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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>
1.25      jsg       144:     <li>Added support for Ethernet on Lenovo USB-C docks.
1.21      benno     145:     <li>Implemented Linux compatibility
                    146:       <a href="https://man.openbsd.org/acpi.4">acpi(4)</a>
                    147:       interfaces and enabled the ACPI support code in
                    148:       <a href="https://man.openbsd.org/radeon.4">radeon(4)</a> and
                    149:       <a href="https://man.openbsd.org/amdgpu.4">amdgpu(4)</a>.
                    150:     <li>Implemented backlight control for
                    151:       <a href="https://man.openbsd.org/amdgpu.4">amdgpu(4)</a>, allowing setting
                    152:       of the backlight using
                    153:       <a href="https://man.openbsd.org/wsconsctl.8">wsconsctl(8)</a>.
                    154:     <li>Speakers now work on the ThinkPad X1C7.
                    155:     <li>Added <a href="https://man.openbsd.org/amdgpu.4">amdgpu(4)</a>, an AMD
1.25      jsg       156:       Radeon GPU video driver.
1.21      benno     157:     <li>Added TSC synchronization for multiprocessor machines and re-enabled TSC
                    158:       as the default amd64 time source.
                    159:     <li>Added support of Realtek ALC285 in
                    160:       <a href="https://man.openbsd.org/azalia.4">azalia(4)</a>.
                    161:     <li>Added <a href="https://man.openbsd.org/uvideo.4">uvideo(4)</a> support
                    162:       for the KSMedia 8-bit IR format and for dual functions on integrated USB
                    163:       cameras.
1.41      solene    164:     <li>Added the <a href="https://man.openbsd.org/aplgpio.4">aplgpio(4)</a>
1.45      fcambus   165:       driver for the GPIO controllers on Intel's Apollo Lake SoC.
1.21      benno     166:     <li>Implemented MSI-X support on sparc64.
                    167:     <li>Skipped PCI host bridges and devices not present with
                    168:       <a href="https://man.openbsd.org/acpi.1">acpi(1)</a> when establishing
                    169:       the mapping between ACPI device nodes and PCI devices.
                    170:     <li>Added the <a href="https://man.openbsd.org/ukspan.4">ukspan(4)</a>
                    171:       driver for the Keyspan USA19HS USB serial adapter.
1.43      jmatthew  172:     <li>Improved support for SAS3 controllers, made device enumeration during
                    173:       boot more reliable, and enabled 64bit DMA for io in
1.21      benno     174:       <a href="https://man.openbsd.org/mpii.4">mpii(4)</a>.
                    175:     <li>Fixed MSI/MSI-X on arm64 machines with
                    176:       <a href="https://man.openbsd.org/agintc.4">agintc(4)</a>.
                    177:     <li>Added MSI-X support in
                    178:       <a href="https://man.openbsd.org/acpipci.4">acpipci(4)</a>, pciecam,
                    179:       <a href="https://man.openbsd.org/dwpcie.4">dwpcie(4)</a> and
                    180:       <a href="https://man.openbsd.org/rkpcie.4">rkpcie(4)</a>.
                    181:     <li>Improved support for type4 devices in the
                    182:       <a href="https://man.openbsd.org/ubcmtp.4">ubcmtp(4)</a> multi-touch
                    183:       trackpad driver.
                    184:     <li>Support for <a href="https://man.openbsd.org/virtio.4">virtio(4)</a> 1.0
                    185:       specification for PCI devices.
                    186:     <li>Improved support for the AR9271 chipset
                    187:       in <a href="https://man.openbsd.org/athn.4">athn(4)</a> .
1.58      stsp      188:     <li>Repaired support for <a href="https://man.openbsd.org/athn.4">athn(4)</a>
                    189:       9280 1T2R devices (broken since OpenBSD 6.5).
1.21      benno     190:     <li>Support for the trackpad and trackpoint of the Dell Precision 7520
                    191:       laptop in the <a href="https://man.openbsd.org/dwiic.4">dwiic(4)</a>
                    192:       driver.
                    193:     <li>Added the colemak keyboard layout.
                    194:     <li>New <a href="https://man.openbsd.org/fusbtc.4">fusbtc(4)</a>
                    195:       driver for the Fairchild FUSB302 USB Type-C controller.
                    196:     <li>Added a fallback to
                    197:       <a href="https://man.openbsd.org/ehci.4">ehci(4)</a>
                    198:       which enables the USB ports on the RockPro64.
                    199:     <li>Added support for more Intel 300 Series PCH devices to
                    200:       <a href="https://man.openbsd.org/ichiic.4">ichiic(4)</a>.
                    201:     <li>Added <a href="https://man.openbsd.org/mcx.4">mcx(4)</a> driver for
1.34      fcambus   202:       Mellanox ConnectX-4 (and later) Ethernet controllers.
1.21      benno     203:     <li>Added support for the cryptographic coprocessor found on newer
                    204:       AMD Ryzen CPUs/APUs.
                    205:     <li>Improved the <a href="https://man.openbsd.org/envy.4">envy(4)</a> codec
                    206:       API and used it on ESI Juli@ cards.
                    207:     <li>Enabled EnvyHT-specific sample rates (above 96kHz) on the host
                    208:       controller for <a href="https://man.openbsd.org/envy.4">envy(4)</a>
                    209:       devices.
                    210:     <li>Added support for the USB serial adapter found in Juniper SRX 300 to
                    211:       <a href="https://man.openbsd.org/uslcom.4">uslcom(4)</a>.
                    212:     <li>Updated shared drm code,
                    213:       <a href="https://man.openbsd.org/inteldrm.4">inteldrm(4)</a>
                    214:       and <a href="https://man.openbsd.org/radeondrm.4">radeondrm(4)</a>
1.50      jsg       215:       to linux 4.19.78. This adds support for Intel Broxton/Apollo
1.25      jsg       216:       Lake, Amber Lake, Gemini Lake, Coffee Lake, Whiskey Lake,
1.34      fcambus   217:       and Comet Lake hardware.
1.21      benno     218:     <li>Made <a href="https://man.openbsd.org/startx.1">startx(1)</a> and
                    219:       <a href="https://man.openbsd.org/xinit.1">xinit(1)</a> work again on
                    220:       modern systems using
                    221:       <a href="https://man.openbsd.org/inteldrm.4">inteldrm(4)</a>,
                    222:       <a href="https://man.openbsd.org/radeondrm.4">radeondrm(4)</a>
                    223:       and <a href="https://man.openbsd.org/amdgpu.4">amdgpu(4)</a>.
                    224:     <li>Added <a href="https://man.openbsd.org/mcprtc.4">mcprtc(4)</a>, a driver
                    225:       for the Microchip MCP79400 RTC and similar.
                    226:     <li>Added I2C clock gates to <a href="https://man.openbsd.org/mvclock.4">
                    227:        mvclock(4)</a>.
1.40      jmatthew  228:     <li>Added support for MSI-X to <a href="https://man.openbsd.org/bnxt.4">
1.21      benno     229:        bnxt(4)</a>.
                    230:     <li>Added <a href="https://man.openbsd.org/octpip.4">octpip(4)</a>, a driver
1.34      fcambus   231:       for the Octeon packet input processing unit.
1.21      benno     232:     <li>Added the <a href="https://man.openbsd.org/octiic.4">octiic(4)</a>
                    233:       driver for OCTEON two-wire serial interfaces.
                    234:     <li>Enabled <a href="https://man.openbsd.org/nvme.4">nvme(4)</a> on octeon.
                    235:     <li>Added <a href="https://man.openbsd.org/octpcie.4">octpcie(4)</a>, a
                    236:       driver for the PCIe controller found on OCTEON II and OCTEON III.
                    237:     <li>Fixed random kernel hangs on
                    238:       some <a href="https://www.openbsd.org/sparc64.html">sparc64</a>
                    239:       machines by blocking interrupts while sending an IPI on sunv4
                    240:       (as on sun4u).
1.40      jmatthew  241:     <li><a href="https://man.openbsd.org/ure.4">ure(4)</a> now supports
                    242:       RTL8153B devices.
1.51      brynet    243:     <li>Added new <a href="http://man.openbsd.org/ksmn.4">ksmn(4)</a> driver
                    244:       for temperature sensor on AMD Family 17h CPUs.
1.58      stsp      245:     <li>Explicitly disable BCM4331 wifi chips present in 2011-2012 Apple Mac systems.
                    246:       Fixes an interrupt storm that consumes about 50% of CPU0 on affected machines.
1.21      benno     247:   </ul>
                    248:
                    249: <li>Improved <a href="https://www.openbsd.org/arm64.html">arm64</a> hardware
                    250:   support, including:
1.23      fcambus   251:   <ul>
1.21      benno     252:     <li>Added support for Ampere eMAG CPU based systems.
                    253:     <li>Added support to <a href="https://man.openbsd.org/amlclock.4">amlclock(4)</a>
                    254:       for obtaining CPU clock frequency.
                    255:     <li>Enabled <a href="https://man.openbsd.org/amlmmc.4">amlmmc(4)</a>, a
                    256:       driver for the SD/MMC controller found on various Amlogic SoCs.
                    257:     <li>Implemented setting the CPU clock for Allwinner A64 SoCs in
                    258:       <a href="https://man.openbsd.org/sxiccmu.4">sxiccmu(4)</a>.
                    259:     <li>Added <a href="https://man.openbsd.org/amldwusb.4">amldwusb(4)</a>,
                    260:       <a href="https://man.openbsd.org/amlusbphy.4">amlusbphy(4)</a> and
                    261:       <a href="https://man.openbsd.org/amlpciephy.4">amlpciephy(4)</a>, drivers
                    262:       for the USB controller and PHYs on the Amlogic G12A/B SoCs.
                    263:     <li>Added <a href="https://man.openbsd.org/imxtmu.4">imxtmu(4)</a>, a driver
1.23      fcambus   264:       to support the temperature sensors on i.MX8M SoCs.
1.21      benno     265:     <li>Added <a href="https://man.openbsd.org/amlrng.4">amlrng(4)</a>, a simple
                    266:       random number generator driver for Amlogic SoCs.
                    267:     <li>Added <a href="https://man.openbsd.org/amclock.4">amclock(4)</a>,
                    268:       a driver for the Amlogic SoC clocks.
                    269:     <li>Added <a href="https://man.openbsd.org/amluart.4">amluart(4)</a>, a
                    270:       driver for the UARTs found on various Amlogic SoCs.
                    271:     <li>Added support for the SMBus System Interfaces (SSIF) to
1.34      fcambus   272:       <a href="https://man.openbsd.org/ipmi.4">ipmi(4)</a>.
1.21      benno     273:     <li>PXE booting using U-Boot works now.
                    274:     <li>Added clock support
                    275:       to <a href="https://man.openbsd.org/sxisyscon.4">sxisyscon(4)</a>,
                    276:       a driver for the system controller found on various Allwinner
                    277:       SoCs.
                    278:     <li>Implemented <a href="https://man.openbsd.org/smbios.4">smbios(4)</a>
                    279:       support on arm64.
                    280:     <li>Added <a href="https://man.openbsd.org/ucrcom.4">ucrcom(4)</a>, a driver
                    281:       for the serial console of chromebooks.
                    282:     <li>Enabled <a href="https://man.openbsd.org/mvmdio.4">mvmdio(4)</a> and
                    283:       <a href="https://man.openbsd.org/mvneta.4">mvneta(4)</a> on arm64.
                    284:     <li>Added <a href="https://man.openbsd.org/pinctrl.4">pinctrl(4)</a>
                    285:       support for 'pinconf-single' devices and support for
1.23      fcambus   286:       bias and drive-strength properties, needed for HiSilicon SoCs.
1.32      fcambus   287:     <li>Added <a href="https://man.openbsd.org/mvdog.4">mvdog(4)</a>, a driver
1.21      benno     288:       to support the watchdog on the Armada 3700 SoC.
                    289:     <li>Added support for the Allwinner H6 to
                    290:       <a href="https://man.openbsd.org/sxipio.4">sxipio(4)</a> and
                    291:       <a href="https://man.openbsd.org/sxiccmu.4">sxiccmu(4)</a>.
                    292:     <li>Added <a href="https://man.openbsd.org/mviic.4">mviic(4)</a>, a driver
                    293:       to support the I2C controller on the Armada 3700 SoC.
                    294:     <li>Added <a href="https://man.openbsd.org/mvuart.4">mvuart(4)</a> to
1.34      fcambus   295:       support the Armada 3720's serial console.
1.21      benno     296:     <li>Added support for the Armada 3720 clocks to
1.33      fcambus   297:       <a href="https://man.openbsd.org/mvclock.4">mvclock(4)</a>.
1.21      benno     298:     <li>Added support for the Armada 3720 pinctrl controller to
                    299:       <a href="https://man.openbsd.org/mvpinctrl.4">mvpinctrl(4)</a>. This
                    300:       controller also includes GPIO controller functionality.
                    301:     <li>Added the RK3328 and RK3399 GMAC clocks to
1.34      fcambus   302:       <a href="https://man.openbsd.org/rkclock.4">rkclock(4)</a>.
1.21      benno     303:     <li>Increased MAXCPUs to 32 in arm64, allowing use of all cores on the Ampere
                    304:       eMAG.
                    305:     <li>Added support for the Cortex-A65 CPU.
                    306:     <li>Implemented interrupt controller functionality in
                    307:       <a href="https://man.openbsd.org/rkgpio.4">rkgpio(4)</a>,
                    308:       allowing use of the
                    309:       <a href="https://man.openbsd.org/fusbtc.4">fusbtc(4)</a>
                    310:       interrupt on the RockPro64.
                    311:   </ul>
1.1       beck      312:
                    313: <li>IEEE 802.11 wireless stack improvements:
                    314:   <ul>
1.60    ! stsp      315:     <li>Repaired the
        !           316:       <a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>
        !           317:       'nwflag' command (broken since OpenBSD 6.4).
1.58      stsp      318:     <li>Added a new 'stayauth' nwflag which can be set to ignore deauth frames.
                    319:       This is useful when deauth frames are being spoofed by an attacker.
1.60    ! stsp      320:     <li>Repaired the
        !           321:       <a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>
        !           322:       'mode' command to properly force a wireless interface into 11a/b/g/n mode.
1.58      stsp      323:     <li>Made 11n Tx rate selection more sensitive to transmission failures.
                    324:     <li>Fixed automatic use of HT protection in 11n hostap mode.
                    325:     <li>Fixed WPA APs occasionally appearing as non-WPA APs during AP selection.
                    326:     <li>Fixed some eligible APs being ignored during AP selection after a
                    327:       roaming failure.
                    328:     <li>Added support for 802.11n Tx aggregation to net80211 and the
                    329:       <a href="https://man.openbsd.org/iwn.4">iwn(4)</a> driver.
1.21      benno     330:     <li>Made net80211 expose reasons for association failures to have
                    331:       <a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>
                    332:       display them in "scan" output and on the
                    333:       <a href="https://man.openbsd.org/ieee80211.9">ieee80211(9)</a>
1.34      fcambus   334:       status line.
1.58      stsp      335:     <li>Made all wireless drivers submit a batch of received packets to the
                    336:       network stack during one interrupt if possible, rather than submitting
                    337:       each packet individually. Prevents packet loss under high load due to
                    338:       backpressure from the network stack.
1.1       beck      339:   </ul>
                    340:
                    341: <li>Generic network stack improvements:
1.21      benno     342:   <ul>
                    343:     <li>Enabled TCP and UDP checksum offloading by default for
                    344:       <a href="https://man.openbsd.org/ix.4">ix(4)</a>.
                    345:     <li>Added <a href="https://man.openbsd.org/tpmr.4">tpmr(4)</a>, a 802.1Q
                    346:       two-port MAC relay implementation.
1.38      fcambus   347:     <li>Added <a href="https://man.openbsd.org/iavf.4">iavf(4)</a>, a driver for
1.34      fcambus   348:       Intel SR-IOV Virtual Functions of Intel 700 series Ethernet controllers.
1.21      benno     349:     <li>Added <a href="https://man.openbsd.org/aggr.4">aggr(4)</a>, a
                    350:       dedicated driver to implement 802.1AX link aggregration.
                    351:     <li>Added port protection support
                    352:       to <a href="https://man.openbsd.org/switch.4">switch(4)</a>. Domain
                    353:       membership is checked for unicast, flooded (broadcast) and local
1.34      fcambus   354:       (host-network-bound, e.g. trunk) traffic.
1.21      benno     355:     <li>Disabled <a href="https://man.openbsd.org/mobileip.4">mobileip(4)</a>.
                    356:     <li>Added support
                    357:       to <a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>
                    358:       for getting and setting rxprio, finishing support for RFC
                    359:       2983. Implemented configuring rxprio
                    360:       in <a href="https://man.openbsd.org/vlan.4">vlan(4)</a>,
                    361:       <a href="https://man.openbsd.org/gre.4">gre(4)</a>,
                    362:       <a href="https://man.openbsd.org/mpw.4">mpw(4)</a>,
                    363:       <a href="https://man.openbsd.org/mpe.4">mpe(4)</a>,
                    364:       <a href="https://man.openbsd.org/mpip.4">mpip(4)</a>,
                    365:       <a href="https://man.openbsd.org/etherip.4">etherip(4)</a>
1.23      fcambus   366:       and <a href="https://man.openbsd.org/bpe.4">bpe(4)</a>.
1.45      fcambus   367:     <li>Implemented Tx mitigation by calling the hardware transmit
1.21      benno     368:       routine per several packets rather than for individual
                    369:       packets. Defers calls to the transmit routine to a network taskq,
                    370:       or until a backlog of packets has built up.
                    371:     <li>Stopped using <a href="https://man.openbsd.org/splnet.9">splnet(9)</a> when
                    372:        running the network stack now
                    373:        that it is using the NET_LOCK for protection, reducing latency spikes.
1.29      deraadt   374:     <li>Added support for reading SFPs to some ethernet cards.
1.21      benno     375:   </ul>
1.1       beck      376:
                    377: <li>Installer improvements:
1.21      benno     378:   <ul>
                    379:     <li>Allowed quoted SSIDs in the installer, rather than ignoring
                    380:       those containing whitespace.
                    381:     <li>Introduced <a href="https://man.openbsd.org/sysupgrade.8">sysupgrade(8)</a>
1.44      deraadt   382:       that can be used to upgrade OpenBSD unattended.
                    383:     <li><a href="errata65.html#p012_sysupgrade">A syspatch was provided which adds</a>
                    384:        <a href="https://man.openbsd.org/sysupgrade.8">sysupgrade(8)</a>
                    385:         to 6.5, so unattended upgrades to 6.6 can be
                    386:        performed on amd64/arm64/i386 with <b># syspatch &amp;&amp; sysupgrade</b>.
1.29      deraadt   387:     <li>Created an <a href="https://www.openbsd.org/octeon.html">octeon</a>
                    388:       bootloader which is a modified kernel. To use this bootloader, the
                    389:       firmware must be configured to load file "boot" instead of "bsd".
1.21      benno     390:     <li>Included <a href="https://man.openbsd.org/mount_nfs.8">mount_nfs(8)</a>
                    391:       on the amd64 CD ramdisk.
                    392:     <li>Added <a href="https://man.openbsd.org/tee.1">tee(1)</a> to the ramdisk, and
                    393:        display a moving progress bar
                    394:        during auto upgrade/install.
                    395:     <li>Repaired and improved v6 default route selection, fixing autoinstalls.
                    396:     <li>Added <a href="https://man.openbsd.org/sysupgrade.8">sysupgrade(8)</a>
                    397:       support to the sparc64 bootloader.
1.45      fcambus   398:     <li>The DHCP configuration is now preserved when restarting an install.
1.21      benno     399:     <li>The installer now remembers 'autoconf' when restarting an install.
                    400:     <li>Stopped prompting for disks that do not contain a root
                    401:       partition during upgrades. This defaults to the correct disk
                    402:       when full disk encryption is in use, and will be useful for
                    403:       future unattended upgrades.
                    404:   </ul>
1.1       beck      405:
                    406: <li>Security improvements:
                    407:   <ul>
1.21      benno     408:     <li><a href="https://man.openbsd.org/unveil.2">unveil(2)</a> is
1.28      deraadt   409:       now used in 77 userland programs to redact filesystem access.
1.21      benno     410:     <li>Various changes
                    411:       in <a href="https://man.openbsd.org/unveil.2">unveil(2)</a>
1.23      fcambus   412:       to improve application behavior when encountering hidden
1.21      benno     413:       filesystem paths.
1.28      deraadt   414:     <li><a href="https://man.openbsd.org/ps.1">ps(1)</a> can show which
                    415:       processes have called <a href="https://man.openbsd.org/unveil.2">unveil(2)</a>
                    416:       with the <b>u</b> and <b>U</b> flags in STATE field.
                    417:     <li><a href="https://man.openbsd.org/ps.1">ps(1)</a> can show the list
                    418:       of <a href="https://man.openbsd.org/pledge.2">pledge(2)</a> options
                    419:       processes use with the <b>-o pledge</b> option.
1.22      benno     420:     <li>Further and improved mitigations against Spectre side-channel
1.21      benno     421:       vulnerability in Intel CPUs built since 2012.
                    422:     <li>Mitigations for Intel's Microarchitectural Data Sampling
                    423:       vulnerability, using the new CPU VERW behavior if available or
                    424:       by using the proper sequence from Intel's "Deep Dive" doc in the
                    425:       return-to-userspace and enter-VMM-guest
                    426:       paths. Updated <a href="https://man.openbsd.org/vmm.4">vmm(4)</a>
                    427:       to pass through the MSR bits so that guests can apply the
                    428:       optimal mitigation.
                    429:     <li>Rewrote <a href="https://man.openbsd.org/doas.1">doas(1)</a>
                    430:       environment inheritance not to inherit, and instead reset to the
                    431:       target user's values by default.
1.28      deraadt   432:     <li>Prepare
1.41      solene    433:       the <a href="https://www.openbsd.org/amd64.html">amd64</a> BIOS
1.28      deraadt   434:       bootloader for loading the kernel at a random virtual address (future work).
1.21      benno     435:     <li>Introduced
                    436:       <a href="https://man.openbsd.org/malloc_conceal.3">malloc_conceal(3)</a>
                    437:       and <a href="https://man.openbsd.org/calloc_conceal.3">calloc_conceal(3)</a>,
                    438:       which return memory in pages marked MAP_CONCEAL and call
                    439:       <a href="https://man.openbsd.org/freezero.3">freezero(3)</a>
                    440:       on <a href="https://man.openbsd.org/free.3">free(3)</a>.
                    441:     <li>Make 'systat pf' not require root permissions
                    442:     (<a href="https://man.openbsd.org/systat.8">systat(8)</a>).
                    443:     <li>Added support for the EFI Random Number Generator Protocol,
                    444:       using it to XOR random data into the buffer we feed the kernel for
                    445:       <a href="https://www.openbsd.org/amd64.html">amd64</a>.
                    446:     <li>Added information about system call memory write protection
1.23      fcambus   447:       and stack mapping violations to system
1.21      benno     448:       accounting. Now <a href="https://man.openbsd.org/daily.8">daily(8)</a>
                    449:       will print a list of affected processes
1.41      solene    450:       and <a href="https://man.openbsd.org/lastcomm.1">lastcomm(1)</a>
1.21      benno     451:       will flag violations with 'M'.
1.1       beck      452:   </ul>
                    453:
                    454: <li>Routing daemons and other userland network improvements:
1.21      benno     455:   <ul>
                    456:     <li>The <a href="https://man.openbsd.org/ntpd.8">ntpd(8)</a>
                    457:       daemon now gets and sets the clock in a secure way when booting
                    458:       even when a battery-backed clock is absent.
                    459:     <li><a href="https://man.openbsd.org/slaacd.8">slaacd(8)</a> now
                    460:       removes IPv6 addresses when it detects a link-state change but
                    461:       no new router advertisement is received.
                    462:     <li><a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>
1.29      deraadt   463:         now reports SFP, SFP+ and QSFP module information when using
                    464:        the <b>sff</b> option.
1.21      benno     465:     <li>Imported <a href="https://man.openbsd.org/snmp.1">snmp(1)</a>,
1.45      fcambus   466:       a new SNMP client which aims to be netsnmp-compatible for
1.21      benno     467:       supported features, and
                    468:       removed <a href="https://man.openbsd.org/snmpctl.8">snmpctl(8)</a>.
                    469:     <li>Improvements
1.45      fcambus   470:       in <a href="https://man.openbsd.org/ntpd.8">ntpd(8)</a> DNS
1.59      fcambus   471:       resolving and constraints checking, especially during
1.45      fcambus   472:       startup. Unreliable NTP peers are removed from the pool and
                    473:       DNS resolving is repeated to add replacements.
1.21      benno     474:     <li>Changed the <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>
                    475:     Adj-RIB-Out to a per-peer set of RB trees, improving speed.
                    476:     <li>Rewrote <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>
                    477:       community matching and handling code and improved performance
                    478:       for setups using many communities.
                    479:     <li>Checked the type of a network statement when looking for
                    480:       duplicates
                    481:       in <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>.  This
                    482:       fixes added network 0.0.0.0/0 after 'network inet static'.
                    483:     <li>Made improvements
                    484:     to <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a> speed when
                    485:     configuring many peers.
                    486:     <li>Implemented <a href="https://man.openbsd.org/bgpctl.8">bgpctl(8)</a>
                    487:       'show mrt neighbors', to print the neighbor table of MRT
                    488:       TABLE_DUMP_V2 dumps.
                    489:     <li>Moved <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>
                    490:       pfkey socket to the parent process. The refreshing of the keys
                    491:       for MD5 and IPSEC is done whenever the session state changes to
                    492:       IDLE or ACTIVE, which should behave better when reloading
                    493:       configs with auth changes.
                    494:     <li>In <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>, fixed
                    495:       reloading of network statements that have no fixed prefix
                    496:       specification.
                    497:     <li>Extended the maximum size of
                    498:       the <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>
                    499:       shutdown communication message to 255 bytes.
                    500:     <li>Improvements
                    501:       in <a href="https://man.openbsd.org/pfctl.8">pfctl(8)</a>, to
                    502:       always check for namespace collisions on table
                    503:       commands. Introduced 'pfctl -FR' to reset pfctl(8) settings to
                    504:       defaults.
                    505:     <li>Imported Kristaps Dzonsons' RPKI
                    506:       validator, <a href="https://man.openbsd.org/rpki-client.8">rpki-client(8)</a>.
                    507:     <li> <a href="https://man.openbsd.org/relayd.8">relayd(8)</a> now supports
                    508:       binary protocol health checking. See
                    509:       <a href="https://man.openbsd.org/relayd.conf.5">relayd.conf(5)</a>.
                    510:     <li>Added support for OCSP stapling
                    511:       to <a href="https://man.openbsd.org/relayd.8">relayd(8)</a>.
                    512:     <li>Added <a href="https://man.openbsd.org/relayd.8">relayd(8)</a>
                    513:       support for SNI with new 'tls keypair' option to load additional
                    514:       certificates.
                    515:     <li>Added support for 'from/to address[/prefix]'
                    516:       in <a href="https://man.openbsd.org/.8">relayd(8)</a> filter rules.
                    517:     <li>Implemented RFC 8555 "Automatic Certificate Management
                    518:       Environment (ACME)" to
                    519:       enable <a href="https://man.openbsd.org/acme-client.1">acme-client(1)</a>
                    520:       to communicate with the v02 Let's Encrypt API. Read the
                    521:       <a href="faq/upgrade66.html">upgrade guide</a> for more information.
                    522:     <li><a href="https://man.openbsd.org/tcpdump.8">tcpdump(8)</a>
                    523:       support for '-T erspan' and
                    524:       arbitrary <a href="https://man.openbsd.org/gre.4">gre(4)</a>
                    525:       protocols.
                    526:     <li>Allowed specifying area by number as well as id
                    527:       in <a href="https://man.openbsd.org/ospf6d.8">ospf6d(8)</a>.
                    528:     <li><a href="https://man.openbsd.org/ospfctl.8">ospfctl(8)</a> now
                    529:       accepts both address and number format for 'ospfctl show
                    530:       database area XXX'.
                    531:     <li><a href="https://man.openbsd.org/ospfd.8">ospfd(8)</a> reload
                    532:       improvements.
                    533:     <li>Added a check
                    534:       to <a href="https://man.openbsd.org/ospfd.8">ospfd(8)</a>
                    535:       and <a href="https://man.openbsd.org/ospf6d.8">ospf6d(8)</a>
                    536:       that any "depend on" interfaces are in the same rdomain.
                    537:     <li>Make 'passive' (announce a network configured on an interface
                    538:       as a stub network) work with P2P interfaces
                    539:       in <a href="https://man.openbsd.org/ospfd.8">ospfd(8)</a>.
                    540:     <li>Shutdown the service port when behind a captive portal
                    541:       with <a href="https://man.openbsd.org/unwind.8">unwind(8)</a>,
                    542:       allowing bypass of captive portals that correctly answer SOA
                    543:       queries for the root zone and return NXDOMAIN for the captive
                    544:       portal redirect domain if edns0 is present.
                    545:     <li>Implemented DNS block lists
                    546:     in <a href="https://man.openbsd.org/unwind.8">unwind(8)</a>.
                    547:     <li>Added support for IKEv2 Message Fragmentation (RFC 7383)
                    548:     to <a href="https://man.openbsd.org/iked.8">iked(8)</a>.
                    549:     <li>Enabled switching between wireless and wired interfaces in
                    550:       dhclient(8), setting the default route with the interface
                    551:       address and allowing two default routes in the routing table. A
1.23      fcambus   552:       wired interface will be preferred when connected.
1.21      benno     553:     <li>Added consistent use of 'ifconfig $_if [-inet| -inet6]' to clear existing
                    554:       configurations completely after restarting an install.
                    555:     <li>Added 'forwarded' log format extending the 'combined' log
                    556:     format in <a href="https://man.openbsd.org/httpd.8">httpd(8)</a>.
                    557:   </ul>
1.23      fcambus   558:
                    559: <li>Assorted improvements:
1.1       beck      560:   <ul>
                    561:     <li> The filesystem buffer cache now more aggressively uses memory
                    562:       outside the DMA region, to improve cache performance on amd64
                    563:       machines.
1.5       rob       564:     <li> The BER API previously internal to
1.21      benno     565:       <a href="https://man.openbsd.org/ldap.1">ldap(1)</a>,
                    566:       <a href="https://man.openbsd.org/ldapd.8">ldapd(8)</a>,
                    567:       <a href="https://man.openbsd.org/ypldap.8">ypldap(8)</a>, and
                    568:       <a href="https://man.openbsd.org/snmpd.8">snmpd(8)</a> has been moved into
                    569:       libutil.
                    570:       See <a href="https://man.openbsd.org/ber_read_elements.3">ber_read_elements(3)</a>.
                    571:     <li>Removed the old
                    572:       userland <a href="https://man.openbsd.org/realpath.3">realpath(3)</a>
                    573:       and replaced it with __realpath(2), a kernel
                    574:       implementation. This will prevent
                    575:       calling <a href="https://man.openbsd.org/readlink.2">readlink(2)</a>
                    576:       on every component of a path and improve performance for
                    577:       <a href="https://man.openbsd.org/unveil.2">unveil(2)</a>.
                    578:     <li><a href="https://man.openbsd.org/ld.so.1">ld.so(1)</a> speedups,
                    579:     improving dynamic linker performance for large objects.
                    580:     <li>Modified <a href="https://man.openbsd.org/systat.1">systat(1)</a>
                    581:     to allow the use of 'b' to switch to stats since boot.
                    582:   </ul>
                    583:
1.56      benno     584: <li>VMM/VMD improvements
1.21      benno     585:   <ul>
                    586:     <li>Added support for 'boot device'
1.37      anton     587:       to <a href="https://man.openbsd.org/vm.conf.5#boot_device">vm.conf(5)</a>
1.21      benno     588:       grammar, the '-B device' counterpart
                    589:       from <a href="https://man.openbsd.org/vmctl.8">vmctl(8)</a>.
                    590:     <li>Emulated kvm pvclock
                    591:       in <a href="https://man.openbsd.org/vmm.4">vmm(4)</a>, compatible
                    592:        with <a href="https://man.openbsd.org/pvclock.4">pvclock(4)</a> in
                    593:          OpenBSD.
                    594:     <li>Enabled reporting of the vm state through use of
                    595:       the <a href="https://man.openbsd.org/vmctl.8">vmctl(8)</a>
                    596:       'status' command.
                    597:     <li>Synced vm state
                    598:       in <a href="https://man.openbsd.org/vmd.8">vmd(8)</a> when
                    599:       (un)pausing a vm to ensure
                    600:       both <a href="https://man.openbsd.org/vmm.4">vmm(4)</a>
                    601:       and <a href="https://man.openbsd.org/vmd.8">vmd(8)</a> processes
                    602:       know the vm is paused.
                    603:     <li>Handled some unhandled instructions for SVM which led
                    604:       to <a href="https://man.openbsd.org/vmm.4">vmm(4)</a> guest
                    605:       termination, as well as RDTSCP and INVLPGA instructions.
                    606:     <li>Modified <a href="https://man.openbsd.org/vmm.4">vmm(4)</a> to
                    607:     flush guest TLB entries if the guest disables paging.
1.1       beck      608:   </ul>
                    609:
                    610: <li>OpenSMTPD 6.6.0
                    611:   <ul>
1.18      gilles    612:     <li>New Features
                    613:       <ul>
                    614:        <li>Introduced support for ECDSA certificates with an ECDSA privsep engine.
1.21      benno     615:        <li>Introduced builtin filters to allow basic filtering of incoming sessions
                    616:          in <a href="https://man.openbsd.org/smtpd.8">smtpd(8)</a>.
                    617:        <li>Introduced option to deliver junk to a Junk folder
                    618:          in <a href="https://man.openbsd.org/mail.maildir.8">mail.maildir(8)</a>.
1.18      gilles    619:       </ul>
                    620:     <li>Bug fixes
                    621:       <ul>
1.21      benno     622:        <li>Fixed the <a href="https://man.openbsd.org/smtp.1">smtp(1)</a> client
                    623:          so it uses correct default port for SMTPS.
                    624:        <li>Fixed an <a href="https://man.openbsd.org/smtpd.8">smtpd(8)</a> crash on
                    625:          excessively large input.
1.18      gilles    626:        <li>Ensured mail rejected by an LMTP server will stay queued rather than bouncing.
                    627:       </ul>
                    628:     <li>Experimental Features
                    629:       <ul>
1.21      benno     630:        <li>Introduced a filters API to allow writing standalone filters
                    631:          for <a href="https://man.openbsd.org/smtpd.8">smtpd(8)</a>,
1.18      gilles    632:          with multiple filters made available in ports.
1.21      benno     633:        <li>Introduced support for proxy-v2 protocol
                    634:          allowing <a href="https://man.openbsd.org/smtpd.8">smtpd(8)</a> to
                    635:          operate behind proxy.
1.18      gilles    636:       </ul>
1.1       beck      637:   </ul>
                    638:
                    639: <li>LibreSSL 3.0.X
                    640:   <ul>
                    641:     <li>API and Documentation Enhancements
                    642:     <ul>
1.11      tb        643:       <li>Completed the port of RSA_METHOD accessors from the
1.13      tb        644:           OpenSSL 1.1 API.
1.21      benno     645:       <li>Documented undescribed options and removed unfunctional
                    646:           options description
                    647:           in <a href="https://man.openbsd.org/openssl.1">openssl(1)</a>
                    648:           manual.
1.1       beck      649:     </ul>
                    650:
                    651:     <li>Compatibility Changes
                    652:     <ul>
                    653:     </ul>
                    654:
                    655:     <li>Testing and Proactive Security
                    656:     <ul>
                    657:       <li>
1.2       tb        658:        A plethora of small fixes due to regular oss-fuzz testing.
1.13      tb        659:       <li>
1.21      benno     660:         Various side channels in DSA and ECDSA were addressed.  These
                    661:        are some of the many issues found in an extensive systematic
                    662:        analysis of bignum usage by Samuel Weiser, David Schrammel et
                    663:        al.
1.20      tb        664:       <li>
1.21      benno     665:         Try to compute the cofactor if a nonsensical value was
                    666:        provided for ECC parameters.  Fix from Billy Brumley.
1.1       beck      667:     </ul>
                    668:
                    669:     <li>Internal Improvements
1.21      benno     670:       <ul>
                    671:       </ul>
1.1       beck      672:
                    673:     <li>Portable Improvements
                    674:     <ul>
1.21      benno     675:       <li>Enabled performance optimizations when building with Visual
                    676:        Studio on Windows.
1.55      fcambus   677:       <li>Enabled <a href="https://man.openbsd.org/openssl.1">openssl(1)</a>
                    678:         speed subcommand on Windows platform.
1.1       beck      679:     </ul>
                    680:
                    681:     <li>Bug Fixes
                    682:     <ul>
1.21      benno     683:       <li>Fixed issue where SRTP extension would not be sent by
                    684:        server.
                    685:       <li>Fixed incorrect carry operation in 512 addition for
                    686:        Streebog.
1.55      fcambus   687:       <li>Fixed -modulus option with
                    688:         <a href="https://man.openbsd.org/openssl.1">openssl(1)</a>
                    689:         dsa subcommand.
                    690:       <li>Fixed PVK format output issue with
                    691:         <a href="https://man.openbsd.org/openssl.1">openssl(1)</a>
                    692:         dsa and rsa subcommand.
1.46      tb        693:       <li>Fixed a padding oracle attack in <code>PKCS7_dataDecode()</code>
                    694:         and <code>CMS_decrypt_set1_pkey()</code> (<code>CMS</code>
                    695:         is currently disabled). From Bernd Edlinger.
1.1       beck      696:     </ul>
                    697:   </ul>
                    698:
1.52      benno     699: <li>OpenSSH 8.1
1.1       beck      700:   <ul>
1.21      benno     701:     <li>New Features
                    702:       <ul>
1.52      benno     703:        <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>: Allow %n to be
                    704:          expanded in ProxyCommand strings
                    705:        <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>,
                    706:          <a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>: Allow
                    707:          prepending a list of algorithms to the default set by
                    708:          starting the list with the '^' character, E.g.
                    709:          "HostKeyAlgorithms ^ssh-ed25519"
                    710:        <li><a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>:
                    711:          add an experimental lightweight signature and verification
                    712:          ability.  Signatures may be made using regular ssh keys held
                    713:          on disk or stored in a ssh-agent and verified against an
                    714:          authorized_keys-like list of allowed keys. Signatures embed
                    715:          a namespace that prevents confusion and attacks between
                    716:          different usage domains (e.g. files vs email).
                    717:        <li><a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>:
                    718:          print key comment when extracting public key from a private
                    719:          key.  <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3052'>bz#3052</a>
                    720:        <li><a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>:
                    721:          accept the verbose flag when searching for host keys in
                    722:          known hosts (i.e. "ssh-keygen -vF host") to print the
                    723:          matching host's random-art signature
                    724:          too. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3003'>bz#3003</a>
                    725:        <li>All: support PKCS8 as an optional format for storage of
                    726:          private keys to disk.  The OpenSSH native key format remains
                    727:          the default, but PKCS8 is a superior format to PEM if
                    728:          interoperability with non-OpenSSH software is required, as
                    729:          it may use a less insecure key derivation function than
                    730:          PEM's.
1.21      benno     731:       </ul>
                    732:       <li>Bugfixes
                    733:        <ul>
1.52      benno     734:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>: if a
                    735:            PKCS#11 token returns no keys then try to login and
                    736:            refetch them. Based on patch from Jakub
                    737:            Jelen; <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=2430'>bz#2430</a>
                    738:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>:
                    739:            produce a useful error message if the user's shell is set
                    740:            incorrectly during "match exec"
                    741:            processing. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=2791'>bz#2791</a>
                    742:          <li><a href='https://man.openbsd.org/sftp.1'>sftp(1)</a>:
                    743:            allow the maximum uint32 value for the argument passed to
                    744:            -b which allows better error messages from later
                    745:            validation.
                    746:            <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3050'>bz#3050</a>
                    747:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>:
                    748:            avoid pledge sandbox violations in some combinations of
                    749:            remote forwarding, connection multiplexing and
                    750:            ControlMaster.
                    751:          <li><a href='https://man.openbsd.org/ssh-keyscan.1'>ssh-keyscan(1)</a>:
                    752:            include SHA2-variant RSA key algorithms in KEX proposal;
                    753:            allows ssh-keyscan to harvest keys from servers that
                    754:            disable old SHA1
                    755:            ssh-rsa. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3029'>bz#3029</a>
                    756:          <li><a href='https://man.openbsd.org/sftp.1'>sftp(1)</a>:
                    757:            print explicit "not modified" message if a file was
                    758:            requested for resumed download but was considered already
                    759:            complete.
                    760:            <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=2978'>bz#2978</a>
                    761:          <li><a href='https://man.openbsd.org/sftp.1'>sftp(1)</a>:
                    762:            fix a typo and make &lt;esc>&lt;right> move right to the
                    763:            closest end of a word just like &lt;esc>&lt;left> moves
                    764:            left to the closest beginning of a word.
                    765:          <li><a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>:
                    766:            cap the number of permitopen/permitlisten directives
                    767:            allowed to appear on a single authorized_keys line.
                    768:          <li>All: fix a number of memory leaks (one-off or on exit paths).
                    769:          <li>Regression tests: a number of fixes and improvements,
                    770:            including fixes to the interop tests, adding the ability
                    771:            to run most tests on builds that disable OpenSSL support,
                    772:            better support for running tests under Valgrind and a
                    773:            number of bug-fixes.
                    774:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>,
                    775:            <a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>:
                    776:            check for convtime() refusing to accept times that resolve
                    777:            to LONG_MAX Reported by Kirk Wolf bz2977
                    778:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>:
                    779:            slightly more instructive error message when the user
                    780:            specifies multiple -J options on the command-line. bz3015
                    781:          <li><a href='https://man.openbsd.org/ssh-agent.1'>ssh-agent(1)</a>:
                    782:            process agent requests for RSA certificate private keys
                    783:            using correct signature algorithm when requested. bz3016
                    784:          <li><a href='https://man.openbsd.org/sftp.1'>sftp(1)</a>:
                    785:            check for user@host when parsing sftp target. This allows
                    786:            user@[1.2.3.4] to work without a
                    787:            path.  <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=2999'>bz#2999</a>
                    788:          <li><a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>:
                    789:            enlarge format buffer size for certificate serial number
                    790:            so the log message can record any 64-bit integer without
                    791:            truncation. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3012'>bz#3012</a>
                    792:          <li><a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>:
                    793:            for PermitOpen violations add the remote host and port to
                    794:            be able to more easily ascertain the source of the
                    795:            request. Add the same logging for PermitListen violations
                    796:            which where not previously logged at all.
                    797:          <li><a href='https://man.openbsd.org/scp.1'>scp(1)</a>,
                    798:            <a href='https://man.openbsd.org/sftp.1'>sftp(1)</a>:
                    799:            use the correct POSIX format style for left justification
                    800:            for the transfer progress
                    801:            meter. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3002'>bz#3002</a>
                    802:          <li><a href='https://man.openbsd.org/sshd.8'>sshd(8)</a>
                    803:            when examining a configuration using sshd -T, assume any
                    804:            attribute not provided by -C does not match, which allows
                    805:            it to work when sshd_config contains a Match directive
                    806:            with or without -C.
                    807:            <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=2858'>bz#2858</a>
                    808:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>,
                    809:            <a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>:
                    810:            downgrade PKCS#11 "provider returned no slots" warning
                    811:            from log level error to debug. This is common when
                    812:            attempting to enumerate keys on smartcard readers with no
                    813:            cards plugged
                    814:            in. <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3058'>bz#3058</a>
                    815:          <li><a href='https://man.openbsd.org/ssh.1'>ssh(1)</a>,
                    816:            <a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>:
                    817:            do not unconditionally log in to PKCS#11 tokens. Avoids
                    818:            spurious PIN prompts for keys not selected for
                    819:            authentication
                    820:            in <a href='https://man.openbsd.org/ssh.1'>ssh(1)</a> and
                    821:            when listing public keys available in a token
                    822:            using <a href='https://man.openbsd.org/ssh-keygen.1'>ssh-keygen(1)</a>.
                    823:            <a href='https://bugzilla.mindrot.org/show_bug.cgi?id=3006'>bz#3006</a>
1.21      benno     824:        </ul>
1.1       beck      825:   </ul>
1.57      deraadt   826: <li>Mandoc
1.1       beck      827:   <ul>
1.55      fcambus   828:     <li>Provided a notification to stderr to indicate messages have been
                    829:       shown when <a href="https://man.openbsd.org/mandoc.1">mandoc(1)</a>
                    830:       output is printed without a pager, to indicate messages may have
1.21      benno     831:       preceded the output.
                    832:     <li>Fixed a segfault
                    833:       in <a href="https://man.openbsd.org/mandoc.1">mandoc(1)</a> when
                    834:       /tmp is not writable.
                    835:     <li>Added <a href="https://man.openbsd.org/mandoc.1">mandoc(1)</a>
                    836:       support for 'prefers-color-scheme: dark'.
                    837:     <li>Improved <a href="https://man.openbsd.org/man.1">man(1)</a>
                    838:       matching for requests for a specific section.
1.1       beck      839:   </ul>
                    840:
1.7       bentley   841: <li><p>Ports and packages:
1.1       beck      842:     <ul>
                    843:     </ul>
1.7       bentley   844:     <p>Many pre-built packages for each architecture:
1.1       beck      845:     <!-- number of FTP packages minus SHA256, SHA256.sig, index.txt -->
1.7       bentley   846:     <ul style="column-count: 3">
1.1       beck      847:       <li>aarch64:     XXXX
                    848:       <li>amd64:       XXXX
1.42      benno     849:       <li>armv7:       XXXX
1.1       beck      850:       <li>i386:        XXXX
                    851:       <li>mips64:      XXXX
                    852:       <li>mips64el:    XXXX
                    853:       <li>powerpc:     XXXX
                    854:       <li>sparc64:     XXXX
1.7       bentley   855:     </ul>
1.1       beck      856:
                    857: <li>As usual, steady improvements in manual pages and other documentation.
                    858:
                    859: <li>The system includes the following major components from outside suppliers:
1.21      benno     860:   <ul>
1.25      jsg       861:     <li>Xenocara (based on X.Org 7.7 with xserver 1.20.5 + patches,
                    862:         freetype 2.10.1, fontconfig 2.12.4, Mesa 19.0.8, xterm 344,
                    863:         xkeyboard-config 2.20 and more)
                    864:     <li>LLVM/Clang 8.0.1 (+ patches)
                    865:     <li>GCC 4.2.1 (+ patches) and 3.3.6 (+ patches)
                    866:     <li>Perl 5.28.2 (+ patches)
1.59      fcambus   867:     <li>NSD 4.2.2
1.48      fcambus   868:     <li>Unbound 1.9.4
1.25      jsg       869:     <li>Ncurses 5.7
                    870:     <li>Binutils 2.17 (+ patches)
                    871:     <li>Gdb 6.3 (+ patches)
                    872:     <li>Awk Aug 10, 2011 version
                    873:     <li>Expat 2.2.8
1.21      benno     874:   </ul>
1.1       beck      875: </ul>
1.7       bentley   876: </section>
1.1       beck      877:
                    878: <hr>
                    879:
1.7       bentley   880: <section id=install>
                    881: <h3>How to install</h3>
                    882: <p>
1.1       beck      883: Please refer to the following files on the mirror site for
                    884: extensive details on how to install OpenBSD 6.6 on your machine:
                    885:
                    886: <ul>
                    887: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/alpha/INSTALL.alpha">
                    888:        .../OpenBSD/6.6/alpha/INSTALL.alpha</a>
                    889: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/amd64/INSTALL.amd64">
                    890:        .../OpenBSD/6.6/amd64/INSTALL.amd64</a>
                    891: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/arm64/INSTALL.arm64">
                    892:        .../OpenBSD/6.6/arm64/INSTALL.arm64</a>
                    893: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/armv7/INSTALL.armv7">
                    894:        .../OpenBSD/6.6/armv7/INSTALL.armv7</a>
                    895: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/hppa/INSTALL.hppa">
                    896:        .../OpenBSD/6.6/hppa/INSTALL.hppa</a>
                    897: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/i386/INSTALL.i386">
                    898:        .../OpenBSD/6.6/i386/INSTALL.i386</a>
                    899: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/landisk/INSTALL.landisk">
                    900:        .../OpenBSD/6.6/landisk/INSTALL.landisk</a>
                    901: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/loongson/INSTALL.loongson">
                    902:        .../OpenBSD/6.6/loongson/INSTALL.loongson</a>
                    903: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/luna88k/INSTALL.luna88k">
                    904:        .../OpenBSD/6.6/luna88k/INSTALL.luna88k</a>
                    905: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/macppc/INSTALL.macppc">
                    906:        .../OpenBSD/6.6/macppc/INSTALL.macppc</a>
                    907: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/octeon/INSTALL.octeon">
                    908:        .../OpenBSD/6.6/octeon/INSTALL.octeon</a>
                    909: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.6/sparc64/INSTALL.sparc64">
                    910:        .../OpenBSD/6.6/sparc64/INSTALL.sparc64</a>
                    911: </ul>
1.8       deraadt   912: </section>
1.1       beck      913:
                    914: <hr>
                    915:
1.7       bentley   916: <section id=quickinstall>
1.1       beck      917: <p>
                    918: Quick installer information for people familiar with OpenBSD, and the use of
                    919: the "<a href="https://man.openbsd.org/disklabel.8">disklabel</a> -E" command.
                    920: If you are at all confused when installing OpenBSD, read the relevant
                    921: INSTALL.* file as listed above!
                    922:
1.7       bentley   923: <h3>OpenBSD/alpha:</h3>
1.1       beck      924:
1.7       bentley   925: <p>
1.1       beck      926: Write <i>floppy66.fs</i> or <i>floppyB66.fs</i> (depending on your machine)
                    927: to a diskette and enter <i>boot dva0</i>.
                    928: Refer to INSTALL.alpha for more details.
1.7       bentley   929:
1.1       beck      930: <p>
                    931: Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install
                    932: will most likely fail.
                    933:
1.7       bentley   934: <h3>OpenBSD/amd64:</h3>
1.1       beck      935:
1.7       bentley   936: <p>
1.1       beck      937: If your machine can boot from CD, you can write <i>install66.iso</i> or
                    938: <i>cd66.iso</i> to a CD and boot from it.
                    939: You may need to adjust your BIOS options first.
1.7       bentley   940:
1.1       beck      941: <p>
                    942: If your machine can boot from USB, you can write <i>install66.fs</i> or
                    943: <i>miniroot66.fs</i> to a USB stick and boot from it.
1.7       bentley   944:
1.1       beck      945: <p>
                    946: If you can't boot from a CD, floppy disk, or USB,
                    947: you can install across the network using PXE as described in the included
                    948: INSTALL.amd64 document.
1.7       bentley   949:
1.1       beck      950: <p>
                    951: If you are planning to dual boot OpenBSD with another OS, you will need to
                    952: read INSTALL.amd64.
                    953:
1.7       bentley   954: <h3>OpenBSD/arm64:</h3>
1.1       beck      955:
1.7       bentley   956: <p>
1.1       beck      957: Write <i>miniroot66.fs</i> to a disk and boot from it after connecting
                    958: to the serial console.  Refer to INSTALL.arm64 for more details.
                    959:
1.7       bentley   960: <h3>OpenBSD/armv7:</h3>
1.1       beck      961:
1.7       bentley   962: <p>
1.1       beck      963: Write a system specific miniroot to an SD card and boot from it after connecting
                    964: to the serial console.  Refer to INSTALL.armv7 for more details.
                    965:
1.7       bentley   966: <h3>OpenBSD/hppa:</h3>
1.1       beck      967:
1.7       bentley   968: <p>
1.1       beck      969: Boot over the network by following the instructions in INSTALL.hppa or the
                    970: <a href="hppa.html#install">hppa platform page</a>.
                    971:
1.7       bentley   972: <h3>OpenBSD/i386:</h3>
1.1       beck      973:
1.7       bentley   974: <p>
1.1       beck      975: If your machine can boot from CD, you can write <i>install66.iso</i> or
                    976: <i>cd66.iso</i> to a CD and boot from it.
                    977: You may need to adjust your BIOS options first.
1.7       bentley   978:
1.1       beck      979: <p>
                    980: If your machine can boot from USB, you can write <i>install66.fs</i> or
                    981: <i>miniroot66.fs</i> to a USB stick and boot from it.
1.7       bentley   982:
1.1       beck      983: <p>
                    984: If you can't boot from a CD, floppy disk, or USB,
                    985: you can install across the network using PXE as described in
                    986: the included INSTALL.i386 document.
1.7       bentley   987:
1.1       beck      988: <p>
                    989: If you are planning on dual booting OpenBSD with another OS, you will need to
                    990: read INSTALL.i386.
                    991:
1.7       bentley   992: <h3>OpenBSD/landisk:</h3>
1.1       beck      993:
1.7       bentley   994: <p>
1.1       beck      995: Write <i>miniroot66.fs</i> to the start of the CF
                    996: or disk, and boot normally.
                    997:
1.7       bentley   998: <h3>OpenBSD/loongson:</h3>
1.1       beck      999:
1.7       bentley  1000: <p>
1.1       beck     1001: Write <i>miniroot66.fs</i> to a USB stick and boot bsd.rd from it
                   1002: or boot bsd.rd via tftp.
                   1003: Refer to the instructions in INSTALL.loongson for more details.
                   1004:
1.7       bentley  1005: <h3>OpenBSD/luna88k:</h3>
1.1       beck     1006:
1.7       bentley  1007: <p>
                   1008: Copy 'boot' and 'bsd.rd' to a Mach or UniOS partition, and boot the bootloader
1.1       beck     1009: from the PROM, and then bsd.rd from the bootloader.
                   1010: Refer to the instructions in INSTALL.luna88k for more details.
                   1011:
1.7       bentley  1012: <h3>OpenBSD/macppc:</h3>
1.1       beck     1013:
1.7       bentley  1014: <p>
1.1       beck     1015: Burn the image from a mirror site to a CDROM, and power on your machine
                   1016: while holding down the <i>C</i> key until the display turns on and
                   1017: shows <i>OpenBSD/macppc boot</i>.
1.7       bentley  1018:
1.1       beck     1019: <p>
                   1020: Alternatively, at the Open Firmware prompt, enter <i>boot cd:,ofwboot
                   1021: /6.6/macppc/bsd.rd</i>
                   1022:
1.7       bentley  1023: <h3>OpenBSD/octeon:</h3>
1.1       beck     1024:
1.7       bentley  1025: <p>
1.1       beck     1026: After connecting a serial port, boot bsd.rd over the network via DHCP/tftp.
                   1027: Refer to the instructions in INSTALL.octeon for more details.
                   1028:
1.7       bentley  1029: <h3>OpenBSD/sparc64:</h3>
1.1       beck     1030:
1.7       bentley  1031: <p>
1.1       beck     1032: Burn the image from a mirror site to a CDROM, boot from it, and type
                   1033: <i>boot cdrom</i>.
1.7       bentley  1034:
1.1       beck     1035: <p>
                   1036: If this doesn't work, or if you don't have a CDROM drive, you can write
                   1037: <i>floppy66.fs</i> or <i>floppyB66.fs</i>
                   1038: (depending on your machine) to a floppy and boot it with <i>boot
                   1039: floppy</i>. Refer to INSTALL.sparc64 for details.
1.7       bentley  1040:
1.1       beck     1041: <p>
                   1042: Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install
                   1043: will most likely fail.
1.7       bentley  1044:
1.1       beck     1045: <p>
                   1046: You can also write <i>miniroot66.fs</i> to the swap partition on
                   1047: the disk and boot with <i>boot disk:b</i>.
1.7       bentley  1048:
1.1       beck     1049: <p>
                   1050: If nothing works, you can boot over the network as described in INSTALL.sparc64.
1.7       bentley  1051: </section>
1.1       beck     1052:
                   1053: <hr>
                   1054:
1.7       bentley  1055: <section id=upgrade>
                   1056: <h3>How to upgrade</h3>
                   1057: <p>
1.1       beck     1058: If you already have an OpenBSD 6.5 system, and do not want to reinstall,
                   1059: upgrade instructions and advice can be found in the
                   1060: <a href="faq/upgrade66.html">Upgrade Guide</a>.
1.7       bentley  1061: </section>
1.1       beck     1062:
                   1063: <hr>
                   1064:
1.7       bentley  1065: <section id=sourcecode>
                   1066: <h3>Notes about the source code</h3>
                   1067: <p>
                   1068: <code>src.tar.gz</code> contains a source archive starting at <code>/usr/src</code>.
1.1       beck     1069: This file contains everything you need except for the kernel sources,
                   1070: which are in a separate archive.
                   1071: To extract:
                   1072: <blockquote><pre>
1.7       bentley  1073: # <kbd>mkdir -p /usr/src</kbd>
                   1074: # <kbd>cd /usr/src</kbd>
                   1075: # <kbd>tar xvfz /tmp/src.tar.gz</kbd>
1.1       beck     1076: </pre></blockquote>
1.7       bentley  1077: <p>
                   1078: <code>sys.tar.gz</code> contains a source archive starting at <code>/usr/src/sys</code>.
1.1       beck     1079: This file contains all the kernel sources you need to rebuild kernels.
                   1080: To extract:
                   1081: <blockquote><pre>
1.7       bentley  1082: # <kbd>mkdir -p /usr/src/sys</kbd>
                   1083: # <kbd>cd /usr/src</kbd>
                   1084: # <kbd>tar xvfz /tmp/sys.tar.gz</kbd>
1.1       beck     1085: </pre></blockquote>
1.7       bentley  1086: <p>
1.1       beck     1087: Both of these trees are a regular CVS checkout.  Using these trees it
                   1088: is possible to get a head-start on using the anoncvs servers as
                   1089: described <a href="anoncvs.html">here</a>.
                   1090: Using these files
                   1091: results in a much faster initial CVS update than you could expect from
                   1092: a fresh checkout of the full OpenBSD source tree.
1.7       bentley  1093: </section>
1.1       beck     1094:
                   1095: <hr>
                   1096:
1.7       bentley  1097: <section id=ports>
                   1098: <h3>Ports Tree</h3>
                   1099: <p>
1.1       beck     1100: A ports tree archive is also provided.  To extract:
                   1101: <blockquote><pre>
1.7       bentley  1102: # <kbd>cd /usr</kbd>
                   1103: # <kbd>tar xvfz /tmp/ports.tar.gz</kbd>
1.1       beck     1104: </pre></blockquote>
1.7       bentley  1105: <p>
1.1       beck     1106: Go read the <a href="faq/ports/index.html">ports</a> page
                   1107: if you know nothing about ports
                   1108: at this point.  This text is not a manual of how to use ports.
                   1109: Rather, it is a set of notes meant to kickstart the user on the
                   1110: OpenBSD ports system.
                   1111: <p>
                   1112: The <i>ports/</i> directory represents a CVS checkout of our ports.
                   1113: As with our complete source tree, our ports tree is available via
                   1114: <a href="anoncvs.html">AnonCVS</a>.
                   1115: So, in order to keep up to date with the -stable branch, you must make
                   1116: the <i>ports/</i> tree available on a read-write medium and update the tree
                   1117: with a command like:
                   1118: <blockquote><pre>
1.7       bentley  1119: # <kbd>cd /usr/ports</kbd>
1.15      jsg      1120: # <kbd>cvs -d anoncvs@server.openbsd.org:/cvs update -Pd -rOPENBSD_6_6</kbd>
1.1       beck     1121: </pre></blockquote>
1.7       bentley  1122: <p>
1.1       beck     1123: [Of course, you must replace the server name here with a nearby anoncvs
                   1124: server.]
                   1125: <p>
                   1126: Note that most ports are available as packages on our mirrors. Updated
                   1127: ports for the 6.6 release will be made available if problems arise.
                   1128: <p>
                   1129: If you're interested in seeing a port added, would like to help out, or just
                   1130: would like to know more, the mailing list
                   1131: <a href="mail.html">ports@openbsd.org</a> is a good place to know.
1.7       bentley  1132: </section>