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1.7       bentley     1: <!doctype html>
                      2: <html lang=en id=release>
                      3: <meta charset=utf-8>
                      4:
1.1       beck        5: <title>OpenBSD 6.6</title>
                      6: <meta name="description" content="OpenBSD 6.6">
                      7: <meta name="viewport" content="width=device-width, initial-scale=1">
                      8: <link rel="stylesheet" type="text/css" href="openbsd.css">
                      9: <link rel="canonical" href="https://www.openbsd.org/66.html">
                     10:
1.7       bentley    11: <h2 id=OpenBSD>
1.1       beck       12: <a href="index.html">
1.7       bentley    13: <i>Open</i><b>BSD</b></a>
                     14: 6.6
1.1       beck       15: </h2>
                     16:
1.7       bentley    17: <table>
                     18: <tr>
                     19: <td>
1.21      benno      20: <a href="images/Puffystock.gif"><!-- XXX -->
                     21: <img alt="XXX" width="227" height="343" src="images/Puffystock-s.gif"></a>
1.7       bentley    22: <td>
1.1       beck       23: Released XXX, 2019<br>
                     24: Copyright 1997-2019, Theo de Raadt.<br>
                     25: <br>
                     26: <br>
1.21      benno      27: Artwork by XXX Y Z.<!-- XXX -->
1.1       beck       28: <br>
                     29: <ul>
                     30: <li>See the information on <a href="ftp.html">the FTP page</a> for
                     31:     a list of mirror machines.
1.7       bentley    32: <li>Go to the <code class=reldir>pub/OpenBSD/6.6/</code> directory on
1.1       beck       33:     one of the mirror sites.
                     34: <li>Have a look at <a href="errata66.html">the 6.6 errata page</a> for a list
                     35:     of bugs and workarounds.
                     36: <li>See a <a href="plus66.html">detailed log of changes</a> between the
                     37:     6.5 and 6.6 releases.
                     38: <p>
                     39: <li><a href="https://man.openbsd.org/signify.1">signify(1)</a>
                     40:     pubkeys for this release:<p>
                     41:
1.7       bentley    42: <table class=signify>
                     43: <tr><td>
                     44: openbsd-66-base.pub:
1.1       beck       45: <td>
                     46: <a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/openbsd-66-base.pub">
1.21      benno      47: RWSvK/c+cFe24BIalifKnqoqdvLlXfeZ9MIj3MINndNeKgyYw5PpcWGn</a>
1.7       bentley    48: <tr><td>
1.1       beck       49: openbsd-66-fw.pub:
1.7       bentley    50: <td>
1.21      benno      51: RWSKyzM3wogTrgHkO88MnRiK/yuu8xy2OeIqhnP/uGL/j2IF4I5djMIM
1.7       bentley    52: <tr><td>
1.1       beck       53: openbsd-66-pkg.pub:
1.7       bentley    54: <td>
1.21      benno      55: RWSS4lqHZ5ayOFMBPj3leAkE9tCsSWG9OxD6MmAIS5Y3H3tD6F4vP/eF
1.7       bentley    56: <tr><td>
1.1       beck       57: openbsd-66-syspatch.pub:
1.7       bentley    58: <td>
1.21      benno      59: RWRQMmZg6mMlSTfHsJH9czeLAvf9e+ViLvkQ4id4dxaQqWU3aX9Cl/W1
1.1       beck       60: </table>
1.7       bentley    61: </ul>
1.1       beck       62: <p>
                     63: All applicable copyrights and credits are in the src.tar.gz,
                     64: sys.tar.gz, xenocara.tar.gz, ports.tar.gz files, or in the
1.9       deraadt    65: files fetched via <code>ports.tar.gz</code>.
1.7       bentley    66: </table>
1.1       beck       67:
                     68: <hr>
                     69:
1.7       bentley    70: <section id=new>
                     71: <h3>What's New</h3>
                     72: <p>
1.1       beck       73: This is a partial list of new features and systems included in OpenBSD 6.6.
                     74: For a comprehensive list, see the <a href="plus66.html">changelog</a> leading
                     75: to 6.6.
                     76:
                     77: <ul>
                     78:
1.59      fcambus    79: <li>General improvements and bugfixes:
1.21      benno      80:   <ul>
                     81:     <li>Fixed support for amd64 machines with greater than 1023GB
                     82:       physical memory.
                     83:     <li><a href="https://man.openbsd.org/drm.4">drm(4)</a> updates.
1.31      brynet     84:     <li>The octeon platform is now using
                     85:       <a href="https://man.openbsd.org/clang-local.1">clang(1)</a>
                     86:       as the base system compiler.
                     87:     <li>The powerpc architecture is now provided with
1.21      benno      88:       <a href="https://man.openbsd.org/clang.1">clang(1)</a>, in
1.42      benno      89:       addition to aarch64, amd64, armv7, i386, mips64el, sparc64.
1.21      benno      90:     <li>Disabled <a href="https://man.openbsd.org/gcc.1">gcc</a> in
1.34      fcambus    91:       base on armv7 and i386.
1.21      benno      92:     <li>Prevented <a href="https://man.openbsd.org/dhclient.8">dhclient(8)</a>
                     93:       from repeatedly obtaining a new lease when the mtu is given in a
                     94:       lease.
                     95:     <li>Prevented more than one thread from opening a
                     96:       <a href="https://man.openbsd.org/wscons.4">wscons(4)</a> device in
                     97:       read/write mode.
                     98:     <li>Allowed non-root users to become owner of the
                     99:       <a href="https://man.openbsd.org/drm.4">drm(4)</a> device when they are
                    100:       the first to open it.
                    101:     <li>Added regular expression support for the format search, match
                    102:       and substitute modifiers in
                    103:       <a href="https://man.openbsd.org/tmux.1">tmux(1)</a>.
                    104:     <li>Added a -v flag to source-file in
                    105:       <a href="https://man.openbsd.org/tmux.1">tmux(1)</a> to show the commands
                    106:       and line numbers.
                    107:     <li>Added simple menus usable with mouse or keyboard in
                    108:       <a href="https://man.openbsd.org/tmux.1">tmux(1)</a>.
                    109:       Introduced the command "display-menu" to show a menu bound to
                    110:       the mouse on status line by default, and added menus in tree,
1.23      fcambus   111:       client and buffer modes.
1.21      benno     112:     <li>Changed the behavior of swap-window -d in
                    113:       <a href="https://man.openbsd.org/tmux.1">tmux(1)</a> to match
                    114:       swap-pane.
                    115:     <li>Allow panes to be empty in
                    116:       <a href="https://man.openbsd.org/tmux.1">tmux(1)</a>, and
                    117:       enabling output to be piped to them with split-window or
                    118:       display-message -I.
                    119:     <li>Adjusted <a href="https://man.openbsd.org/tmux.1">tmux(1)</a>
                    120:       to automatically scroll when dragging to create a selection with
                    121:       the mouse when the cursor reaches the top or bottom line.
                    122:     <li>Fixed a <a href="https://man.openbsd.org/tmux.1">tmux(1)</a>
                    123:       crash when killing the current window, and other bugfixes.
                    124:   </ul>
                    125:
1.57      deraadt   126: <li>SMP-Improvements, System call unlocking:
1.21      benno     127:   <ul>
                    128:     <li>Unlocked <a href="https://man.openbsd.org/getrlimit.2">getrlimit(2)</a>
                    129:       and <a href="https://man.openbsd.org/setrlimit.2">setrlimit(2)</a>
1.34      fcambus   130:       syscalls.
1.21      benno     131:     <li>Unlocked <a href="https://man.openbsd.org/read.2">read(2)</a> and
                    132:       <a href="https://man.openbsd.org/write.2">write(2)</a> syscalls.
                    133:     <li>Removed the KERNEL_LOCK from
                    134:       the <a href="https://man.openbsd.org/bridge.4">bridge(4)</a>
1.23      fcambus   135:       output fast-path.
1.21      benno     136:     <li>Made resource limit access MP-safe.
1.37      anton     137:     <li>Made
                    138:       <a href="https://man.openbsd.org/file.9">file(9)</a>
                    139:       offset access MP-safe.
1.21      benno     140:   </ul>
                    141:
1.1       beck      142: <li>Improved hardware support, including:
1.21      benno     143:   <ul>
                    144:     <li>Implemented Linux compatibility
                    145:       <a href="https://man.openbsd.org/acpi.4">acpi(4)</a>
                    146:       interfaces and enabled the ACPI support code in
                    147:       <a href="https://man.openbsd.org/radeon.4">radeon(4)</a> and
                    148:       <a href="https://man.openbsd.org/amdgpu.4">amdgpu(4)</a>.
                    149:     <li>Implemented backlight control for
                    150:       <a href="https://man.openbsd.org/amdgpu.4">amdgpu(4)</a>, allowing setting
                    151:       of the backlight using
                    152:       <a href="https://man.openbsd.org/wsconsctl.8">wsconsctl(8)</a>.
1.62      jcs       153:     <li>Both sets of speakers work by default on the ThinkPad X1C7.
1.21      benno     154:     <li>Added <a href="https://man.openbsd.org/amdgpu.4">amdgpu(4)</a>, an AMD
1.25      jsg       155:       Radeon GPU video driver.
1.21      benno     156:     <li>Added TSC synchronization for multiprocessor machines and re-enabled TSC
                    157:       as the default amd64 time source.
1.62      jcs       158:     <li>Added support for Realtek ALC285 in
1.21      benno     159:       <a href="https://man.openbsd.org/azalia.4">azalia(4)</a>.
                    160:     <li>Added <a href="https://man.openbsd.org/uvideo.4">uvideo(4)</a> support
                    161:       for the KSMedia 8-bit IR format and for dual functions on integrated USB
                    162:       cameras.
1.41      solene    163:     <li>Added the <a href="https://man.openbsd.org/aplgpio.4">aplgpio(4)</a>
1.45      fcambus   164:       driver for the GPIO controllers on Intel's Apollo Lake SoC.
1.21      benno     165:     <li>Implemented MSI-X support on sparc64.
                    166:     <li>Skipped PCI host bridges and devices not present with
                    167:       <a href="https://man.openbsd.org/acpi.1">acpi(1)</a> when establishing
                    168:       the mapping between ACPI device nodes and PCI devices.
                    169:     <li>Added the <a href="https://man.openbsd.org/ukspan.4">ukspan(4)</a>
                    170:       driver for the Keyspan USA19HS USB serial adapter.
1.43      jmatthew  171:     <li>Improved support for SAS3 controllers, made device enumeration during
                    172:       boot more reliable, and enabled 64bit DMA for io in
1.21      benno     173:       <a href="https://man.openbsd.org/mpii.4">mpii(4)</a>.
                    174:     <li>Fixed MSI/MSI-X on arm64 machines with
                    175:       <a href="https://man.openbsd.org/agintc.4">agintc(4)</a>.
                    176:     <li>Added MSI-X support in
                    177:       <a href="https://man.openbsd.org/acpipci.4">acpipci(4)</a>, pciecam,
                    178:       <a href="https://man.openbsd.org/dwpcie.4">dwpcie(4)</a> and
                    179:       <a href="https://man.openbsd.org/rkpcie.4">rkpcie(4)</a>.
                    180:     <li>Improved support for type4 devices in the
                    181:       <a href="https://man.openbsd.org/ubcmtp.4">ubcmtp(4)</a> multi-touch
                    182:       trackpad driver.
                    183:     <li>Support for <a href="https://man.openbsd.org/virtio.4">virtio(4)</a> 1.0
                    184:       specification for PCI devices.
                    185:     <li>Improved support for the AR9271 chipset
                    186:       in <a href="https://man.openbsd.org/athn.4">athn(4)</a> .
1.58      stsp      187:     <li>Repaired support for <a href="https://man.openbsd.org/athn.4">athn(4)</a>
                    188:       9280 1T2R devices (broken since OpenBSD 6.5).
1.62      jcs       189:     <li>Added support for the trackpad and trackpoint of the Dell Precision 7520
                    190:       laptop.
                    191:     <li>Added the Colemak keyboard layout.
1.21      benno     192:     <li>New <a href="https://man.openbsd.org/fusbtc.4">fusbtc(4)</a>
                    193:       driver for the Fairchild FUSB302 USB Type-C controller.
                    194:     <li>Added a fallback to
                    195:       <a href="https://man.openbsd.org/ehci.4">ehci(4)</a>
                    196:       which enables the USB ports on the RockPro64.
                    197:     <li>Added support for more Intel 300 Series PCH devices to
                    198:       <a href="https://man.openbsd.org/ichiic.4">ichiic(4)</a>.
                    199:     <li>Added <a href="https://man.openbsd.org/mcx.4">mcx(4)</a> driver for
1.34      fcambus   200:       Mellanox ConnectX-4 (and later) Ethernet controllers.
1.21      benno     201:     <li>Added support for the cryptographic coprocessor found on newer
                    202:       AMD Ryzen CPUs/APUs.
                    203:     <li>Improved the <a href="https://man.openbsd.org/envy.4">envy(4)</a> codec
                    204:       API and used it on ESI Juli@ cards.
                    205:     <li>Enabled EnvyHT-specific sample rates (above 96kHz) on the host
                    206:       controller for <a href="https://man.openbsd.org/envy.4">envy(4)</a>
                    207:       devices.
                    208:     <li>Added support for the USB serial adapter found in Juniper SRX 300 to
                    209:       <a href="https://man.openbsd.org/uslcom.4">uslcom(4)</a>.
                    210:     <li>Updated shared drm code,
                    211:       <a href="https://man.openbsd.org/inteldrm.4">inteldrm(4)</a>
                    212:       and <a href="https://man.openbsd.org/radeondrm.4">radeondrm(4)</a>
1.50      jsg       213:       to linux 4.19.78. This adds support for Intel Broxton/Apollo
1.25      jsg       214:       Lake, Amber Lake, Gemini Lake, Coffee Lake, Whiskey Lake,
1.34      fcambus   215:       and Comet Lake hardware.
1.21      benno     216:     <li>Made <a href="https://man.openbsd.org/startx.1">startx(1)</a> and
                    217:       <a href="https://man.openbsd.org/xinit.1">xinit(1)</a> work again on
                    218:       modern systems using
                    219:       <a href="https://man.openbsd.org/inteldrm.4">inteldrm(4)</a>,
                    220:       <a href="https://man.openbsd.org/radeondrm.4">radeondrm(4)</a>
                    221:       and <a href="https://man.openbsd.org/amdgpu.4">amdgpu(4)</a>.
                    222:     <li>Added <a href="https://man.openbsd.org/mcprtc.4">mcprtc(4)</a>, a driver
                    223:       for the Microchip MCP79400 RTC and similar.
                    224:     <li>Added I2C clock gates to <a href="https://man.openbsd.org/mvclock.4">
                    225:        mvclock(4)</a>.
1.40      jmatthew  226:     <li>Added support for MSI-X to <a href="https://man.openbsd.org/bnxt.4">
1.21      benno     227:        bnxt(4)</a>.
                    228:     <li>Added <a href="https://man.openbsd.org/octpip.4">octpip(4)</a>, a driver
1.34      fcambus   229:       for the Octeon packet input processing unit.
1.21      benno     230:     <li>Added the <a href="https://man.openbsd.org/octiic.4">octiic(4)</a>
                    231:       driver for OCTEON two-wire serial interfaces.
                    232:     <li>Enabled <a href="https://man.openbsd.org/nvme.4">nvme(4)</a> on octeon.
                    233:     <li>Added <a href="https://man.openbsd.org/octpcie.4">octpcie(4)</a>, a
                    234:       driver for the PCIe controller found on OCTEON II and OCTEON III.
                    235:     <li>Fixed random kernel hangs on
                    236:       some <a href="https://www.openbsd.org/sparc64.html">sparc64</a>
                    237:       machines by blocking interrupts while sending an IPI on sunv4
                    238:       (as on sun4u).
1.40      jmatthew  239:     <li><a href="https://man.openbsd.org/ure.4">ure(4)</a> now supports
1.62      jcs       240:       RTL8153B devices, adding support for Ethernet on Lenovo USB-C docks.
1.51      brynet    241:     <li>Added new <a href="http://man.openbsd.org/ksmn.4">ksmn(4)</a> driver
                    242:       for temperature sensor on AMD Family 17h CPUs.
1.58      stsp      243:     <li>Explicitly disable BCM4331 wifi chips present in 2011-2012 Apple Mac systems.
                    244:       Fixes an interrupt storm that consumes about 50% of CPU0 on affected machines.
1.21      benno     245:   </ul>
                    246:
                    247: <li>Improved <a href="https://www.openbsd.org/arm64.html">arm64</a> hardware
                    248:   support, including:
1.23      fcambus   249:   <ul>
1.21      benno     250:     <li>Added support for Ampere eMAG CPU based systems.
                    251:     <li>Added support to <a href="https://man.openbsd.org/amlclock.4">amlclock(4)</a>
                    252:       for obtaining CPU clock frequency.
                    253:     <li>Enabled <a href="https://man.openbsd.org/amlmmc.4">amlmmc(4)</a>, a
                    254:       driver for the SD/MMC controller found on various Amlogic SoCs.
                    255:     <li>Implemented setting the CPU clock for Allwinner A64 SoCs in
                    256:       <a href="https://man.openbsd.org/sxiccmu.4">sxiccmu(4)</a>.
                    257:     <li>Added <a href="https://man.openbsd.org/amldwusb.4">amldwusb(4)</a>,
                    258:       <a href="https://man.openbsd.org/amlusbphy.4">amlusbphy(4)</a> and
                    259:       <a href="https://man.openbsd.org/amlpciephy.4">amlpciephy(4)</a>, drivers
                    260:       for the USB controller and PHYs on the Amlogic G12A/B SoCs.
                    261:     <li>Added <a href="https://man.openbsd.org/imxtmu.4">imxtmu(4)</a>, a driver
1.23      fcambus   262:       to support the temperature sensors on i.MX8M SoCs.
1.21      benno     263:     <li>Added <a href="https://man.openbsd.org/amlrng.4">amlrng(4)</a>, a simple
                    264:       random number generator driver for Amlogic SoCs.
                    265:     <li>Added <a href="https://man.openbsd.org/amclock.4">amclock(4)</a>,
                    266:       a driver for the Amlogic SoC clocks.
                    267:     <li>Added <a href="https://man.openbsd.org/amluart.4">amluart(4)</a>, a
                    268:       driver for the UARTs found on various Amlogic SoCs.
                    269:     <li>Added support for the SMBus System Interfaces (SSIF) to
1.34      fcambus   270:       <a href="https://man.openbsd.org/ipmi.4">ipmi(4)</a>.
1.21      benno     271:     <li>PXE booting using U-Boot works now.
                    272:     <li>Added clock support
                    273:       to <a href="https://man.openbsd.org/sxisyscon.4">sxisyscon(4)</a>,
                    274:       a driver for the system controller found on various Allwinner
                    275:       SoCs.
                    276:     <li>Implemented <a href="https://man.openbsd.org/smbios.4">smbios(4)</a>
                    277:       support on arm64.
                    278:     <li>Added <a href="https://man.openbsd.org/ucrcom.4">ucrcom(4)</a>, a driver
                    279:       for the serial console of chromebooks.
                    280:     <li>Enabled <a href="https://man.openbsd.org/mvmdio.4">mvmdio(4)</a> and
                    281:       <a href="https://man.openbsd.org/mvneta.4">mvneta(4)</a> on arm64.
                    282:     <li>Added <a href="https://man.openbsd.org/pinctrl.4">pinctrl(4)</a>
                    283:       support for 'pinconf-single' devices and support for
1.23      fcambus   284:       bias and drive-strength properties, needed for HiSilicon SoCs.
1.32      fcambus   285:     <li>Added <a href="https://man.openbsd.org/mvdog.4">mvdog(4)</a>, a driver
1.21      benno     286:       to support the watchdog on the Armada 3700 SoC.
                    287:     <li>Added support for the Allwinner H6 to
                    288:       <a href="https://man.openbsd.org/sxipio.4">sxipio(4)</a> and
                    289:       <a href="https://man.openbsd.org/sxiccmu.4">sxiccmu(4)</a>.
                    290:     <li>Added <a href="https://man.openbsd.org/mviic.4">mviic(4)</a>, a driver
                    291:       to support the I2C controller on the Armada 3700 SoC.
                    292:     <li>Added <a href="https://man.openbsd.org/mvuart.4">mvuart(4)</a> to
1.34      fcambus   293:       support the Armada 3720's serial console.
1.21      benno     294:     <li>Added support for the Armada 3720 clocks to
1.33      fcambus   295:       <a href="https://man.openbsd.org/mvclock.4">mvclock(4)</a>.
1.21      benno     296:     <li>Added support for the Armada 3720 pinctrl controller to
                    297:       <a href="https://man.openbsd.org/mvpinctrl.4">mvpinctrl(4)</a>. This
                    298:       controller also includes GPIO controller functionality.
                    299:     <li>Added the RK3328 and RK3399 GMAC clocks to
1.34      fcambus   300:       <a href="https://man.openbsd.org/rkclock.4">rkclock(4)</a>.
1.21      benno     301:     <li>Increased MAXCPUs to 32 in arm64, allowing use of all cores on the Ampere
                    302:       eMAG.
                    303:     <li>Added support for the Cortex-A65 CPU.
                    304:     <li>Implemented interrupt controller functionality in
                    305:       <a href="https://man.openbsd.org/rkgpio.4">rkgpio(4)</a>,
                    306:       allowing use of the
                    307:       <a href="https://man.openbsd.org/fusbtc.4">fusbtc(4)</a>
                    308:       interrupt on the RockPro64.
                    309:   </ul>
1.1       beck      310:
                    311: <li>IEEE 802.11 wireless stack improvements:
                    312:   <ul>
1.60      stsp      313:     <li>Repaired the
                    314:       <a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>
                    315:       'nwflag' command (broken since OpenBSD 6.4).
1.58      stsp      316:     <li>Added a new 'stayauth' nwflag which can be set to ignore deauth frames.
                    317:       This is useful when deauth frames are being spoofed by an attacker.
1.60      stsp      318:     <li>Repaired the
                    319:       <a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>
                    320:       'mode' command to properly force a wireless interface into 11a/b/g/n mode.
1.58      stsp      321:     <li>Made 11n Tx rate selection more sensitive to transmission failures.
                    322:     <li>Fixed automatic use of HT protection in 11n hostap mode.
                    323:     <li>Fixed WPA APs occasionally appearing as non-WPA APs during AP selection.
                    324:     <li>Fixed some eligible APs being ignored during AP selection after a
                    325:       roaming failure.
                    326:     <li>Added support for 802.11n Tx aggregation to net80211 and the
                    327:       <a href="https://man.openbsd.org/iwn.4">iwn(4)</a> driver.
1.21      benno     328:     <li>Made net80211 expose reasons for association failures to have
                    329:       <a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>
                    330:       display them in "scan" output and on the
                    331:       <a href="https://man.openbsd.org/ieee80211.9">ieee80211(9)</a>
1.34      fcambus   332:       status line.
1.58      stsp      333:     <li>Made all wireless drivers submit a batch of received packets to the
                    334:       network stack during one interrupt if possible, rather than submitting
                    335:       each packet individually. Prevents packet loss under high load due to
                    336:       backpressure from the network stack.
1.1       beck      337:   </ul>
                    338:
                    339: <li>Generic network stack improvements:
1.21      benno     340:   <ul>
                    341:     <li>Enabled TCP and UDP checksum offloading by default for
                    342:       <a href="https://man.openbsd.org/ix.4">ix(4)</a>.
                    343:     <li>Added <a href="https://man.openbsd.org/tpmr.4">tpmr(4)</a>, a 802.1Q
                    344:       two-port MAC relay implementation.
1.38      fcambus   345:     <li>Added <a href="https://man.openbsd.org/iavf.4">iavf(4)</a>, a driver for
1.34      fcambus   346:       Intel SR-IOV Virtual Functions of Intel 700 series Ethernet controllers.
1.21      benno     347:     <li>Added <a href="https://man.openbsd.org/aggr.4">aggr(4)</a>, a
                    348:       dedicated driver to implement 802.1AX link aggregration.
                    349:     <li>Added port protection support
                    350:       to <a href="https://man.openbsd.org/switch.4">switch(4)</a>. Domain
                    351:       membership is checked for unicast, flooded (broadcast) and local
1.34      fcambus   352:       (host-network-bound, e.g. trunk) traffic.
1.21      benno     353:     <li>Disabled <a href="https://man.openbsd.org/mobileip.4">mobileip(4)</a>.
                    354:     <li>Added support
                    355:       to <a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>
                    356:       for getting and setting rxprio, finishing support for RFC
                    357:       2983. Implemented configuring rxprio
                    358:       in <a href="https://man.openbsd.org/vlan.4">vlan(4)</a>,
                    359:       <a href="https://man.openbsd.org/gre.4">gre(4)</a>,
                    360:       <a href="https://man.openbsd.org/mpw.4">mpw(4)</a>,
                    361:       <a href="https://man.openbsd.org/mpe.4">mpe(4)</a>,
                    362:       <a href="https://man.openbsd.org/mpip.4">mpip(4)</a>,
                    363:       <a href="https://man.openbsd.org/etherip.4">etherip(4)</a>
1.23      fcambus   364:       and <a href="https://man.openbsd.org/bpe.4">bpe(4)</a>.
1.45      fcambus   365:     <li>Implemented Tx mitigation by calling the hardware transmit
1.21      benno     366:       routine per several packets rather than for individual
                    367:       packets. Defers calls to the transmit routine to a network taskq,
                    368:       or until a backlog of packets has built up.
                    369:     <li>Stopped using <a href="https://man.openbsd.org/splnet.9">splnet(9)</a> when
                    370:        running the network stack now
                    371:        that it is using the NET_LOCK for protection, reducing latency spikes.
1.29      deraadt   372:     <li>Added support for reading SFPs to some ethernet cards.
1.21      benno     373:   </ul>
1.1       beck      374:
                    375: <li>Installer improvements:
1.21      benno     376:   <ul>
                    377:     <li>Allowed quoted SSIDs in the installer, rather than ignoring
                    378:       those containing whitespace.
                    379:     <li>Introduced <a href="https://man.openbsd.org/sysupgrade.8">sysupgrade(8)</a>
1.44      deraadt   380:       that can be used to upgrade OpenBSD unattended.
                    381:     <li><a href="errata65.html#p012_sysupgrade">A syspatch was provided which adds</a>
                    382:        <a href="https://man.openbsd.org/sysupgrade.8">sysupgrade(8)</a>
                    383:         to 6.5, so unattended upgrades to 6.6 can be
                    384:        performed on amd64/arm64/i386 with <b># syspatch &amp;&amp; sysupgrade</b>.
1.29      deraadt   385:     <li>Created an <a href="https://www.openbsd.org/octeon.html">octeon</a>
                    386:       bootloader which is a modified kernel. To use this bootloader, the
                    387:       firmware must be configured to load file "boot" instead of "bsd".
1.21      benno     388:     <li>Included <a href="https://man.openbsd.org/mount_nfs.8">mount_nfs(8)</a>
                    389:       on the amd64 CD ramdisk.
                    390:     <li>Added <a href="https://man.openbsd.org/tee.1">tee(1)</a> to the ramdisk, and
                    391:        display a moving progress bar
                    392:        during auto upgrade/install.
                    393:     <li>Repaired and improved v6 default route selection, fixing autoinstalls.
                    394:     <li>Added <a href="https://man.openbsd.org/sysupgrade.8">sysupgrade(8)</a>
                    395:       support to the sparc64 bootloader.
1.45      fcambus   396:     <li>The DHCP configuration is now preserved when restarting an install.
1.21      benno     397:     <li>The installer now remembers 'autoconf' when restarting an install.
                    398:     <li>Stopped prompting for disks that do not contain a root
                    399:       partition during upgrades. This defaults to the correct disk
                    400:       when full disk encryption is in use, and will be useful for
                    401:       future unattended upgrades.
                    402:   </ul>
1.1       beck      403:
                    404: <li>Security improvements:
                    405:   <ul>
1.21      benno     406:     <li><a href="https://man.openbsd.org/unveil.2">unveil(2)</a> is
1.28      deraadt   407:       now used in 77 userland programs to redact filesystem access.
1.21      benno     408:     <li>Various changes
                    409:       in <a href="https://man.openbsd.org/unveil.2">unveil(2)</a>
1.23      fcambus   410:       to improve application behavior when encountering hidden
1.21      benno     411:       filesystem paths.
1.28      deraadt   412:     <li><a href="https://man.openbsd.org/ps.1">ps(1)</a> can show which
                    413:       processes have called <a href="https://man.openbsd.org/unveil.2">unveil(2)</a>
                    414:       with the <b>u</b> and <b>U</b> flags in STATE field.
                    415:     <li><a href="https://man.openbsd.org/ps.1">ps(1)</a> can show the list
                    416:       of <a href="https://man.openbsd.org/pledge.2">pledge(2)</a> options
                    417:       processes use with the <b>-o pledge</b> option.
1.22      benno     418:     <li>Further and improved mitigations against Spectre side-channel
1.21      benno     419:       vulnerability in Intel CPUs built since 2012.
                    420:     <li>Mitigations for Intel's Microarchitectural Data Sampling
                    421:       vulnerability, using the new CPU VERW behavior if available or
                    422:       by using the proper sequence from Intel's "Deep Dive" doc in the
                    423:       return-to-userspace and enter-VMM-guest
                    424:       paths. Updated <a href="https://man.openbsd.org/vmm.4">vmm(4)</a>
                    425:       to pass through the MSR bits so that guests can apply the
                    426:       optimal mitigation.
                    427:     <li>Rewrote <a href="https://man.openbsd.org/doas.1">doas(1)</a>
                    428:       environment inheritance not to inherit, and instead reset to the
                    429:       target user's values by default.
1.28      deraadt   430:     <li>Prepare
1.41      solene    431:       the <a href="https://www.openbsd.org/amd64.html">amd64</a> BIOS
1.28      deraadt   432:       bootloader for loading the kernel at a random virtual address (future work).
1.21      benno     433:     <li>Introduced
                    434:       <a href="https://man.openbsd.org/malloc_conceal.3">malloc_conceal(3)</a>
                    435:       and <a href="https://man.openbsd.org/calloc_conceal.3">calloc_conceal(3)</a>,
                    436:       which return memory in pages marked MAP_CONCEAL and call
                    437:       <a href="https://man.openbsd.org/freezero.3">freezero(3)</a>
                    438:       on <a href="https://man.openbsd.org/free.3">free(3)</a>.
                    439:     <li>Make 'systat pf' not require root permissions
                    440:     (<a href="https://man.openbsd.org/systat.8">systat(8)</a>).
                    441:     <li>Added support for the EFI Random Number Generator Protocol,
                    442:       using it to XOR random data into the buffer we feed the kernel for
                    443:       <a href="https://www.openbsd.org/amd64.html">amd64</a>.
                    444:     <li>Added information about system call memory write protection
1.23      fcambus   445:       and stack mapping violations to system
1.21      benno     446:       accounting. Now <a href="https://man.openbsd.org/daily.8">daily(8)</a>
                    447:       will print a list of affected processes
1.41      solene    448:       and <a href="https://man.openbsd.org/lastcomm.1">lastcomm(1)</a>
1.21      benno     449:       will flag violations with 'M'.
1.1       beck      450:   </ul>
                    451:
                    452: <li>Routing daemons and other userland network improvements:
1.21      benno     453:   <ul>
                    454:     <li>The <a href="https://man.openbsd.org/ntpd.8">ntpd(8)</a>
                    455:       daemon now gets and sets the clock in a secure way when booting
                    456:       even when a battery-backed clock is absent.
                    457:     <li><a href="https://man.openbsd.org/slaacd.8">slaacd(8)</a> now
                    458:       removes IPv6 addresses when it detects a link-state change but
                    459:       no new router advertisement is received.
                    460:     <li><a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>
1.29      deraadt   461:         now reports SFP, SFP+ and QSFP module information when using
                    462:        the <b>sff</b> option.
1.21      benno     463:     <li>Imported <a href="https://man.openbsd.org/snmp.1">snmp(1)</a>,
1.45      fcambus   464:       a new SNMP client which aims to be netsnmp-compatible for
1.21      benno     465:       supported features, and
                    466:       removed <a href="https://man.openbsd.org/snmpctl.8">snmpctl(8)</a>.
                    467:     <li>Improvements
1.45      fcambus   468:       in <a href="https://man.openbsd.org/ntpd.8">ntpd(8)</a> DNS
1.59      fcambus   469:       resolving and constraints checking, especially during
1.45      fcambus   470:       startup. Unreliable NTP peers are removed from the pool and
                    471:       DNS resolving is repeated to add replacements.
1.21      benno     472:     <li>Changed the <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>
                    473:     Adj-RIB-Out to a per-peer set of RB trees, improving speed.
                    474:     <li>Rewrote <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>
                    475:       community matching and handling code and improved performance
                    476:       for setups using many communities.
                    477:     <li>Checked the type of a network statement when looking for
                    478:       duplicates
                    479:       in <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>.  This
                    480:       fixes added network 0.0.0.0/0 after 'network inet static'.
                    481:     <li>Made improvements
                    482:     to <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a> speed when
                    483:     configuring many peers.
                    484:     <li>Implemented <a href="https://man.openbsd.org/bgpctl.8">bgpctl(8)</a>
                    485:       'show mrt neighbors', to print the neighbor table of MRT
                    486:       TABLE_DUMP_V2 dumps.
                    487:     <li>Moved <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>
                    488:       pfkey socket to the parent process. The refreshing of the keys
                    489:       for MD5 and IPSEC is done whenever the session state changes to
                    490:       IDLE or ACTIVE, which should behave better when reloading
                    491:       configs with auth changes.
                    492:     <li>In <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>, fixed
                    493:       reloading of network statements that have no fixed prefix
                    494:       specification.
                    495:     <li>Extended the maximum size of
                    496:       the <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>
                    497:       shutdown communication message to 255 bytes.
                    498:     <li>Improvements
                    499:       in <a href="https://man.openbsd.org/pfctl.8">pfctl(8)</a>, to
                    500:       always check for namespace collisions on table
                    501:       commands. Introduced 'pfctl -FR' to reset pfctl(8) settings to
                    502:       defaults.
                    503:     <li>Imported Kristaps Dzonsons' RPKI
                    504:       validator, <a href="https://man.openbsd.org/rpki-client.8">rpki-client(8)</a>.
                    505:     <li> <a href="https://man.openbsd.org/relayd.8">relayd(8)</a> now supports
                    506:       binary protocol health checking. See
                    507:       <a href="https://man.openbsd.org/relayd.conf.5">relayd.conf(5)</a>.
                    508:     <li>Added support for OCSP stapling
                    509:       to <a href="https://man.openbsd.org/relayd.8">relayd(8)</a>.
                    510:     <li>Added <a href="https://man.openbsd.org/relayd.8">relayd(8)</a>
                    511:       support for SNI with new 'tls keypair' option to load additional
                    512:       certificates.
                    513:     <li>Added support for 'from/to address[/prefix]'
                    514:       in <a href="https://man.openbsd.org/.8">relayd(8)</a> filter rules.
                    515:     <li>Implemented RFC 8555 "Automatic Certificate Management
                    516:       Environment (ACME)" to
                    517:       enable <a href="https://man.openbsd.org/acme-client.1">acme-client(1)</a>
                    518:       to communicate with the v02 Let's Encrypt API. Read the
                    519:       <a href="faq/upgrade66.html">upgrade guide</a> for more information.
                    520:     <li><a href="https://man.openbsd.org/tcpdump.8">tcpdump(8)</a>
                    521:       support for '-T erspan' and
                    522:       arbitrary <a href="https://man.openbsd.org/gre.4">gre(4)</a>
                    523:       protocols.
                    524:     <li>Allowed specifying area by number as well as id
                    525:       in <a href="https://man.openbsd.org/ospf6d.8">ospf6d(8)</a>.
                    526:     <li><a href="https://man.openbsd.org/ospfctl.8">ospfctl(8)</a> now
                    527:       accepts both address and number format for 'ospfctl show
                    528:       database area XXX'.
                    529:     <li><a href="https://man.openbsd.org/ospfd.8">ospfd(8)</a> reload
                    530:       improvements.
                    531:     <li>Added a check
                    532:       to <a href="https://man.openbsd.org/ospfd.8">ospfd(8)</a>
                    533:       and <a href="https://man.openbsd.org/ospf6d.8">ospf6d(8)</a>
                    534:       that any "depend on" interfaces are in the same rdomain.
                    535:     <li>Make 'passive' (announce a network configured on an interface
                    536:       as a stub network) work with P2P interfaces
                    537:       in <a href="https://man.openbsd.org/ospfd.8">ospfd(8)</a>.
                    538:     <li>Shutdown the service port when behind a captive portal
                    539:       with <a href="https://man.openbsd.org/unwind.8">unwind(8)</a>,
                    540:       allowing bypass of captive portals that correctly answer SOA
                    541:       queries for the root zone and return NXDOMAIN for the captive
                    542:       portal redirect domain if edns0 is present.
                    543:     <li>Implemented DNS block lists
                    544:     in <a href="https://man.openbsd.org/unwind.8">unwind(8)</a>.
                    545:     <li>Added support for IKEv2 Message Fragmentation (RFC 7383)
                    546:     to <a href="https://man.openbsd.org/iked.8">iked(8)</a>.
                    547:     <li>Enabled switching between wireless and wired interfaces in
                    548:       dhclient(8), setting the default route with the interface
                    549:       address and allowing two default routes in the routing table. A
1.23      fcambus   550:       wired interface will be preferred when connected.
1.21      benno     551:     <li>Added consistent use of 'ifconfig $_if [-inet| -inet6]' to clear existing
                    552:       configurations completely after restarting an install.
                    553:     <li>Added 'forwarded' log format extending the 'combined' log
                    554:     format in <a href="https://man.openbsd.org/httpd.8">httpd(8)</a>.
                    555:   </ul>
1.23      fcambus   556:
                    557: <li>Assorted improvements:
1.1       beck      558:   <ul>
                    559:     <li> The filesystem buffer cache now more aggressively uses memory
                    560:       outside the DMA region, to improve cache performance on amd64
                    561:       machines.
1.5       rob       562:     <li> The BER API previously internal to
1.21      benno     563:       <a href="https://man.openbsd.org/ldap.1">ldap(1)</a>,
                    564:       <a href="https://man.openbsd.org/ldapd.8">ldapd(8)</a>,
                    565:       <a href="https://man.openbsd.org/ypldap.8">ypldap(8)</a>, and
                    566:       <a href="https://man.openbsd.org/snmpd.8">snmpd(8)</a> has been moved into
                    567:       libutil.
                    568:       See <a href="https://man.openbsd.org/ber_read_elements.3">ber_read_elements(3)</a>.
                    569:     <li>Removed the old
                    570:       userland <a href="https://man.openbsd.org/realpath.3">realpath(3)</a>
                    571:       and replaced it with __realpath(2), a kernel
                    572:       implementation. This will prevent
                    573:       calling <a href="https://man.openbsd.org/readlink.2">readlink(2)</a>
                    574:       on every component of a path and improve performance for
                    575:       <a href="https://man.openbsd.org/unveil.2">unveil(2)</a>.
                    576:     <li><a href="https://man.openbsd.org/ld.so.1">ld.so(1)</a> speedups,
                    577:     improving dynamic linker performance for large objects.
                    578:     <li>Modified <a href="https://man.openbsd.org/systat.1">systat(1)</a>
                    579:     to allow the use of 'b' to switch to stats since boot.
1.64    ! schwarze  580:     <li>From <a href="https://man.openbsd.org/perldoc.1">perldoc(1)</a>,
        !           581:       always produce <a href="https://man.openbsd.org/man.7">man(7)</a>
        !           582:       output in UTF-8, which gives better results with our
        !           583:       <a href="https://man.openbsd.org/mandoc.1">mandoc(1)</a>
        !           584:       renderer no matter which <code>LC_CTYPE</code> the user selected.
1.21      benno     585:   </ul>
                    586:
1.56      benno     587: <li>VMM/VMD improvements
1.21      benno     588:   <ul>
                    589:     <li>Added support for 'boot device'
1.37      anton     590:       to <a href="https://man.openbsd.org/vm.conf.5#boot_device">vm.conf(5)</a>
1.21      benno     591:       grammar, the '-B device' counterpart
                    592:       from <a href="https://man.openbsd.org/vmctl.8">vmctl(8)</a>.
                    593:     <li>Emulated kvm pvclock
                    594:       in <a href="https://man.openbsd.org/vmm.4">vmm(4)</a>, compatible
                    595:        with <a href="https://man.openbsd.org/pvclock.4">pvclock(4)</a> in
                    596:          OpenBSD.
                    597:     <li>Enabled reporting of the vm state through use of
                    598:       the <a href="https://man.openbsd.org/vmctl.8">vmctl(8)</a>
                    599:       'status' command.
                    600:     <li>Synced vm state
                    601:       in <a href="https://man.openbsd.org/vmd.8">vmd(8)</a> when
                    602:       (un)pausing a vm to ensure
                    603:       both <a href="https://man.openbsd.org/vmm.4">vmm(4)</a>
                    604:       and <a href="https://man.openbsd.org/vmd.8">vmd(8)</a> processes
                    605:       know the vm is paused.
                    606:     <li>Handled some unhandled instructions for SVM which led
                    607:       to <a href="https://man.openbsd.org/vmm.4">vmm(4)</a> guest
                    608:       termination, as well as RDTSCP and INVLPGA instructions.
                    609:     <li>Modified <a href="https://man.openbsd.org/vmm.4">vmm(4)</a> to
                    610:     flush guest TLB entries if the guest disables paging.
1.1       beck      611:   </ul>
                    612:
                    613: <li>OpenSMTPD 6.6.0
                    614:   <ul>
1.18      gilles    615:     <li>New Features
                    616:       <ul>
                    617:        <li>Introduced support for ECDSA certificates with an ECDSA privsep engine.
1.21      benno     618:        <li>Introduced builtin filters to allow basic filtering of incoming sessions
                    619:          in <a href="https://man.openbsd.org/smtpd.8">smtpd(8)</a>.
                    620:        <li>Introduced option to deliver junk to a Junk folder
                    621:          in <a href="https://man.openbsd.org/mail.maildir.8">mail.maildir(8)</a>.
1.18      gilles    622:       </ul>
                    623:     <li>Bug fixes
                    624:       <ul>
1.21      benno     625:        <li>Fixed the <a href="https://man.openbsd.org/smtp.1">smtp(1)</a> client
                    626:          so it uses correct default port for SMTPS.
                    627:        <li>Fixed an <a href="https://man.openbsd.org/smtpd.8">smtpd(8)</a> crash on
                    628:          excessively large input.
1.18      gilles    629:        <li>Ensured mail rejected by an LMTP server will stay queued rather than bouncing.
                    630:       </ul>
                    631:     <li>Experimental Features
                    632:       <ul>
1.21      benno     633:        <li>Introduced a filters API to allow writing standalone filters
                    634:          for <a href="https://man.openbsd.org/smtpd.8">smtpd(8)</a>,
1.18      gilles    635:          with multiple filters made available in ports.
1.21      benno     636:        <li>Introduced support for proxy-v2 protocol
                    637:          allowing <a href="https://man.openbsd.org/smtpd.8">smtpd(8)</a> to
                    638:          operate behind proxy.
1.18      gilles    639:       </ul>
1.1       beck      640:   </ul>
                    641:
1.61      lteo      642: <li>LibreSSL 3.0.2
1.1       beck      643:   <ul>
                    644:     <li>API and Documentation Enhancements
                    645:     <ul>
1.11      tb        646:       <li>Completed the port of RSA_METHOD accessors from the
1.13      tb        647:           OpenSSL 1.1 API.
1.21      benno     648:       <li>Documented undescribed options and removed unfunctional
                    649:           options description
                    650:           in <a href="https://man.openbsd.org/openssl.1">openssl(1)</a>
                    651:           manual.
1.1       beck      652:     </ul>
                    653:
                    654:     <li>Compatibility Changes
                    655:     <ul>
                    656:     </ul>
                    657:
                    658:     <li>Testing and Proactive Security
                    659:     <ul>
                    660:       <li>
1.2       tb        661:        A plethora of small fixes due to regular oss-fuzz testing.
1.13      tb        662:       <li>
1.21      benno     663:         Various side channels in DSA and ECDSA were addressed.  These
                    664:        are some of the many issues found in an extensive systematic
                    665:        analysis of bignum usage by Samuel Weiser, David Schrammel et
                    666:        al.
1.20      tb        667:       <li>
1.21      benno     668:         Try to compute the cofactor if a nonsensical value was
                    669:        provided for ECC parameters.  Fix from Billy Brumley.
1.1       beck      670:     </ul>
                    671:
                    672:     <li>Internal Improvements
1.21      benno     673:       <ul>
                    674:       </ul>
1.1       beck      675:
                    676:     <li>Portable Improvements
                    677:     <ul>
1.21      benno     678:       <li>Enabled performance optimizations when building with Visual
                    679:        Studio on Windows.
1.55      fcambus   680:       <li>Enabled <a href="https://man.openbsd.org/openssl.1">openssl(1)</a>
                    681:         speed subcommand on Windows platform.
1.1       beck      682:     </ul>
                    683:
                    684:     <li>Bug Fixes
                    685:     <ul>
1.21      benno     686:       <li>Fixed issue where SRTP extension would not be sent by
                    687:        server.
                    688:       <li>Fixed incorrect carry operation in 512 addition for
                    689:        Streebog.
1.55      fcambus   690:       <li>Fixed -modulus option with
                    691:         <a href="https://man.openbsd.org/openssl.1">openssl(1)</a>
                    692:         dsa subcommand.
                    693:       <li>Fixed PVK format output issue with
                    694:         <a href="https://man.openbsd.org/openssl.1">openssl(1)</a>
                    695:         dsa and rsa subcommand.
1.46      tb        696:       <li>Fixed a padding oracle attack in <code>PKCS7_dataDecode()</code>
                    697:         and <code>CMS_decrypt_set1_pkey()</code> (<code>CMS</code>
                    698:         is currently disabled). From Bernd Edlinger.
1.1       beck      699:     </ul>
                    700:   </ul>
                    701:
1.52      benno     702: <li>OpenSSH 8.1
1.1       beck      703:   <ul>
1.21      benno     704:     <li>New Features
                    705:       <ul>
1.52      benno     706:        <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>: Allow %n to be
                    707:          expanded in ProxyCommand strings
                    708:        <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>,
                    709:          <a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>: Allow
                    710:          prepending a list of algorithms to the default set by
                    711:          starting the list with the '^' character, E.g.
                    712:          "HostKeyAlgorithms ^ssh-ed25519"
                    713:        <li><a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>:
                    714:          add an experimental lightweight signature and verification
                    715:          ability.  Signatures may be made using regular ssh keys held
                    716:          on disk or stored in a ssh-agent and verified against an
                    717:          authorized_keys-like list of allowed keys. Signatures embed
                    718:          a namespace that prevents confusion and attacks between
                    719:          different usage domains (e.g. files vs email).
                    720:        <li><a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>:
                    721:          print key comment when extracting public key from a private
                    722:          key.  <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3052'>bz#3052</a>
                    723:        <li><a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>:
                    724:          accept the verbose flag when searching for host keys in
                    725:          known hosts (i.e. "ssh-keygen -vF host") to print the
                    726:          matching host's random-art signature
                    727:          too. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3003'>bz#3003</a>
                    728:        <li>All: support PKCS8 as an optional format for storage of
                    729:          private keys to disk.  The OpenSSH native key format remains
                    730:          the default, but PKCS8 is a superior format to PEM if
                    731:          interoperability with non-OpenSSH software is required, as
                    732:          it may use a less insecure key derivation function than
                    733:          PEM's.
1.21      benno     734:       </ul>
                    735:       <li>Bugfixes
                    736:        <ul>
1.52      benno     737:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>: if a
                    738:            PKCS#11 token returns no keys then try to login and
                    739:            refetch them. Based on patch from Jakub
                    740:            Jelen; <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=2430'>bz#2430</a>
                    741:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>:
                    742:            produce a useful error message if the user's shell is set
                    743:            incorrectly during "match exec"
                    744:            processing. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=2791'>bz#2791</a>
                    745:          <li><a href='https://man.openbsd.org/sftp.1'>sftp(1)</a>:
                    746:            allow the maximum uint32 value for the argument passed to
                    747:            -b which allows better error messages from later
                    748:            validation.
                    749:            <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3050'>bz#3050</a>
                    750:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>:
                    751:            avoid pledge sandbox violations in some combinations of
                    752:            remote forwarding, connection multiplexing and
                    753:            ControlMaster.
                    754:          <li><a href='https://man.openbsd.org/ssh-keyscan.1'>ssh-keyscan(1)</a>:
                    755:            include SHA2-variant RSA key algorithms in KEX proposal;
                    756:            allows ssh-keyscan to harvest keys from servers that
                    757:            disable old SHA1
                    758:            ssh-rsa. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3029'>bz#3029</a>
                    759:          <li><a href='https://man.openbsd.org/sftp.1'>sftp(1)</a>:
                    760:            print explicit "not modified" message if a file was
                    761:            requested for resumed download but was considered already
                    762:            complete.
                    763:            <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=2978'>bz#2978</a>
                    764:          <li><a href='https://man.openbsd.org/sftp.1'>sftp(1)</a>:
                    765:            fix a typo and make &lt;esc>&lt;right> move right to the
                    766:            closest end of a word just like &lt;esc>&lt;left> moves
                    767:            left to the closest beginning of a word.
                    768:          <li><a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>:
                    769:            cap the number of permitopen/permitlisten directives
                    770:            allowed to appear on a single authorized_keys line.
                    771:          <li>All: fix a number of memory leaks (one-off or on exit paths).
                    772:          <li>Regression tests: a number of fixes and improvements,
                    773:            including fixes to the interop tests, adding the ability
                    774:            to run most tests on builds that disable OpenSSL support,
                    775:            better support for running tests under Valgrind and a
                    776:            number of bug-fixes.
                    777:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>,
                    778:            <a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>:
                    779:            check for convtime() refusing to accept times that resolve
                    780:            to LONG_MAX Reported by Kirk Wolf bz2977
                    781:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>:
                    782:            slightly more instructive error message when the user
                    783:            specifies multiple -J options on the command-line. bz3015
                    784:          <li><a href='https://man.openbsd.org/ssh-agent.1'>ssh-agent(1)</a>:
                    785:            process agent requests for RSA certificate private keys
                    786:            using correct signature algorithm when requested. bz3016
                    787:          <li><a href='https://man.openbsd.org/sftp.1'>sftp(1)</a>:
                    788:            check for user@host when parsing sftp target. This allows
                    789:            user@[1.2.3.4] to work without a
                    790:            path.  <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=2999'>bz#2999</a>
                    791:          <li><a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>:
                    792:            enlarge format buffer size for certificate serial number
                    793:            so the log message can record any 64-bit integer without
                    794:            truncation. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3012'>bz#3012</a>
                    795:          <li><a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>:
                    796:            for PermitOpen violations add the remote host and port to
                    797:            be able to more easily ascertain the source of the
                    798:            request. Add the same logging for PermitListen violations
                    799:            which where not previously logged at all.
                    800:          <li><a href='https://man.openbsd.org/scp.1'>scp(1)</a>,
                    801:            <a href='https://man.openbsd.org/sftp.1'>sftp(1)</a>:
                    802:            use the correct POSIX format style for left justification
                    803:            for the transfer progress
                    804:            meter. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3002'>bz#3002</a>
                    805:          <li><a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>
                    806:            when examining a configuration using sshd -T, assume any
                    807:            attribute not provided by -C does not match, which allows
                    808:            it to work when sshd_config contains a Match directive
                    809:            with or without -C.
                    810:            <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=2858'>bz#2858</a>
                    811:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>,
                    812:            <a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>:
                    813:            downgrade PKCS#11 "provider returned no slots" warning
                    814:            from log level error to debug. This is common when
                    815:            attempting to enumerate keys on smartcard readers with no
                    816:            cards plugged
                    817:            in. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3058'>bz#3058</a>
                    818:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>,
                    819:            <a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>:
                    820:            do not unconditionally log in to PKCS#11 tokens. Avoids
                    821:            spurious PIN prompts for keys not selected for
                    822:            authentication
                    823:            in <a href='https://man.openbsd.org/ssh.1'>ssh(1)</a> and
                    824:            when listing public keys available in a token
                    825:            using <a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>.
                    826:            <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3006'>bz#3006</a>
1.21      benno     827:        </ul>
1.1       beck      828:   </ul>
1.57      deraadt   829: <li>Mandoc
1.1       beck      830:   <ul>
1.64    ! schwarze  831:     <li>Slowly start implementing tagging support for
        !           832:       <a href="https://man.openbsd.org/man.7">man(7)</a> pages:
        !           833:       tag alphabetic arguments of <code>.IP</code>, <code>.TP</code>,
        !           834:       and <code>.TQ</code> macros.
        !           835:     <li>In HTML output, wrap text and phrasing elements in paragraphs
        !           836:       unless already contained in flow containers; never put them
        !           837:       directly into sections.  This helps to format paragraphs with
        !           838:       the CSS class selector <code>.Pp</code>.
        !           839:     <li>Implement the <a href="https://man.openbsd.org/roff.7">roff(7)</a>
        !           840:       <code>.break</code> request to break out of a <code>.while</code>
        !           841:       loop.
        !           842:     <li>If messages are shown and output is printed without a pager,
        !           843:       display a heads-up on standard error output at the end because
        !           844:       otherwise, users may easily miss the messages.
        !           845:     <li>Let <code>mandoc.css</code> support
        !           846:       <code>prefers-color-scheme: dark</code>.
        !           847:     <li>For pages lacking a SYNOPSIS, let
        !           848:       <a href="https://man.openbsd.org/man.1">man(1)</a>
        !           849:       show the NAME section.
1.1       beck      850:   </ul>
                    851:
1.7       bentley   852: <li><p>Ports and packages:
1.1       beck      853:     <ul>
                    854:     </ul>
1.7       bentley   855:     <p>Many pre-built packages for each architecture:
1.1       beck      856:     <!-- number of FTP packages minus SHA256, SHA256.sig, index.txt -->
1.7       bentley   857:     <ul style="column-count: 3">
1.1       beck      858:       <li>aarch64:     XXXX
1.63      naddy     859:       <li>amd64:      10736
1.42      benno     860:       <li>armv7:       XXXX
1.63      naddy     861:       <li>i386:       10682
1.1       beck      862:       <li>mips64:      XXXX
                    863:       <li>mips64el:    XXXX
                    864:       <li>powerpc:     XXXX
                    865:       <li>sparc64:     XXXX
1.7       bentley   866:     </ul>
1.1       beck      867:
                    868: <li>As usual, steady improvements in manual pages and other documentation.
                    869:
                    870: <li>The system includes the following major components from outside suppliers:
1.21      benno     871:   <ul>
1.25      jsg       872:     <li>Xenocara (based on X.Org 7.7 with xserver 1.20.5 + patches,
                    873:         freetype 2.10.1, fontconfig 2.12.4, Mesa 19.0.8, xterm 344,
                    874:         xkeyboard-config 2.20 and more)
                    875:     <li>LLVM/Clang 8.0.1 (+ patches)
                    876:     <li>GCC 4.2.1 (+ patches) and 3.3.6 (+ patches)
                    877:     <li>Perl 5.28.2 (+ patches)
1.59      fcambus   878:     <li>NSD 4.2.2
1.48      fcambus   879:     <li>Unbound 1.9.4
1.25      jsg       880:     <li>Ncurses 5.7
                    881:     <li>Binutils 2.17 (+ patches)
                    882:     <li>Gdb 6.3 (+ patches)
                    883:     <li>Awk Aug 10, 2011 version
                    884:     <li>Expat 2.2.8
1.21      benno     885:   </ul>
1.1       beck      886: </ul>
1.7       bentley   887: </section>
1.1       beck      888:
                    889: <hr>
                    890:
1.7       bentley   891: <section id=install>
                    892: <h3>How to install</h3>
                    893: <p>
1.1       beck      894: Please refer to the following files on the mirror site for
                    895: extensive details on how to install OpenBSD 6.6 on your machine:
                    896:
                    897: <ul>
                    898: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/alpha/INSTALL.alpha">
                    899:        .../OpenBSD/6.6/alpha/INSTALL.alpha</a>
                    900: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/amd64/INSTALL.amd64">
                    901:        .../OpenBSD/6.6/amd64/INSTALL.amd64</a>
                    902: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/arm64/INSTALL.arm64">
                    903:        .../OpenBSD/6.6/arm64/INSTALL.arm64</a>
                    904: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/armv7/INSTALL.armv7">
                    905:        .../OpenBSD/6.6/armv7/INSTALL.armv7</a>
                    906: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/hppa/INSTALL.hppa">
                    907:        .../OpenBSD/6.6/hppa/INSTALL.hppa</a>
                    908: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/i386/INSTALL.i386">
                    909:        .../OpenBSD/6.6/i386/INSTALL.i386</a>
                    910: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/landisk/INSTALL.landisk">
                    911:        .../OpenBSD/6.6/landisk/INSTALL.landisk</a>
                    912: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/loongson/INSTALL.loongson">
                    913:        .../OpenBSD/6.6/loongson/INSTALL.loongson</a>
                    914: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/luna88k/INSTALL.luna88k">
                    915:        .../OpenBSD/6.6/luna88k/INSTALL.luna88k</a>
                    916: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/macppc/INSTALL.macppc">
                    917:        .../OpenBSD/6.6/macppc/INSTALL.macppc</a>
                    918: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/octeon/INSTALL.octeon">
                    919:        .../OpenBSD/6.6/octeon/INSTALL.octeon</a>
                    920: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/sparc64/INSTALL.sparc64">
                    921:        .../OpenBSD/6.6/sparc64/INSTALL.sparc64</a>
                    922: </ul>
1.8       deraadt   923: </section>
1.1       beck      924:
                    925: <hr>
                    926:
1.7       bentley   927: <section id=quickinstall>
1.1       beck      928: <p>
                    929: Quick installer information for people familiar with OpenBSD, and the use of
                    930: the "<a href="https://man.openbsd.org/disklabel.8">disklabel</a> -E" command.
                    931: If you are at all confused when installing OpenBSD, read the relevant
                    932: INSTALL.* file as listed above!
                    933:
1.7       bentley   934: <h3>OpenBSD/alpha:</h3>
1.1       beck      935:
1.7       bentley   936: <p>
1.1       beck      937: Write <i>floppy66.fs</i> or <i>floppyB66.fs</i> (depending on your machine)
                    938: to a diskette and enter <i>boot dva0</i>.
                    939: Refer to INSTALL.alpha for more details.
1.7       bentley   940:
1.1       beck      941: <p>
                    942: Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install
                    943: will most likely fail.
                    944:
1.7       bentley   945: <h3>OpenBSD/amd64:</h3>
1.1       beck      946:
1.7       bentley   947: <p>
1.1       beck      948: If your machine can boot from CD, you can write <i>install66.iso</i> or
                    949: <i>cd66.iso</i> to a CD and boot from it.
                    950: You may need to adjust your BIOS options first.
1.7       bentley   951:
1.1       beck      952: <p>
                    953: If your machine can boot from USB, you can write <i>install66.fs</i> or
                    954: <i>miniroot66.fs</i> to a USB stick and boot from it.
1.7       bentley   955:
1.1       beck      956: <p>
                    957: If you can't boot from a CD, floppy disk, or USB,
                    958: you can install across the network using PXE as described in the included
                    959: INSTALL.amd64 document.
1.7       bentley   960:
1.1       beck      961: <p>
                    962: If you are planning to dual boot OpenBSD with another OS, you will need to
                    963: read INSTALL.amd64.
                    964:
1.7       bentley   965: <h3>OpenBSD/arm64:</h3>
1.1       beck      966:
1.7       bentley   967: <p>
1.1       beck      968: Write <i>miniroot66.fs</i> to a disk and boot from it after connecting
                    969: to the serial console.  Refer to INSTALL.arm64 for more details.
                    970:
1.7       bentley   971: <h3>OpenBSD/armv7:</h3>
1.1       beck      972:
1.7       bentley   973: <p>
1.1       beck      974: Write a system specific miniroot to an SD card and boot from it after connecting
                    975: to the serial console.  Refer to INSTALL.armv7 for more details.
                    976:
1.7       bentley   977: <h3>OpenBSD/hppa:</h3>
1.1       beck      978:
1.7       bentley   979: <p>
1.1       beck      980: Boot over the network by following the instructions in INSTALL.hppa or the
                    981: <a href="hppa.html#install">hppa platform page</a>.
                    982:
1.7       bentley   983: <h3>OpenBSD/i386:</h3>
1.1       beck      984:
1.7       bentley   985: <p>
1.1       beck      986: If your machine can boot from CD, you can write <i>install66.iso</i> or
                    987: <i>cd66.iso</i> to a CD and boot from it.
                    988: You may need to adjust your BIOS options first.
1.7       bentley   989:
1.1       beck      990: <p>
                    991: If your machine can boot from USB, you can write <i>install66.fs</i> or
                    992: <i>miniroot66.fs</i> to a USB stick and boot from it.
1.7       bentley   993:
1.1       beck      994: <p>
                    995: If you can't boot from a CD, floppy disk, or USB,
                    996: you can install across the network using PXE as described in
                    997: the included INSTALL.i386 document.
1.7       bentley   998:
1.1       beck      999: <p>
                   1000: If you are planning on dual booting OpenBSD with another OS, you will need to
                   1001: read INSTALL.i386.
                   1002:
1.7       bentley  1003: <h3>OpenBSD/landisk:</h3>
1.1       beck     1004:
1.7       bentley  1005: <p>
1.1       beck     1006: Write <i>miniroot66.fs</i> to the start of the CF
                   1007: or disk, and boot normally.
                   1008:
1.7       bentley  1009: <h3>OpenBSD/loongson:</h3>
1.1       beck     1010:
1.7       bentley  1011: <p>
1.1       beck     1012: Write <i>miniroot66.fs</i> to a USB stick and boot bsd.rd from it
                   1013: or boot bsd.rd via tftp.
                   1014: Refer to the instructions in INSTALL.loongson for more details.
                   1015:
1.7       bentley  1016: <h3>OpenBSD/luna88k:</h3>
1.1       beck     1017:
1.7       bentley  1018: <p>
                   1019: Copy 'boot' and 'bsd.rd' to a Mach or UniOS partition, and boot the bootloader
1.1       beck     1020: from the PROM, and then bsd.rd from the bootloader.
                   1021: Refer to the instructions in INSTALL.luna88k for more details.
                   1022:
1.7       bentley  1023: <h3>OpenBSD/macppc:</h3>
1.1       beck     1024:
1.7       bentley  1025: <p>
1.1       beck     1026: Burn the image from a mirror site to a CDROM, and power on your machine
                   1027: while holding down the <i>C</i> key until the display turns on and
                   1028: shows <i>OpenBSD/macppc boot</i>.
1.7       bentley  1029:
1.1       beck     1030: <p>
                   1031: Alternatively, at the Open Firmware prompt, enter <i>boot cd:,ofwboot
                   1032: /6.6/macppc/bsd.rd</i>
                   1033:
1.7       bentley  1034: <h3>OpenBSD/octeon:</h3>
1.1       beck     1035:
1.7       bentley  1036: <p>
1.1       beck     1037: After connecting a serial port, boot bsd.rd over the network via DHCP/tftp.
                   1038: Refer to the instructions in INSTALL.octeon for more details.
                   1039:
1.7       bentley  1040: <h3>OpenBSD/sparc64:</h3>
1.1       beck     1041:
1.7       bentley  1042: <p>
1.1       beck     1043: Burn the image from a mirror site to a CDROM, boot from it, and type
                   1044: <i>boot cdrom</i>.
1.7       bentley  1045:
1.1       beck     1046: <p>
                   1047: If this doesn't work, or if you don't have a CDROM drive, you can write
                   1048: <i>floppy66.fs</i> or <i>floppyB66.fs</i>
                   1049: (depending on your machine) to a floppy and boot it with <i>boot
                   1050: floppy</i>. Refer to INSTALL.sparc64 for details.
1.7       bentley  1051:
1.1       beck     1052: <p>
                   1053: Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install
                   1054: will most likely fail.
1.7       bentley  1055:
1.1       beck     1056: <p>
                   1057: You can also write <i>miniroot66.fs</i> to the swap partition on
                   1058: the disk and boot with <i>boot disk:b</i>.
1.7       bentley  1059:
1.1       beck     1060: <p>
                   1061: If nothing works, you can boot over the network as described in INSTALL.sparc64.
1.7       bentley  1062: </section>
1.1       beck     1063:
                   1064: <hr>
                   1065:
1.7       bentley  1066: <section id=upgrade>
                   1067: <h3>How to upgrade</h3>
                   1068: <p>
1.1       beck     1069: If you already have an OpenBSD 6.5 system, and do not want to reinstall,
                   1070: upgrade instructions and advice can be found in the
                   1071: <a href="faq/upgrade66.html">Upgrade Guide</a>.
1.7       bentley  1072: </section>
1.1       beck     1073:
                   1074: <hr>
                   1075:
1.7       bentley  1076: <section id=sourcecode>
                   1077: <h3>Notes about the source code</h3>
                   1078: <p>
                   1079: <code>src.tar.gz</code> contains a source archive starting at <code>/usr/src</code>.
1.1       beck     1080: This file contains everything you need except for the kernel sources,
                   1081: which are in a separate archive.
                   1082: To extract:
                   1083: <blockquote><pre>
1.7       bentley  1084: # <kbd>mkdir -p /usr/src</kbd>
                   1085: # <kbd>cd /usr/src</kbd>
                   1086: # <kbd>tar xvfz /tmp/src.tar.gz</kbd>
1.1       beck     1087: </pre></blockquote>
1.7       bentley  1088: <p>
                   1089: <code>sys.tar.gz</code> contains a source archive starting at <code>/usr/src/sys</code>.
1.1       beck     1090: This file contains all the kernel sources you need to rebuild kernels.
                   1091: To extract:
                   1092: <blockquote><pre>
1.7       bentley  1093: # <kbd>mkdir -p /usr/src/sys</kbd>
                   1094: # <kbd>cd /usr/src</kbd>
                   1095: # <kbd>tar xvfz /tmp/sys.tar.gz</kbd>
1.1       beck     1096: </pre></blockquote>
1.7       bentley  1097: <p>
1.1       beck     1098: Both of these trees are a regular CVS checkout.  Using these trees it
                   1099: is possible to get a head-start on using the anoncvs servers as
                   1100: described <a href="anoncvs.html">here</a>.
                   1101: Using these files
                   1102: results in a much faster initial CVS update than you could expect from
                   1103: a fresh checkout of the full OpenBSD source tree.
1.7       bentley  1104: </section>
1.1       beck     1105:
                   1106: <hr>
                   1107:
1.7       bentley  1108: <section id=ports>
                   1109: <h3>Ports Tree</h3>
                   1110: <p>
1.1       beck     1111: A ports tree archive is also provided.  To extract:
                   1112: <blockquote><pre>
1.7       bentley  1113: # <kbd>cd /usr</kbd>
                   1114: # <kbd>tar xvfz /tmp/ports.tar.gz</kbd>
1.1       beck     1115: </pre></blockquote>
1.7       bentley  1116: <p>
1.1       beck     1117: Go read the <a href="faq/ports/index.html">ports</a> page
                   1118: if you know nothing about ports
                   1119: at this point.  This text is not a manual of how to use ports.
                   1120: Rather, it is a set of notes meant to kickstart the user on the
                   1121: OpenBSD ports system.
                   1122: <p>
                   1123: The <i>ports/</i> directory represents a CVS checkout of our ports.
                   1124: As with our complete source tree, our ports tree is available via
                   1125: <a href="anoncvs.html">AnonCVS</a>.
                   1126: So, in order to keep up to date with the -stable branch, you must make
                   1127: the <i>ports/</i> tree available on a read-write medium and update the tree
                   1128: with a command like:
                   1129: <blockquote><pre>
1.7       bentley  1130: # <kbd>cd /usr/ports</kbd>
1.15      jsg      1131: # <kbd>cvs -d anoncvs@server.openbsd.org:/cvs update -Pd -rOPENBSD_6_6</kbd>
1.1       beck     1132: </pre></blockquote>
1.7       bentley  1133: <p>
1.1       beck     1134: [Of course, you must replace the server name here with a nearby anoncvs
                   1135: server.]
                   1136: <p>
                   1137: Note that most ports are available as packages on our mirrors. Updated
                   1138: ports for the 6.6 release will be made available if problems arise.
                   1139: <p>
                   1140: If you're interested in seeing a port added, would like to help out, or just
                   1141: would like to know more, the mailing list
                   1142: <a href="mail.html">ports@openbsd.org</a> is a good place to know.
1.7       bentley  1143: </section>