• OpenBSD 5.8 released (1/2)

    From Theo de Raadt@21:1/5 to All on Sun Oct 18 18:00:03 2015
    OpenBSD 5.8 arrives on the 20th birthday of the OpenBSD project.


    October 18, 2015.

    We are pleased to announce the official release of OpenBSD 5.8.
    This is our 38th release on CD-ROM (and 39th via FTP/HTTP). We remain
    proud of OpenBSD's record of twenty years with only two remote holes in
    the default install.

    As in our previous releases, 5.8 provides significant improvements,
    including new features, in nearly all areas of the system:

    - Improved hardware support, including:
    o New rtwn(4) driver for Realtek RTL8188CE wifi cards.
    o New hpb(4) driver for HyperTransport bridges as found in the IBM
    CPC945.
    o The ugold(4) driver now supports TEMPerHUMV1.x temperature and
    humidity sensors.
    o Improved sensor support for the upd(4) driver for USB Power
    Devices (UPS).
    o Support for jumbo frames on re(4) devices using RTL8168C/D/E/F/G
    and RTL8411, including PC Engines APU.
    o re(4) now works with newer devices e.g. RTL8111GU.
    o Partial support has been added for full-speed isochronous devices
    in ehci(4), allowing USB 1.1 audio devices to be used on
    EHCI-only systems in some cases.
    o Improved macppc stability and G5 performances with MP kernels.
    o acpicpu(4) uses ACPI C-state information to reduce power
    consumption of idle CPUs.
    o Kernel supports x86 AVX instructions on CPUs that have them.
    o Avoid assigning low address to PCI BARs, fixing various issues on
    machines whose BIOSes neglect to claim low memory.
    o wscons(4) works with even more odd trackpads.
    o Added pvbus(4) paravirtual device tree root on virtual machines
    that are running on hypervisors.
    o New octdwctwo(4) driver for USB support on OpenBSD/octeon.
    o New amdcf(4) driver for embedded flash on OpenBSD/octeon.
    o Support for RTL8188EU devices was added to the urtwn(4) driver.

    - Removed hardware support:
    o The lmc(4) driver for Lan Media Corporation SSI/T1/DS1/HSSI/DS3
    devices has been removed.
    o The san(4) driver for Sangoma Technologies AFT T1/E1 devices has
    been removed.

    - Generic network stack improvements:
    o MTU of vlan(4) devices can now be set independently from the
    parent interface's MTU.
    o The same network range can now be assigned to multiple
    interfaces, using interface priorities to choose between them.
    o New MPLS pseudowire driver mpw(4).
    o Much preparatory work for MP unlocking of the network stack.

    - Installer improvements:
    o The logic of the 'Allow root ssh login?' question has been
    changed.
    - The default answer is now 'no'.
    - 'prohibit-password' has been added to the list of possible
    answers.
    o autoinstall(8) has been extended to allow
    - hostname-mode.conf response file names.
    - response files to be placed in a subdir of the webserver's
    document root.
    - passing a template file to disklabel(8) to automatically
    partition the disk.
    o ntpd(8) is now enabled by default at install time.
    o DUID support has improved enough that new installs now use them
    unconditionally.
    o Installing sets from CD-ROM has been fixed if more than one
    CD-ROM drive is present.
    o The 'Which CD-ROM contains the install media?' question has been
    removed. Available cdrom devices are now shown directly in the
    'Location of sets?' prompt.

    - Routing daemons and other userland network improvements:
    o Many improvements and simplifications in ldpd(8), including
    configuration reload and support for mpw(4) pseudowire interfaces.
    o bgpd(8) now allows rules to match on the peer AS number.
    o For terminated BGP sessions, bgpctl(8) now displays the number of
    prefixes received on the last session.
    o ospfd(8) now correctly handles carp(4) interfaces in "backup" mode
    at startup.
    o Log messages in bgpd(8) and ospfd(8) have been made more specific.
    o The default Diffie-Hellman group for VPNs configured by
    ipsec.conf(5) has been changed to modp3072.
    o New radiusd(8), Remote Authentication Dial In User Service
    (RADIUS) daemon.

    - Security improvements:
    o sudo in base has been replaced with doas(1), sudo is available as
    a package.
    o file(1) has been replaced with a new modern implementation,
    including sandbox and privilege separation.
    o pax(1) (and tar(1) and cpio(1)) now prevent archive extraction
    from escaping the current directory via symlinks; tar(1) without
    -P option now strips up through any ".." path components.
    o Static PIE support for sparc.
    o Alpha switched to secure PLT.
    o Improved kernel checks of ELF headers.
    o Support for the NX (No-eXecute) bit on i386, resulting in much
    better W^X enforcement in userland for hardware that has this
    feature.
    o Enforcement of W^X in the kernel address space on i386 when using
    processors with the NX bit.
    o Work started on a new process-containment facility called tame(2).

    - Assorted improvements:
    o The worm(6) now grows at a rate proportional to terminal size.
    o dlclose(3) now unregisters handlers registered by a
    pthread_atfork(3) call from the unloaded libraries.
    o cp(1), mv(1), and pax(1) with the -rw option now preserve
    timestamps with full nanosecond precision.
    o pax(1) now detects failure to decompress an archive when reading
    it and errors out immediately.
    o nm(1) now supports the -D option for displaying the dynamic symbol
    table.
    o dump(8) now uses DUIDs in /etc/dumpdates when present and the -U
    option has thus been removed.
    o Corrected kdump(1) reporting of lseek(2) return value on ILP32
    archs and getsockopt/setsockopt(2) level and optname arguments.
    iovec, msghdr, and cmsghdr structures are now dumped.
    o sed(1) -i option added.
    o New, much simpler man.conf(5) configuration file format for
    man(1), apropos(1), and makewhatis(8).
    o When using man(1) with the less(1) pager, support the :t internal
    command to search for definitions of keywords similar to what
    ctags(1) provides.
    o Improvements in checking of numeric option values in many
    utilities.
    o Upgraded to binutils version 2.17 with additional fixes.
    o Improved correctness of poll(2) and poll(2) of O_RDONLY FIFO fds.
    o Restored reporting of closed sockets by netstat(1) and systat(1).
    o fdisk(8) now zeros correct GPT sector at end of disk.
    o fdisk(8) now accepts 'T' sizes for terabytes.
    o fdisk(8) repaired to work on 4K sector disks again.
    o dhcpd(8) now logs correct giaddr and ciaddr information even when
    DHCP relays are present.
    o dhcpd(8) now accommodates Linux and MS clients by not sending
    routers or static routes info when classless static routes are
    sent.
    o dhcpd(8) and dhclient(8) now accept hostnames beginning with a
    digit.
    o dhclient(8) no longer rejects leases with addresses overlapping
    existing subnets on other interfaces. Kernel routing logic now
    just works.
    o Improvements to realloc(3) decrease system calls and increase
    efficiency.
    o The reaper now tears down dead processes without holding on to the
    kernel lock. This greatly reduces latency and increases
    performance on multi-processor systems.

    - OpenBSD httpd(8):
    o New features:
    - Added support for matching and redirections with Lua
    patterns(7).
    - Implemented If-Modified-Since for conditional GET or HEAD
    requests (RFC 7232).
    - Added byte-range support for range requests (RFC 7233).
    - Allowing to specify a global or per-location default media
    type instead of application/octet-stream.
    - Added support for HTTP Strict Transport Security (HSTS; RFC
    6797).
    - Added initial regression test suite based on relayd(8)'s
    implementation.
    o Fixes and improvements:
    - TLS in httpd(8) and relayd(8) now defaults to TLSv1.2-only.
    - Fixed support for large TLS keys or certificate bundles with
    up to 16KB each.
    - Fixed the Content-Length header for files larger than 2 GB on
    32-bit architectures.
    - Fixed translation of CGI environment variables in accordance
    with RFCs 7230 and 3875.
    - Improved memory usage and fixed possible memory exhaustion on
    large file transfers.
    - Added URL-encoding of specific CGI variables before using
    them in the Location header.
    - Prepend files or directories containing ":" with "./" in
    directory indexes as per RFC 3986.
    - Allowing to specify characters like "?" in the Location URI.
    - Various other bug fixes and improvements.

    - OpenSMTPD 5.4.4
    o smtpd(8) reliability and bug fixes.
    o NOTE: Some security risks were discovered and fixed after the
    OpenBSD 5.8 release. See 5.8 errata 004.

    - OpenSSH 7.0:
    o Security:
    - ssh(1): when forwarding X11 connections with
    ForwardX11Trusted=no, connections made after
    ForwardX11Timeout expired could be permitted and no longer
    subject to XSECURITY restrictions because of an ineffective
    timeout check in ssh(1) coupled with "fail open" behaviour in
    the X11 server when clients attempted connections with
    expired credentials. This problem was reported by Jann Horn.
    - ssh-agent(1): fix weakness of agent locking (ssh-add -x) to
    password guessing by implementing an increasing failure
    delay, storing a salted hash of the password rather than the
    password itself and using a timing-safe comparison function
    for verifying unlock attempts. This problem was reported by
    Ryan Castellucci.
    - sshd(8): OpenSSH 6.8 and 6.9 incorrectly set TTYs to be
    world-writable. Local attackers may be able to write
    arbitrary messages to logged-in users, including terminal
    escape sequences.
    - sshd(8): fix circumvention of MaxAuthTries using
    keyboard-interactive authentication. By specifying a long,
    repeating keyboard-interactive "devices" string, an attacker
    could request the same authentication method be tried
    thousands of times in a single pass. The LoginGraceTime
    timeout in sshd(8) and any authentication failure delays
    implemented by the authentication mechanism itself were still
    applied.
    o Potentially-incompatible changes:
    - Support for the legacy SSH version 1 protocol is disabled by
    default at compile time.
    - Support for the 1024-bit diffie-hellman-group1-sha1 key
    exchange is disabled by default at run-time. It may be
    re-enabled using the instructions at
    http://www.openssh.com/legacy.html.
    - Support for ssh-dss, ssh-dss-cert-* host and user keys is
    disabled by default at run-time. These may be re-enabled
    using the instructions at http://www.openssh.com/legacy.html.
    - Support for the legacy v00 cert format has been removed.
    - The default for the sshd_config(5) PermitRootLogin option has
    changed from "yes" to "prohibit-password" (but the OpenBSD
    installer defaults to "no").
    - NOTE: 'PermitRootLogin prohibit-password' is subtly broken in
    the OpenBSD 5.8 / OpenSSH 7.0; see 5.8 errata 001.
    o New/changed features:
    - ssh(1), sshd(8): promote chacha20-poly1305@openssh.com to be
    the default cipher.
    - sshd(8): support admin-specified arguments to
    AuthorizedKeysCommand. (bz#2081)
    - sshd(8): add AuthorizedPrincipalsCommand that allows
    retrieving authorized principals information from a
    subprocess rather than a file.
    - ssh(1), ssh-add(1): support PKCS#11 devices with external PIN
    entry devices. (bz#2240)
    - sshd(8): allow GSSAPI host credential check to be relaxed for
    multihomed hosts via GSSAPIStrictAcceptorCheck option.
    (bz#928)
    - ssh-keygen(1): support ssh-keygen -lF hostname to search
    known_hosts and print key hashes rather than full keys.
    - ssh-agent(1): add -D flag to leave ssh-agent(1) in foreground
    without enabling debug mode. (bz#2381)
    - ssh_config(5): add PubkeyAcceptedKeyTypes option to control
    which public key types are available for user authentication.
    - sshd_config(5): add HostKeyAlgorithms option to control which
    public key types are offered for host authentications.
    - ssh(1), sshd(8): extend Ciphers, MACs, KexAlgorithms,
    HostKeyAlgorithms, PubkeyAcceptedKeyTypes and
    HostbasedKeyTypes options to allow appending to the default
    set of algorithms instead of replacing it. Options may now be
    prefixed with a + to append to the default, e.g.
    "HostKeyAlgorithms=+ssh-dss".
    o The following significant bugs have been fixed in this release:
    - ssh(1), sshd(8): deprecate legacy
    SSH2_MSG_KEX_DH_GEX_REQUEST_OLD message and do not try to use
    it against some 3rd-party SSH implementations that use it
    (older PuTTY, WinSCP).
    - Many fixes for problems caused by compile-time deactivation
    of SSH1 support. (including bz#2369)
    - ssh(1), sshd(8): cap DH-GEX group size at 4Kbits for Cisco
    implementations as some would fail when attempting to use
    group sizes greater than 4K. (bz#2209)
    - ssh(1): fix out-of-bound read in EscapeChar configuration
    option parsing. (bz#2396)
    - sshd(8): fix application of PermitTunnel, LoginGraceTime,
    AuthenticationMethods and StreamLocalBindMask options in
    Match blocks.
    - ssh(1), sshd(8): improve disconnection message on TCP reset.
    (bz#2257)
    - ssh(1): remove failed remote forwards established by
    multiplexing from the list of active forwards. (bz#2363)
    - sshd(8): make parsing of authorized_keys "environment="
    options independent of PermitUserEnv being enabled. (bz#2329)
    - sshd(8): fix post-auth crash with permitopen=none. (bz#2355)
    - ssh(1), ssh-add(1), ssh-keygen(1): allow new-format private
    keys to be encrypted with AEAD ciphers. (bz#2366)
    - ssh(1): allow ListenAddress, Port and AddressFamily
    configuration options to appear in any order. (bz#86)
    - sshd(8): check for and reject missing arguments for
    VersionAddendum and ForceCommand. (bz#2281)
    - ssh(1), sshd(8): don't treat unknown certificate extensions
    as fatal. (bz#2387)
    - ssh-keygen(1): make stdout and stderr output consistent.
    (bz#2325)
    - ssh(1): mention missing DISPLAY environment in debug log when
    X11 forwarding requested. (bz#1682)
    - sshd(8): correctly record login when UseLogin is set.
    (bz#378)
    - sshd(8): add some missing options to sshd -T output and fix
    output of VersionAddendum and HostCertificate. (bz#2346)
    - Document and improve consistency of options that accept a
    "none" argument: TrustedUserCAKeys, RevokedKeys (bz#2382),
    AuthorizedPrincipalsFile (bz#2288).
    - ssh(1): include remote username in debug output. (bz#2368)
    - sshd(8): avoid compatibility problem with some versions of
    Tera Term, which would crash when they received the hostkeys
    notification message (hostkeys-00@openssh.com).
    - sshd(8): mention ssh-keygen -E as useful when comparing
    legacy MD5 host key fingerprints. (bz#2332)
    - ssh(1): clarify pseudo-terminal request behaviour and use
    make manual language consistent. (bz#1716)
    - ssh(1): document that the TERM environment variable is not
    subject to SendEnv and AcceptEnv. (bz#2386)
    - ssh(1), sshd(8): add compatability workarounds for Cisco and
    more PuTTY versions. (bz#2424)
    - Fix some omissions and errors in the PROTOCOL and PROTCOL.mux
    documentation relating to Unix domain socket forwarding.
    (bz#2421, bz#2422)
    - ssh(1): Improve the ssh(1) manual page to include a better
    desciption of Unix domain socket forwarding. (bz#2423)
    - ssh(1), ssh-agent(1): skip uninitialised PKCS#11 slots,
    fixing failures to load keys when they are present. (bz#2427)
    - ssh(1), ssh-agent(1): do not ignore PKCS#11 hosted keys that
    wth empty CKA_ID. (bz#2429)
    - sshd(8): clarify documentation for UseDNS option. (bz#2045)

    - LibreSSL
    o User-visible features:
    - Reject all server DH keys smaller than 1024 bits.
    - Multiple CVEs fixed including CVE-2015-0207, CVE-2015-0209,
    CVE-2015-0286, CVE-2015-0287, CVE-2015-0288, CVE-2015-0289,
    CVE-2015-1788, CVE-2015-1789, CVE-2015-1792.
    - Protocol parsing conversions to BoringSSL's CRYPTO ByteString
    (CBS) API.
    - Added EC_curve_nid2nist and EC_curve_nist2nid from OpenSSL.
    - Removed Dynamic Engine support.
    - Removed MDC-2DES support.
    - Switched openssl dhparam default from 512 to 2048 bits.
    - Fixed openssl pkeyutl -verify to exit with a 0 on success.
    - Fixed dozens of Coverity issues including dead code, memory
    leaks, logic errors and more.
    - Ensure that openssl(1) restores terminal echo state after
    reading a password.
    - Incorporated fix for OpenSSL issue #3683.
    - Removed SSLv3 support from openssl(1).
    - Modified tls_write in libtls to allow partial writes,
    clarified with examples in the documentation.
    - Removed RSAX engine.
    - Tested SSLv3 removal with the OpenBSD ports tree and found
    several applications that were not ready to build without
    SSLv3 yet. For now, building a program that intentionally
    uses SSLv3 will result in a linker warning.
    - Added TLS_method, TLS_client_method and TLS_server_method as
    a replacement for the SSLv23_*method calls.
    - Default cert.pem, openssl.cnf, and x509v3.cnf files are now
    installed under $sysconfdir/ssl or the directory specified by
    --with-openssldir. Previous versions of LibreSSL left these
    empty.
    - NOTE: LibreSSL 2.2.2 in OpenBSD 5.8 incorrectly handles
    ClientHello messages that do not include TLS extensions,
    resulting in such handshakes being aborted. see 5.8 errata
    002.
    o Code improvements:
    - Fix incorrect comparison function in openssl(1) certhash
    command. Thanks to Christian Neukirchen / Void Linux.
    - Removal of OPENSSL_issetugid and all library getenv calls.
    Applications can and should no longer rely on environment
    variables for changing library behavior. OPENSSL_CONF and
    SSLEAY_CONF are still supported with the openssl(1) command,
    but note that $ENV:: is no longer supported in .cnf files.
    - libtls API and documentation additions.
    - Various bug fixes and simplifications to libssl and
    libcrypto.
    - Reworked openssl(1) option handling.
    - LibreSSL version define LIBRESSL_VERSION_NUMBER will now be
    bumped for each portable release.
    - Removed workarounds for TLS client padding bugs.
    - Removed IE 6 SSLv3 workarounds.
    - --with-enginesdir is removed as a configuration parameter.

    - Syslogd:
    o OpenBSD syslogd(8) can bind to explicitly given UDP or TCP sockets
    to receive messages. TCP streams are accepted with the octet
    counting or the non transparent framing method.
    o Blocks in syslog.conf(5) started with +host process messages
    created by certain hosts specifically.
    o Handle situations when the file descriptor limit is exhausted
    gracefully.
    o Since libtls handles short writes smarter, syslogd(8) can use the
    complete output buffer to save messages, coping with longer TLS
    server down times without losing messages.

    - Ports and packages:
    Many pre-built packages for each architecture:
    o alpha: 7093 o powerpc: 8114
    o amd64: 8866 o sh: 133
    o hppa: 5813 o sparc: 3655
    o i386: 8839 o sparc64: 7851
    o mips64: 4267 o vax: 1959
    o mips64el: 5922

    - Some highlights:

    o Chromium 44.0.2403.125 o Mozilla Thunderbird 38.1.0
    o Emacs 21.4 and 24.5 o Node.js 0.10.35
    o GCC 4.8.4 and 4.9.3 o OpenLDAP 2.3.43 and 2.4.41
    o GHC 7.8.4 o PHP 5.4.43, 5.5.27 and 5.6.11
    o GNOME 3.14.2 o Postfix 2.11.4
    o Go 1.4.2 o PostgreSQL 9.4.1
    o Groff 1.22.3 o Python 2.7.9 and 3.4.2
    o JDK 1.7.0.80 and 1.8.0.45 o R 3.1.2
    o KDE 3.5.10 and 4.14.3 (plus o Ruby 1.8.7.374, 1.9.3.551,
    KDE4 core updates) 2.0.0.598, 2.1.5, and 2.2.0
    o LLVM/Clang 3.5 (20140228) o Sendmail 8.15.2
    o LibreOffice 4.4.4.3 o Tcl/Tk 8.5.18 and 8.6.4
    o MariaDB 10.0.20 o TeX Live 2014
    o Mono 3.12.1 o Vim 7.4.769
    o Mozilla Firefox 38.1.1esr and o Xfce 4.12
    39.0.3

    - As usual, steady improvements in manual pages and other documentation.

    - The system includes the following major components from outside suppliers:
    o Xenocara (based on X.Org 7.7 with xserver 1.16.4 + patches,
    freetype 2.6, fontconfig 2.11.1, Mesa 10.2.9, xterm 314,
    xkeyboard-config 2.14 and more)
    o Gcc 4.2.1 (+ patches) and 3.3.6 (+ patches)
    o Perl 5.20.2 (+ patches)
    o SQLite 3.8.9 (+ patches)
    o NSD 4.1.3
    o Unbound 1.5.4
    o Ncurses 5.7
    o Binutils 2.17 (+ patches)
    o Gdb 6.3 (+ patches)
    o Less 458 (+ patches)
    o Awk Aug 10, 2011 version

    If you'd like to see a list of what has changed between OpenBSD 5.7
    and 5.8, look at

    http://www.OpenBSD.org/plus58.html

    Even though the list is a summary of the most important changes
    made to OpenBSD, it still is a very very long list.

    ------------------------------------------------------------------------
    - SECURITY AND ERRATA --------------------------------------------------

    We provide patches for known security threats and other important
    issues discovered after each CD release. As usual, between the
    creation of the OpenBSD 5.8 HTTP/CD-ROM binaries and the actual 5.8
    release date, our team found and fixed some new reliability problems
    (note: most are minor and in subsystems that are not enabled by
    default). Our continued research into security means we will find
    new security problems -- and we always provide patches as soon as
    possible. Therefore, we advise regular visits to

    http://www.OpenBSD.org/security.html
    and
    http://www.OpenBSD.org/errata.html

    ------------------------------------------------------------------------
    - MAILING LISTS --------------------------------------------------------

    Mailing lists are an important means of communication among users and developers of OpenBSD. For information on OpenBSD mailing lists, please
    see:

    http://www.OpenBSD.org/mail.html

    ------------------------------------------------------------------------
    - CD-ROM SALES ---------------------------------------------------------

    OpenBSD 5.8 is also available on CD-ROM. The 3-CD set costs 44 EUR and
    is available via web order worldwide.

    The CD set includes a colourful booklet which carefully explains the installation of OpenBSD. A new set of cute little stickers is also
    included (sorry, but our HTTP mirror sites do not support STP, the Sticker Transfer Protocol). As an added bonus, the second CD contains audio tracks
    for four songs: "20 years ago today", "Fanza", "So much better", and
    "A Year in the Life". MP3 and OGG versions of the audio tracks can be
    found on the first CD.

    Lyrics (and an explanation) for the songs may be found at:

    http://www.OpenBSD.org/lyrics.html#58

    Profits from CD sales are the primary income source for the OpenBSD
    project -- in essence selling these CD-ROM units ensures that OpenBSD
    will continue to make another release six months from now.

    The OpenBSD 5.8 CD-ROMs are bootable on the following platforms:

    o i386
    o amd64
    o macppc
    o sparc64

    (Other platforms must boot from network, floppy, or other method).

    For more information on ordering CD-ROMs, see:

    http://www.OpenBSD.org/orders.html

    All of our developers strongly urge you to buy a CD-ROM and support
    our future efforts. Additionally, donations to the project are
    highly appreciated, as described in more detail at:

    http://www.OpenBSD.org/donations.html

    ------------------------------------------------------------------------
    - OPENBSD FOUNDATION ---------------------------------------------------

    For those unable to make their contributions as straightforward gifts,
    the OpenBSD Foundation (http://www.openbsdfoundation.org) is a Canadian not-for-profit corporation that can accept larger contributions and
    issue receipts. In some situations, their receipt may qualify as a
    business expense write-off, so this is certainly a consideration for
    some organizations or businesses. There may also be exposure benefits
    since the Foundation may be interested in participating in press releases.
    In turn, the Foundation then uses these contributions to assist OpenBSD's infrastructure needs. Contact the foundation directors at directors@openbsdfoundation.org for more information.

    ------------------------------------------------------------------------
    - T-SHIRT SALES --------------------------------------------------------

    The OpenBSD distribution company also sells T-shirts with new and old
    designs and other merchandise, available from its web ordering system.

    ------------------------------------------------------------------------
    - HTTP INSTALLS --------------------------------------------------------

    If you choose not to buy an OpenBSD CD-ROM, OpenBSD can be easily
    installed via HTTP downloads. Typically you need a single
    small piece of boot media (e.g., a USB flash drive) and then the rest
    of the files can be installed from a number of locations, including
    directly off the Internet. Follow this simple set of instructions
    to ensure that you find all of the documentation you will need
    while performing an install via HTTP. With the CD-ROMs,
    the necessary documentation is easier to find.

    1) Read either of the following two files for a list of HTTP
    mirrors which provide OpenBSD, then choose one near you:

    http://www.OpenBSD.org/ftp.html
    http://ftp.openbsd.org/pub/OpenBSD/ftplist

    As of October 18, 2015, the following HTTP mirror sites have the 5.8 release:

    http://ftp.eu.openbsd.org/pub/OpenBSD/5.8/ Stockholm, Sweden
    http://ftp.bytemine.net/pub/OpenBSD/5.8/ Oldenburg, Germany
    http://ftp.ch.openbsd.org/pub/OpenBSD/5.8/ Zurich, Switzerland
    http://ftp.fr.openbsd.org/pub/OpenBSD/5.8/ Paris, France
    http://ftp5.eu.openbsd.org/pub/OpenBSD/5.8/ Vienna, Austria
    http://mirror.aarnet.edu.au/pub/OpenBSD/5.8/ Brisbane, Australia
    http://ftp.usa.openbsd.org/pub/OpenBSD/5.8/ CO, USA
    http://ftp5.usa.openbsd.org/pub/OpenBSD/5.8/ CA, USA
    http://mirror.esc7.net/pub/OpenBSD/5.8/ TX, USA

    The release is also available at the master site:

    http://ftp.openbsd.org/pub/OpenBSD/5.8/ Alberta, Canada

    However it is strongly suggested you use a mirror.

    Other mirror sites may take a day or two to update.

    2) Connect to that HTTP mirror site and go into the directory
    pub/OpenBSD/5.8/ which contains these files and directories.
    This is a list of what you will see:

    ANNOUNCEMENT alpha/ luna88k/ sparc/
    Changelogs/ amd64/ macppc/ sparc64/
    HARDWARE armish/ octeon/ src.tar.gz
    PACKAGES armv7/ packages/ sys.tar.gz
    PORTS hppa/ ports.tar.gz tools/
    README i386/ root.mail vax/
    SHA256 landisk/ sgi/ xenocara.tar.gz
    SHA256.sig loongson/ socppc/ zaurus/

    It is quite likely that you will want at LEAST the following
    files which apply to all the architectures OpenBSD supports.

    README - generic README
    HARDWARE - list of hardware we support
    PORTS - description of our ports tree
    PACKAGES - description of pre-compiled packages
    root.mail - a copy of root's mail at initial login.
    (This is really worthwhile reading).

    3) Read the README file. It is short, and a quick read will make
    sure you understand what else you need to fetch.

    4) Next, go into the directory that applies to your architecture,
    for example, amd64. This is a list of what you will see:

    INSTALL.amd64 bsd.rd* game58.tgz pxeboot*
    SHA256 cd58.iso index.txt xbase58.tgz
    SHA256.sig cdboot* install58.fs xfont58.tgz
    base58.tgz cdbr* install58.iso xserv58.tgz
    bsd* comp58.tgz man58.tgz xshare58.tgz
    bsd.mp* floppy58.fs miniroot58.fs

    If you are new to OpenBSD, fetch _at least_ the file INSTALL.amd64
    and install58.iso. The install58.iso file (roughly 290MB in size)
    is a one-step ISO-format install CD image which contains the various
    *.tgz files so you do not need to fetch them separately.

    If you prefer to use a USB flash drive, fetch install58.fs and
    follow the instructions in INSTALL.amd64.

    5) If you are an expert, follow the instructions in the file called
    README; otherwise, use the more complete instructions in the
    file called INSTALL.amd64. INSTALL.amd64 may tell you that you
    need to fetch other files.

    6) Just in case, take a peek at:

    http://www.OpenBSD.org/errata.html

    This is the page where we talk about the mistakes we made while
    creating the 5.8 release, or the significant bugs we fixed
    post-release which we think our users should have fixes for.
    Patches and workarounds are clearly described there.

    ------------------------------------------------------------------------
    - X.ORG FOR MOST ARCHITECTURES -----------------------------------------

    X.Org has been integrated more closely into the system. This release
    contains X.Org 7.7. Most of our architectures ship with X.Org, including amd64, sparc, sparc64 and macppc. During installation, you can install
    X.Org quite easily. Be sure to try out xdm(1) and see how we have
    customized it for OpenBSD.

    ------------------------------------------------------------------------
    - PORTS TREE -----------------------------------------------------------

    The OpenBSD ports tree contains automated instructions for building
    third party software. The software has been verified to build and
    run on the various OpenBSD architectures. The 5.8 ports collection
    is included on the 3-CD set. Please see the PORTS file for more
    information.

    Note: a few popular ports, e.g., NSD, Unbound, and several X
    applications, come standard with OpenBSD. Also, many popular ports have
    been pre-compiled for those who do not desire to build their own binaries
    (see BINARY PACKAGES, below).

    ------------------------------------------------------------------------
    - BINARY PACKAGES ------------------------------------------------------

    A large number of binary packages are provided. Please see the PACKAGES

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