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

<!doctype html>

<html>

<head>

<title>OpenBSD 6.3</title>

</head>

<h2>

6.3

</h2>

<table>

<tr>

<td>

<td>

Released Apr 15, 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/6.3/</font> directory on

<li>Go to the <code class=reldir>pub/OpenBSD/6.3/</code> directory on

one of the mirror sites.

<li>Have a look at <a href="errata63.html">the 6.3 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-63-base.pub:

</td><td>

<td>

RWRxzbLwAd76ZZxHU7wuIFUOVGwl6SjNNzanKWTql8w+hui7WLE/72mW

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

openbsd-63-fw.pub:

</td><td>

<td>

RWT3tdmiAc+DH/CJOxPFT10kUM90/UcLTgSEUEKzhKm9QEhy+UD4CWPy

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

openbsd-63-pkg.pub:

</td><td>

<td>

RWT58k1AWz/zZO9DHcPHXiHhDNP6hdwGjxNkyMoc/sh4O5NI8Zz1R1lD

</td></tr>

</table>

<p>

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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 6.3.

For a comprehensive list, see the <a href="plus63.html">changelog</a> leading

to 6.3.

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and it is also provided on sparc64.

</ul>

<p>

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

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

<ul>

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<li>Many fixes to <a href="https://man.openbsd.org/amd64/vmctl.8">vmctl(8)</a>

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

</ul>

<p>

<li>IEEE 802.11 wireless stack improvements:

<ul>

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now use an open source firmware, and hostap mode now works with

these devices.

</ul>

<p>

<li>Generic network stack improvements:

<ul>

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<li>Support for configuring the Don't Fragment flag on packets encapsulated

by tunnel interfaces.

</ul>

<p>

<li>Installer improvements:

<ul>

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<li>create correct hostname when both domain-name and

domain-search options are provided in the DHCP lease.

</ul>

<p>

<li>Routing daemons and other userland network improvements:

<ul>

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<b>staticarp</b> option to make interfaces reply to ARP requests only.

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

collapse flow outputs having the same source or destination.

<li>The <tt>-n</tt> option in

<li>The <code>-n</code> option in

<a href="https://man.openbsd.org/netstart.8">netstart(8)</a> no longer

messes with the default route.

It is now documented as well.

</ul>

<p>

<li>Security improvements:

<ul>

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<a href="https://man.openbsd.org/OpenBSD-6.2/ktrace.2">fktrace(2)</a>

system call was deleted.

</ul>

<p>

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

<ul>

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dhclient(8)</a> exiting without configuring the interface.

</ul>

<p>

<li>Assorted improvements:

<ul>

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<code>-i</code> option for case-insensitive comparison.

<li>The <a href="https://man.openbsd.org/printf.3">printf(3)</a> format

string is no longer validated when looking for <tt>%</tt> formats.

string is no longer validated when looking for <code>%</code> formats.

Based on a commit by android and following most other operating systems.

<li>Improved error checking in

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

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

<ul>

<li>Arbitrary length limits for the arguments for the

<tt>-b</tt>, <tt>-s</tt>, <tt>-w</tt> options were removed.

<code>-b</code>, <code>-s</code>, <code>-w</code> options were removed.

<li>The <tt>%F</tt> format specifier is now supported and a bug

<li>The <code>%F</code> format specifier is now supported and a bug

in the <tt>%D</tt> format was fixed.

in the <code>%D</code> format was fixed.

<li>Better code coverage in regression tests.

<li>Several buffer overruns were fixed.

</ul>

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<li><a href="https://man.openbsd.org/vmt.4">vmt(4)</a> now allows cloning and

taking disk-only snapshots of running guests.

</ul>

<p>

<li>OpenSMTPD 6.0.4

<ul>

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<li>Assorted cleanups and improvements.

<li>Numerous manual page fixes and improvements.

</ul>

<p>

<li>OpenSSH 7.7

<ul>

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<li>Numerous manual page fixes and improvements.

</ul>

<p>

<li>LibreSSL 2.7.2

<ul>

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<li> Merged more DTLS support into the regular TLS code path, removing

duplicated code.

</ul>

<p>

<li>Ports and packages:

<li><p>Ports and packages:

<ul>

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

<a href="https://man.openbsd.org/ports.7">ports(7)</a> can

now enjoy the same privilege separated model by setting

<tt>PORTS_PRIVSEP=Yes</tt>

<code>PORTS_PRIVSEP=Yes</code>

</ul>

<dl>

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

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

</dl>

<tr>

<ul>

<li>aarch64: 7990

<li>alpha: 1

<li>amd64: 9912

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

<li>arm: 6582

<li>i386: 9861

<li>mips64: 8149

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

<li>mips64el: 8254

<li>powerpc: 8809

<li>sh: 1

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

<li>sparc64: 8401

</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 65.0.3325.181

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<li>MariaDB 10.0.34

<li>Mozilla Firefox 52.7.3esr and 59.0.2

<li>Mozilla Thunderbird 52.7.0

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

<li>Mutt 1.9.4 and NeoMutt 20180223

<li>Node.js 8.9.4

<li>Ocaml 4.03.0

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<li>TeX Live 2017

<li>Vim 8.0.1589

<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 2.2.5

</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 6.3 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>floppy63.fs</i> or <i>floppyB63.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>install63.iso</i> or

<i>cd63.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>install63.fs</i> or

<i>miniroot63.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>miniroot63.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>install63.iso</i> or

<i>cd63.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>install63.fs</i> or

<i>miniroot63.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>miniroot63.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>miniroot63.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

/6.3/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 cd63.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>floppy63.fs</i> or <i>floppyB63.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>miniroot63.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>

If you already have an OpenBSD 6.2 system, and do not want to reinstall,

upgrade instructions and advice can be found in the

<a href="faq/upgrade63.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>.

<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>.

<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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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>

A ports tree archive is also provided. To extract:

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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

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

<p>

</section>

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