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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

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<head>

<title>OpenBSD 3.6</title>

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3.6

</h2>

<table>

<tr>

<td>

<img align="left" width="255" height="343" hspace="24"

<img width="255" height="343"

src="images/Ponderosa.jpg" alt="OpenBSD 3.6 logo"></a>

src="images/Ponderosa.jpg" alt="Ponderosa"></a>

<p>

<td>

Released November 1, 2004<br>

<br>

3.6 Song: <a href="lyrics.html#36">"Pond-erosa Puff (live)"</a>

<br>

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<ul>

<li>See the information on <a href="ftp.html">The FTP page</a> for

a list of mirror machines.

<li>Go to the <font color="#e00000">pub/OpenBSD/3.6/</font> directory on

<li>Go to the <code class=reldir>pub/OpenBSD/3.6/</code> directory on

one of the mirror sites.

<li>Have a look at <a href="errata36.html">The 3.6 Errata page</a> for a list

of bugs and workarounds.

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All applicable copyrights and credits are in the src.tar.gz,

sys.tar.gz, xenocara.tar.gz, ports.tar.gz files, or in the

files fetched via ports.tar.gz.

</table>

<hr>

<p>

<p>

This is a partial list of new features and systems included in OpenBSD 3.6.

For a comprehensive list, see the <a href="plus36.html">changelog</a> leading

to 3.6.

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<li>New functionality:

<ul>

<li>A cleaned up DHCP

<a href="https://man.openbsd.org/?query=dhcpd&sektion=8">server</a>

<a href="https://man.openbsd.org/dhcpd.8">server</a>

and

<a href="https://man.openbsd.org/?query=dhclient&sektion=8">client</a>

<a href="https://man.openbsd.org/dhclient.8">client</a>

implementation, now featuring privilege separation and safe defaults.

<li>A new

<a href="https://man.openbsd.org/?query=ntpd&sektion=8">NTP

<a href="https://man.openbsd.org/ntpd.8">NTP

daemon</a> written from scratch, which ought to fit the needs of most NTP users.

<li><a href="https://man.openbsd.org/?query=pfctl&sektion=8">pfctl(8)</a>

<li><a href="https://man.openbsd.org/pfctl.8">pfctl(8)</a>

now provides a <i>rules optimizer</i> to help improve filtering speed.

<li>The packet filter,

<a href="https://man.openbsd.org/?query=pf&sektion=4">pf(4)</a>,

<a href="https://man.openbsd.org/pf.4">pf(4)</a>,

now supports nested anchors.

<li><a href="https://man.openbsd.org/?query=tcpdrop&sektion=8">tcpdrop(8)</a>,

<li><a href="https://man.openbsd.org/tcpdrop.8">tcpdrop(8)</a>,

a command to drop TCP connections.

<li>The NMBCLUSTERS option has been eliminated, replaced by a sysctl

with higher default values on many platforms.

<li>Added support for cksum (three flavours), md4, sha256, sha384 and sha512 to

the <a href="https://man.openbsd.org/?query=md5&sektion=1">md5(1)</a>

the <a href="https://man.openbsd.org/md5.1">md5(1)</a>

command.

<li>Memory file systems created by the

<a href="https://man.openbsd.org/?query=mount_mfs&sektion=8">mount_mfs(8)</a>

<a href="https://man.openbsd.org/mount_mfs.8">mount_mfs(8)</a>

command now can be populated immediately after creation.

<li>New

<a href="https://man.openbsd.org/?query=hotplugd&sektion=8&arch=i386">hotplugd(8)</a>

<a href="https://man.openbsd.org/i386/hotplugd.8">hotplugd(8)</a>

daemon and

<a href="https://man.openbsd.org/?query=hotplug&sektion=4">hotplug(4)</a>

<a href="https://man.openbsd.org/hotplug.4">hotplug(4)</a>

device that watch for newly attached devices.

<li><a href="https://man.openbsd.org/?query=isakmpd&sektion=8">isakmpd(8)</a> now supports NAT-traversal and Dead Peer Detection (RFC 3706).

<li><a href="https://man.openbsd.org/isakmpd.8">isakmpd(8)</a> now supports NAT-traversal and Dead Peer Detection (RFC 3706).

<li><a href="https://man.openbsd.org/?query=strtonum&sektion=3">strtonum(3)</a>,

<li><a href="https://man.openbsd.org/strtonum.3">strtonum(3)</a>,

a simple, robust and therefore safe function to convert strings to numbers, has

been added.

<li>On the <a href="sparc.html">OpenBSD/sparc</a> platform, StackGhost buffer

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<li>Improved hardware support, including:

<ul>

<li>Sangoma T1 and E1 cards

(<a href="https://man.openbsd.org/?query=san&sektion=4">san(4)</a>).

(<a href="https://man.openbsd.org/san.4">san(4)</a>).

<li>Jumbo frames are now working reliably on

<a href="https://man.openbsd.org/?query=em&sektion=4">em(4)</a>,

<a href="https://man.openbsd.org/em.4">em(4)</a>,

<a href="https://man.openbsd.org/?query=sk&sektion=4">sk(4)</a>,

<a href="https://man.openbsd.org/sk.4">sk(4)</a>,

and

adapters.

<li>USB 2.0

(<a href="https://man.openbsd.org/?query=ehci&sektion=4">ehci(4)</a>)

(<a href="https://man.openbsd.org/ehci.4">ehci(4)</a>)

controllers.

<li>AIC79xx-based Ultra320 SCSI adapters, such as the Adaptec 29320 and

39320

(<a href="https://man.openbsd.org/?query=ahd&sektion=4">ahd(4)</a>).

(<a href="https://man.openbsd.org/ahd.4">ahd(4)</a>).

<li>The i386 and amd64 CD bootloader code no longer emulates a floppy which improves the chances

of booting on newer machines.

driver for ADMtek ADM8211 802.11b wireless adapters.

driver for ASIX Electronics AX88172 USB Ethernet adapters.

driver for Ethernet over USB bridges.

<li>New <a href="https://man.openbsd.org/?query=ichpcib&sektion=4&arch=i386">ichpcib(4)</a>

<li>New <a href="https://man.openbsd.org/i386/ichpcib.4">ichpcib(4)</a>

driver for Intel ICHx/ICHx-M LPC PCI-ISA bridges.

<li>New <a href="https://man.openbsd.org/?query=gscpcib&sektion=4&arch=i386">gscpcib(4)</a>

<li>New <a href="https://man.openbsd.org/i386/gscpcib.4">gscpcib(4)</a>

driver for National Semiconductor Geode SC1100 PCI-ISA bridges.

driver for Inter IC (I2C) master/slave buses.

<li>New <a href="https://man.openbsd.org/?query=lmtemp&sektion=4">lmtemp(4)</a>

<li>New <a href="https://man.openbsd.org/lmtemp.4">lmtemp(4)</a>

driver for National Semiconductor LM75/LM77 temperature sensors.

<li>New <a href="https://man.openbsd.org/?query=gscsio&sektion=4">gscsio(4)</a>

<li>New <a href="https://man.openbsd.org/gscsio.4">gscsio(4)</a>

driver for National Semiconductor Geode SC1100 Super I/O chips.

driver and accompanying

<a href="https://man.openbsd.org/?query=gpioctl&sektion=8&arch=i386">gpioctl(8)</a>

<a href="https://man.openbsd.org/i386/gpioctl.8">gpioctl(8)</a>

utility for supporting General Purpose Input/Output.

<li>New <a href="https://man.openbsd.org/?query=mediabay&sektion=4&arch=macppc">mediabay(4)</a>

<li>New <a href="https://man.openbsd.org/macppc/mediabay.4">mediabay(4)</a>

macppc driver for the ATA33 HD controller over removable CD.

driver for Realtek 8169/8169S/8110S PCI Ethernet adapters.

<li>hw.setperf sysctl hooks for PowerNow in AMD K6 and K7 processors.

</ul>

<p>

<li>New functionality for <a href="https://man.openbsd.org/?query=bgpd&sektion=8&amp">bgpd(8)</a>,

<li>New functionality for <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>,

the Border Gateway Protocol Daemon:

<ul>

<li>Kernel memory management improvements now allow the full global

routing table to be kept in memory without customizing or tuning.

<li>Support for adding received prefixes to a <a href="https://man.openbsd.org/?query=pf&sektion=4&amp">pf(4)</a> table.

<li>Support for adding received prefixes to a <a href="https://man.openbsd.org/pf.4">pf(4)</a> table.

<li>Support for IPsec, both manually keyed and using IKE.

<li>Support for setting BGP communities (RFC1997) on incoming and outbound

UPDATES.

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<li>Privilege separation or revocation for the following programs:

<ul>

<li><a href="https://man.openbsd.org/?query=pppoe&sektion=8">pppoe(8)</a>

<li><a href="https://man.openbsd.org/pppoe.8">pppoe(8)</a>

<li><a href="https://man.openbsd.org/?query=rbootd&sektion=8">rbootd(8)</a>

<li><a href="https://man.openbsd.org/rbootd.8">rbootd(8)</a>

<li><a href="https://man.openbsd.org/?query=dhcrelay&sektion=8">dhcrelay(8)</a>,

<li><a href="https://man.openbsd.org/dhcrelay.8">dhcrelay(8)</a>,

<a href="https://man.openbsd.org/?query=dhclient&sektion=8">dhclient(8)</a>,

<a href="https://man.openbsd.org/dhclient.8">dhclient(8)</a>,

and

<a href="https://man.openbsd.org/?query=dhcpd&sektion=8">dhcpd(8)</a>

<a href="https://man.openbsd.org/dhcpd.8">dhcpd(8)</a>

</ul>

<p>

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<li>OpenSSH 3.9:

<ul>

<li>

now re-executes itself on accepting a new connection. This security

measure ensures that all execute-time randomizations are reapplied for each

connection rather than once, for the master process' lifetime. This includes

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<li>XFree86 4.4.0 unencumbered (+ patches, and i386 contains 3.3.6 servers

(+ patches) for legacy chipsets not supported by 4.4)

<li>Gcc 2.95.3

(+ <a href="https://man.openbsd.org/?query=gcc-local&sektion=1">patches</a>)

(+ <a href="https://man.openbsd.org/gcc-local.1">patches</a>)

and 3.3.2

(+ <a href="https://man.openbsd.org/?query=gcc-local&sektion=1">patches</a>)

(+ <a href="https://man.openbsd.org/gcc-local.1">patches</a>)

<li>Perl 5.8.5 (+ patches)

<li>Apache 1.3.29, mod_ssl 2.8.16, DSO support (+ patches)

<li>OpenSSL 0.9.7d (+ patches)

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<p>

</ul>

</section>

<hr>

<h3>How to install</h3>

<p>

<h3><font color="#0000e0">How to install</font></h3>

<p>

Following this are the instructions which you would have on a piece of

paper if you had purchased a CDROM set instead of doing an alternate

form of install. The instructions for doing an ftp (or other style

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</ul>

<hr>

<p>

Quick installer information for people familiar with OpenBSD, and the

use of the "disklabel -E" command. If you are at all confused when

installing OpenBSD, read the relevant INSTALL.* file as listed above!

<p>

<h3><font color="#e00000">OpenBSD/i386:</font></h3>

<h3>OpenBSD/i386:</h3>

<ul>

<p>

Play with your BIOS options to enable booting from a CD. The OpenBSD/i386

release is on CD1. If your BIOS does not support booting from CD, you will need

to create a boot floppy to install from. To create a boot floppy write

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<p>

To make a boot floppy under MS-DOS, use the "rawrite" utility located

at <i>CD1:3.6/tools/rawrite.exe</i>. To make the boot floppy under a Unix OS,

use the <a href="https://man.openbsd.org/?query=

use the <a href="https://man.openbsd.org/dd.1">dd(1)</a>

dd&sektion=1">dd(1)</a> utility. The following is an example usage of

utility. The following is an example usage of

<a href="https://man.openbsd.org/?query=dd&sektion=1">dd(1)

<a href="https://man.openbsd.org/dd.1">dd(1)

</a>, where the device could be "floppy", "rfd0c", or

"rfd0a".

# <strong>dd if=<file> of=/dev/<device> bs=32k</strong>

# <kbd>dd if=<file> of=/dev/<device> bs=32k</kbd>

</pre></ul>

</pre></blockquote>

<p>

Make sure you use properly formatted perfect floppies with NO BAD BLOCKS or

your install will most likely fail. For more information on creating a boot

floppy and installing OpenBSD/i386 please refer to

<a href="faq/faq4.html#MkFlop">this page</a>.

</ul>

<h3>OpenBSD/vax:</h3>

<p>

<h3><font color="#e00000">OpenBSD/vax:</font></h3>

<ul>

Boot over the network via mopbooting as described in INSTALL.vax.

</ul>

<h3>OpenBSD/amd64:</h3>

<p>

<h3><font color="#e00000">OpenBSD/amd64:</font></h3>

<ul>

The 3.6 release of OpenBSD/amd64 is located on CD2.

Boot from the CD to begin the install - you may need to adjust

your BIOS options first.

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<p>

If you are planning to dual boot OpenBSD with another OS, you will need to

read INSTALL.amd64.

</ul>

<h3>OpenBSD/macppc:</h3>

<p>

<h3><font color="#e00000">OpenBSD/macppc:</font></h3>

<ul>

Put the CD2 in your CDROM drive and poweron your machine while holding down the

<i>C</i> key until the display turns on and shows <i>OpenBSD/macppc boot</i>.

<p>

Alternatively, at the Open Firmware prompt, enter <i>boot cd:,ofwboot

/3.6/macppc/bsd.rd</i>

</ul>

<h3>OpenBSD/sparc:</h3>

<p>

<h3><font color="#e00000">OpenBSD/sparc:</font></h3>

<ul>

The 3.6 release of OpenBSD/sparc is located on CD3. To boot off of this CD you

can use one of the two commands listed below, depending on the version of your

ROM.

ok <strong>boot cdrom 3.6/sparc/bsd.rd</strong>

ok <kbd>boot cdrom 3.6/sparc/bsd.rd</kbd>

> <strong>b sd(0,6,0)3.6/sparc/bsd.rd</strong>

> <kbd>b sd(0,6,0)3.6/sparc/bsd.rd</kbd>

</pre></ul>

</pre></blockquote>

<p>

If your SPARC system does not have a CD drive, you can alternatively boot from floppy.

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the floppy use one of the two commands listed below, depending on the version of

your ROM.

ok <strong>boot floppy</strong>

ok <kbd>boot floppy</kbd>

> <strong>boot fd()</strong>

> <kbd>boot fd()</kbd>

</pre></ul>

</pre></blockquote>

<p>

Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install

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If your SPARC system doesn't have a floppy drive nor a CD drive, you can either

setup a bootable tape, or install via network, as told in the

INSTALL.sparc file.

</ul>

<h3>OpenBSD/sparc64:</h3>

<p>

<h3><font color="#e00000">OpenBSD/sparc64:</font></h3>

<ul>

Put the CD3 in your CDROM drive and type <i>boot cdrom</i>.

<p>

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<p>

If nothing works, you can boot over the network as described in INSTALL.sparc64

</ul>

<h3>OpenBSD/alpha:</h3>

<p>

<h3><font color="#e00000">OpenBSD/alpha:</font></h3>

Write <i>FTP:3.6/alpha/floppy36.fs</i> or

<ul>

<p>Write <i>FTP:3.6/alpha/floppy36.fs</i> or

<i>FTP:3.6/alpha/floppyB36.fs</i> (depending on your machine) to a diskette and

enter <i>boot dva0</i>. Refer to INSTALL.alpha for more details.

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Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install

will most likely fail.

</ul>

<h3>OpenBSD/cats:</h3>

<p>

<h3><font color="#e00000">OpenBSD/cats:</font></h3>

<ul>

<p>

After updating the firmware to at least ABLE 1.95 if necessary, boot

<i>FTP:3.6/cats/bsd.rd</i> from an ABLE-supported device (such as a CD-ROM

or an existing FFS or EXT2FS partition).

</ul>

<h3>OpenBSD/hp300:</h3>

<p>

<h3><font color="#e00000">OpenBSD/hp300:</font></h3>

<ul>

<p>

Boot over the network by following the instructions in INSTALL.hp300.

</ul>

<h3>OpenBSD/hppa:</h3>

<p>

<h3><font color="#e00000">OpenBSD/hppa:</font></h3>

<ul>

<p>

Boot over the network by following the instructions in INSTALL.hppa or the

<a href="hppa.html#install">hppa platform page</a>.

</ul>

<h3>OpenBSD/luna88k:</h3>

<p>

<h3><font color="#e00000">OpenBSD/luna88k:</font></h3>

<ul>

<p>

Copy bsd.rd to a Mach or UniOS partition, and boot it from the PROM.

Alternatively, you can create a bootable tape and boot from it. Refer to

the instructions in INSTALL.luna88k for more details.

</ul>

<h3>OpenBSD/mac68k:</h3>

<p>

<h3><font color="#e00000">OpenBSD/mac68k:</font></h3>

<ul>

<p>

Boot MacOS as normal and partition your disk with the appropriate A/UX

configurations. Then, extract the Macside utilities from

<i>FTP:3.6/mac68k/utils</i> onto your hard disk. Run Mkfs to create your

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"BSD/Mac68k Installer" to copy all the sets in <i>FTP:3.6/mac68k/</i> onto your

partitions. Finally, you will be ready to configure the "BSD/Mac68k

Booter" with the location of your kernel and boot the system.

</ul>

<h3>OpenBSD/mvme68k:</h3>

<p>

<h3><font color="#e00000">OpenBSD/mvme68k:</font></h3>

<ul>

<p>

You can create a bootable installation tape or boot over the network.<br>

The network boot requires a MVME68K BUG version that supports the <i>NIOT</i>

and <i>NBO</i> debugger commands. Follow the instructions in INSTALL.mvme68k

for more details.

</ul>

<h3>OpenBSD/mvme88k:</h3>

<p>

<h3><font color="#e00000">OpenBSD/mvme88k:</font></h3>

<ul>

<p>

You can create a bootable installation tape or boot over the network.<br>

The network boot requires a MVME88K BUG version that supports the <i>NIOT</i>

and <i>NBO</i> debugger commands. Follow the instructions in INSTALL.mvme88k

for more details.

</ul>

</section>

<h3>Notes about the source code:</h3>

<p>

<h3><font color="#e00000">Notes about the source code:</font></h3>

<ul>

src.tar.gz contains a source archive starting at /usr/src. This file

contains everything you need except for the kernel sources, which are

in a separate archive. To extract:

# <kbd>mkdir -p /usr/src</kbd>

# <kbd>cd /usr/src</kbd>

# <kbd>tar xvfz /tmp/src.tar.gz</kbd>

</pre></blockquote>

<p>

# <strong>mkdir -p /usr/src</strong>

# <strong>cd /usr/src</strong>

# <strong>tar xvfz /tmp/src.tar.gz</strong>

</pre></ul>

<p>

sys.tar.gz contains a source archive starting at /usr/src/sys.

This file contains all the kernel sources you need to rebuild kernels.

To extract:

# <kbd>mkdir -p /usr/src/sys</kbd>

# <kbd>cd /usr/src</kbd>

# <kbd>tar xvfz /tmp/sys.tar.gz</kbd>

</pre></blockquote>

<p>

# <strong>mkdir -p /usr/src/sys</strong>

# <strong>cd /usr/src</strong>

# <strong>tar xvfz /tmp/sys.tar.gz</strong>

</pre></ul>

<p>

Both of these trees are a regular CVS checkout. Using these trees it

is possible to get a head-start on using the anoncvs servers as

described <a href="anoncvs.html">here</a>.

Using these files

results in a much faster initial CVS update than you could expect from

a fresh checkout of the full OpenBSD source tree.

<p>

</ul>

</section>

<hr>

<h3>How to upgrade</h3>

<p>

<h3><font color="#0000e0">How to upgrade</font></h3>

<p>

If you already have an OpenBSD 3.5 system, and do not want to reinstall,

upgrade instructions and advice can be found in the

<a href="faq/upgrade36.html">Upgrade Guide</a>.

</section>

<hr>

<h3>Ports Tree</h3>

<p>

<h3><font color="#0000e0">Ports Tree</font></h3>

<p>

A ports tree archive is also provided. To extract:

<p>

# <strong>cd /usr</strong>

# <kbd>cd /usr</kbd>

# <strong>tar xvfz /tmp/ports.tar.gz</strong>

# <kbd>tar xvfz /tmp/ports.tar.gz</kbd>

# <strong>cd ports</strong>

# <kbd>cd ports</kbd>

</pre></ul>

</pre></blockquote>

<p>

The <i>ports/</i> subdirectory is a checkout of the OpenBSD ports tree. Go

read the <a href="faq/faq15.html">ports</a> page

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OpenBSD ports system.

<p>

The <i>ports/</i> directory represents a CVS (see the manpage for

cvs(1)</a> if

you aren't familiar with CVS) checkout of our ports. As with our complete

source tree, our ports tree is available via anoncvs. So, in

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available on a read-write medium and update the tree with a command

like:

<p>

# <strong>cd [portsdir]/; cvs -d anoncvs@server.openbsd.org:/cvs update -Pd -rOPENBSD_3_6</strong>

# <kbd>cd [portsdir]/; cvs -d anoncvs@server.openbsd.org:/cvs update -Pd -rOPENBSD_3_6</kbd>

</pre></ul>

</pre></blockquote>

<p>

[Of course, you must replace the local directory and server name here

with the location of your ports collection and a nearby anoncvs

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If you're interested in seeing a port added, would like to help out, or just

would like to know more, the mailing list ports@openbsd.org is a good

place to know.

<p>

</section>

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