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<!doctype html>

<html>

<head>

<title>OpenBSD 6.4</title>

</head>

<h2>

6.4

</h2>

<table>

<tr>

<td>

<td>

Released Oct 18, 2018<br>

<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/6.4/</font> directory on

<li>Go to the <code class=reldir>pub/OpenBSD/6.4/</code> directory on

one of the mirror sites.

<li>Have a look at <a href="errata64.html">the 6.4 errata page</a> for a list

of bugs and workarounds.

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

pubkeys for this release:<p>

<td>

openbsd-64-base.pub:

</td><td>

<td>

RWQq6XmS4eDAcQW4KsT5Ka0KwTQp2JMOP9V/DR4HTVOL5Bc0D7LeuPwA

</td></tr><tr><td>

openbsd-64-fw.pub:

</td><td>

<td>

RWRoBbjnosJ/39llpve1XaNIrrQND4knG+jSBeIUYU8x4WNkxz6a2K97

</td></tr><tr><td>

openbsd-64-pkg.pub:

</td><td>

<td>

RWRF5TTY+LoN/51QD5kM2hKDtMTzycQBBPmPYhyQEb1+4pff/H6fh/kA

</td></tr>

</table>

</ul>

<p>

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.

</ul>

</table>

<hr>

<p>

This is a partial list of new features and systems included in OpenBSD 6.4.

For a comprehensive list, see the <a href="plus64.html">changelog</a> leading

to 6.4.

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

</ul>

<p>

<li><a href="https://man.openbsd.org/amd64/vmm.4">vmm(4)</a> and

<a href="https://man.openbsd.org/amd64/vmd.8">vmd(8)</a> improvements:

<ul>

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along with general cleanups.

<li>Various bug fixes and improvements.

</ul>

<p>

<li>IEEE 802.11 wireless stack improvements:

<ul>

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

scan performance has been improved for many devices.

</ul>

<p>

<li>Generic network stack improvements:

<ul>

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interface for the MikroTik Ethernet over IP (EoIP)

encapsulation protocol.

</ul>

<p>

<li>Installer improvements:

<ul>

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now creates a /usr/local partition with a maximum size of 20G when

using automatic disk allocation.

</ul>

<p>

<li>Security improvements:

<ul>

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

improved defence against user enumeration attacks.

</ul>

<p>

<li>Routing daemons and other userland network improvements:

<ul>

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parsing routines and corner case fixes around table and anchor

handling.

<li><a href="https://man.openbsd.org/route.8">route(8)</a> now errors out

on bad <tt>-netmask/-prefixlen</tt> usage instead of configuring

on bad <code>-netmask/-prefixlen</code> usage instead of configuring

ambiguous routes.

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

now adds a direct route to the default route gateway when the

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<a href="https://man.openbsd.org/dhclient.leases.5">dhclient.leases(5)</a>

for interfaces that cannot report their link status.

</ul>

<p>

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

<ul>

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<li>Better support and bugfixes for multiple bgpd processes

running in different rdomains.

</ul>

<p>

<li>Assorted improvements:

<ul>

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scrollback.

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

gained support for permanent A records, similiar to

<tt>local-data</tt>

<code>local-data</code>

supported by

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

<li>New

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the EFI framebuffer early to use a write combining mapping, speeding

things up considerably.

</ul>

<p>

<li>OpenSMTPD

<ul>

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command line client has been added.

<li>Assorted documentation improvements, cleanups and minor bug fixes.

</ul>

<p>

<li><a href="https://www.openssh.com/releasenotes.html#7.9">OpenSSH 7.9</a>

<ul>

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authentication using certificates hosted in

a <a href="http://man.openbsd.org/ssh-agent.1">ssh-agent(1)</a> or

against <a href="http://man.openbsd.org/sshd.8">sshd(8)</a>

from OpenSSH <7.8.

</ul>

<p>

<li>LibreSSL 2.8.2

<ul>

<li>API and Documentation Enhancements

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generation.

</ul>

<p>

<li>Mandoc 1.14.4

<ul>

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and GNU man-ext features.

Mandoc can now format the manuals of the groff port.

</ul>

<p>

<li>Ports and packages:

<li><p>Ports and packages:

<ul>

<li><a href="https://man.openbsd.org/update-plist.1">update-plist(1)</a>

has been entirely rewritten and now figures out MULTI_PACKAGES and

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included in the base install and are therefore readable without the

ports tree.

</ul>

<dl>

<dt>Many pre-built packages for each architecture:

<p>Many pre-built packages for each architecture:

</dl>

<tr>

<ul>

<li>aarch64: 8319

<li>amd64: 10304

<li>arm: 8324

</ul></td><td valign=top width="25%"><ul>

<li>i386: 10230

<li>mips64: 7181

<li>mips64el: 7255

</ul></td><td valign=top width="25%"><ul>

<li>powerpc: 8737

<li>sparc64: 7327

</ul></td></tr></table>

</ul>

<p>

<dl>

<p>Some highlights:

<dt>Some highlights:

</dl>

<tr>

<li>AFL 2.52b

<li>CMake 3.10.2

<li>Chromium 69.0.3497.100

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<li>Mono 5.14.0.177

<li>Mozilla Firefox 60.2.2esr and 62.0.3

<li>Mozilla Thunderbird 60.2.1

</ul></td><td valign=top width="50%"><ul>

<li>Mutt 1.10.1 and NeoMutt 20180716

<li>Node.js 8.12.0

<li>OCaml 4.03.0

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<li>TeX Live 2017

<li>Vim 8.1.438

<li>Xfce 4.12

</ul></td></tr></table>

</ul>

<p>

<li>As usual, steady improvements in manual pages and other documentation.

<p>

<li>The system includes the following major components from outside suppliers:

<ul>

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<li>Expat 2.2.6

</ul>

</section>

<hr>

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

<h3>How to install</h3>

Please refer to the following files on the mirror site for

extensive details on how to install OpenBSD 6.4 on your machine:

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<hr>

<p>

Quick installer information for people familiar with OpenBSD, and the use of

the "<a href="https://man.openbsd.org/disklabel.8">disklabel</a> -E" command.

If you are at all confused when installing OpenBSD, read the relevant

INSTALL.* file as listed above!

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

<h3>OpenBSD/alpha:</h3>

<p>

<li>

Write <i>floppy64.fs</i> or <i>floppyB64.fs</i> (depending on your machine)

to a diskette and enter <i>boot dva0</i>.

Refer to INSTALL.alpha for more details.

<p>

<li>

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

will most likely fail.

</ul>

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

<h3>OpenBSD/amd64:</h3>

<p>

<li>

If your machine can boot from CD, you can write <i>install64.iso</i> or

<i>cd64.iso</i> to a CD and boot from it.

You may need to adjust your BIOS options first.

<p>

<li>

If your machine can boot from USB, you can write <i>install64.fs</i> or

<i>miniroot64.fs</i> to a USB stick and boot from it.

<p>

<li>

If you can't boot from a CD, floppy disk, or USB,

you can install across the network using PXE as described in the included

INSTALL.amd64 document.

<p>

<li>

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

read INSTALL.amd64.

</ul>

<h3><font color="#e00000">OpenBSD/arm64:</font></h3>

<h3>OpenBSD/arm64:</h3>

<p>

<li>

Write <i>miniroot64.fs</i> to a disk and boot from it after connecting

to the serial console. Refer to INSTALL.arm64 for more details.

<p>

</ul>

<h3><font color="#e00000">OpenBSD/armv7:</font></h3>

<h3>OpenBSD/armv7:</h3>

<p>

<li>

Write a system specific miniroot to an SD card and boot from it after connecting

to the serial console. Refer to INSTALL.armv7 for more details.

<p>

</ul>

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

<h3>OpenBSD/hppa:</h3>

<p>

<li>

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

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

</ul>

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

<h3>OpenBSD/i386:</h3>

<p>

<li>

If your machine can boot from CD, you can write <i>install64.iso</i> or

<i>cd64.iso</i> to a CD and boot from it.

You may need to adjust your BIOS options first.

<p>

<li>

If your machine can boot from USB, you can write <i>install64.fs</i> or

<i>miniroot64.fs</i> to a USB stick and boot from it.

<p>

<li>

If you can't boot from a CD, floppy disk, or USB,

you can install across the network using PXE as described in

the included INSTALL.i386 document.

<p>

<li>

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

read INSTALL.i386.

</ul>

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

<h3>OpenBSD/landisk:</h3>

<p>

<li>

Write <i>miniroot64.fs</i> to the start of the CF

or disk, and boot normally.

</ul>

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

<h3>OpenBSD/loongson:</h3>

<p>

<li>

Write <i>miniroot64.fs</i> to a USB stick and boot bsd.rd from it

or boot bsd.rd via tftp.

Refer to the instructions in INSTALL.loongson for more details.

</ul>

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

<h3>OpenBSD/luna88k:</h3>

<p>

<li>

Copy 'boot' and 'bsd.rd' to a Mach or UniOS partition, and boot the bootloader

Copy `boot' and `bsd.rd' to a Mach or UniOS partition, and boot the bootloader

from the PROM, and then bsd.rd from the bootloader.

Refer to the instructions in INSTALL.luna88k for more details.

</ul>

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

<h3>OpenBSD/macppc:</h3>

<p>

<li>

Burn the image from a mirror site to a CDROM, and power on your machine

while holding down the <i>C</i> key until the display turns on and

shows <i>OpenBSD/macppc boot</i>.

<p>

<li>

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

/6.4/macppc/bsd.rd</i>

</ul>

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

<h3>OpenBSD/octeon:</h3>

<p>

<li>

After connecting a serial port, boot bsd.rd over the network via DHCP/tftp.

Refer to the instructions in INSTALL.octeon for more details.

</ul>

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

<h3>OpenBSD/sgi:</h3>

<p>

<li>

To install, burn cd64.iso on a CD-R, put it in the CD drive of your

machine and select <i>Install System Software</i> from the System Maintenance

menu. Indigo/Indy/Indigo2 (R4000) systems will not boot automatically from

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Refer to the instructions in INSTALL.sgi for more details.

<p>

<li>

If your machine doesn't have a CD drive, you can setup a DHCP/tftp network

server, and boot using "bootp()/bsd.rd.IP##" using the kernel matching your

system type. Refer to the instructions in INSTALL.sgi for more details.

</ul>

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

<h3>OpenBSD/sparc64:</h3>

<p>

<li>

Burn the image from a mirror site to a CDROM, boot from it, and type

<i>boot cdrom</i>.

<p>

<li>

If this doesn't work, or if you don't have a CDROM drive, you can write

<i>floppy64.fs</i> or <i>floppyB64.fs</i>

(depending on your machine) to a floppy and boot it with <i>boot

floppy</i>. Refer to INSTALL.sparc64 for details.

<p>

<li>

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

will most likely fail.

<p>

<li>

You can also write <i>miniroot64.fs</i> to the swap partition on

the disk and boot with <i>boot disk:b</i>.

<p>

<li>

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

</ul>

</section>

<hr>

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

<h3>How to upgrade</h3>

<p>

If you already have an OpenBSD 6.3 system, and do not want to reinstall,

upgrade instructions and advice can be found in the

<a href="faq/upgrade64.html">Upgrade Guide</a>.

<p>

</section>

<hr>

<h3 id="sourcecode"><font color="#0000e0">Notes about the source code</font></h3>

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

<tt>src.tar.gz</tt> contains a source archive starting at <tt>/usr/src</tt>.

<p>

<code>src.tar.gz</code> contains a source archive starting at <code>/usr/src</code>.

This file contains everything you need except for the kernel sources,

which are in a separate archive.

To extract:

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

</pre></blockquote>

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

<p>

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

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

To extract:

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

</pre></blockquote>

<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>

</section>

<hr>

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

<h3>Ports Tree</h3>

<p>

A ports tree archive is also provided. To extract:

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

</pre></blockquote>

<p>

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

if you know nothing about ports

at this point. This text is not a manual of how to use ports.

Rather, it is a set of notes meant to kickstart the user on the

OpenBSD ports system.

<p>

The <i>ports/</i> directory represents a CVS checkout of our ports.

As with our complete source tree, our ports tree is available via

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# <b>cvs -d anoncvs@server.openbsd.org:/cvs update -Pd -rOPENBSD_6_4</b>

</pre></blockquote>

<p>

[Of course, you must replace the server name here with a nearby anoncvs

server.]

<p>

Note that most ports are available as packages on our mirrors. Updated

ports for the 6.4 release will be made available if problems arise.

<p>

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

would like to know more, the mailing list

<a href="mail.html">ports@openbsd.org</a> is a good place to know.

<p>

</section>

</body>

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