Annotation of www/52.html, Revision 1.30
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4: <title>OpenBSD 5.2 Release</title>
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23: src="images/Brazil.jpg" alt="OpenBSD 5.2 logo"></a>
24: <h2><font color="#0000e0">The OpenBSD 5.2 Release:</font></h2>
25: <p>
1.2 deraadt 26: To be released Nov 1, 2012<br>
1.1 deraadt 27: Copyright 1997-2012, Theo de Raadt.<br>
28: <font color="#e00000">ISBN 978-0-9881561-0-4</font>
29: <br>
30: <a href="lyrics.html#52">5.2 Song: song not released yet</a>
31: <p>
32:
33: <a href="#new">What's New</a><br>
34: <a href="#install">How to install</a><br>
35: <a href="#upgrade">How to upgrade</a><br>
36: <a href="#ports">How to use the ports tree</a><br>
37: <a href="orders.html">Ordering a CD set</a><br>
38:
39: <p>
40: <h3><font color="#0000e0">
41: To get the files for this release:
42: <ul>
43: <li>Order a CDROM from our <a href="orders.html">ordering system</a>.
44: <li>See the information on <a href="ftp.html">The FTP page</a> for
45: a list of mirror machines.
46: <li>Go to the <font color="#e00000">pub/OpenBSD/5.2/</font> directory on
47: one of the mirror sites.
48: <li>Briefly read the rest of this document.
49: <li>Have a look at <a href="errata52.html">The 5.2 Errata page</a> for a list
50: of bugs and workarounds.
51: <li>See a <a href="plus52.html">detailed log of changes</a> between the
52: 5.1 and 5.2 releases.
53: </ul>
54: </font></h3>
55: <br clear=all>
56:
57: <strong>Note:</strong> All applicable copyrights and credits can be found
58: in the applicable file sources found in the files src.tar.gz, sys.tar.gz,
59: xenocara.tar.gz, or in the files fetched via ports.tar.gz. The distribution
60: files used to build packages from the ports.tar.gz file are not included on
61: the CDROM because of lack of space.
62: <p>
63:
64: <a name="new"></a>
65: <hr>
66: <p>
67: <h3><font color="#0000e0">What's New</font></h3>
68: <p>
69: This is a partial list of new features and systems included in OpenBSD 5.2.
70: For a comprehensive list, see the <a href="plus52.html">changelog</a> leading
71: to 5.2.
72: <p>
73:
74: <ul>
1.17 lteo 75: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pthreads&sektion=3">pthreads(3)</a> support:
1.1 deraadt 76: <ul>
77: <li>The most significant change in this release is the replacement of
1.29 matthew 78: the user-level uthreads by kernel-level rthreads, allowing multithreaded
79: programs to utilize multiple CPUs/cores.
1.1 deraadt 80: <li>Use PTHREAD_MUTEX_STRICT_NP as default mutex type.
1.6 guenther 81: <li>Added pthread spinlock and barrier routines.
82: <li>Added <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pthread_mutex_lock&sektion=3">pthread_mutex_timedlock(3)</a> and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sem_wait&sektion=3">sem_timedwait(3)</a>.
83: <li>Added <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pthread_condattr_init&sektion=3">pthread_condattr_setclock(3)</a>.
1.1 deraadt 84: <li>Added support for live multi-threaded debugging in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=gdb&sektion=1">gdb(1)</a>.
1.22 guenther 85: <li>Improved handling for <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getrusage&sektion=2">rusage</a> totals and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getitimer&sektion=2">interval timers</a> in threaded processes.
86: <li>Changed the RLIMIT_NPROC <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getrlimit&sektion=2">rlimit</a> to count processes instead of threads.
1.6 guenther 87: <li>Added a new system limit <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sysctl&sektion=8">kern.maxthread</a> for the max number of threads.
88: <li>Closed race conditions in thread creation, and in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=fork&sektion=2">fork(2)</a> and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=open&sektion=2">open(2)</a> in a threaded process.
1.22 guenther 89: <li>Improved handling of threaded processes in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ps&sektion=1">ps(1)</a>, <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=top&sektion=1">top(1)</a>, and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=fstat&sektion=1">fstat(1)</a>.
1.19 guenther 90: <li>Changed the lock around <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dlfcn&sektion=3">dlopen()</a> to be recursive, so that dl*() operations from <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=atexit&sektion=3">atexit()</a> handlers don't deadlock.
1.21 guenther 91: <li>Many fixes to pthread attribute and mutex error checking and cancellation handling.
1.1 deraadt 92: </ul>
93: <p>
94:
95: <li>Improved hardware support, including:
96: <ul>
1.17 lteo 97: <li>Added hibernation support on i386. Currently only working on <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pciide&sektion=4">pciide(4)</a> and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=wd&sektion=4">wd(4)</a> disks.
1.10 sthen 98: <li>Improved support for ALPS based touchpads in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=wsmouse&sektion=4">wsmouse(4)</a> and the <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=synaptics&sektion=4">synaptics(4)</a> X.Org input driver</a>.
99: <li>Performance improvements with <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ix&sektion=4">ix(4)</a> Intel 10Gb ethernet NICs.
100: <li>Support for i350 based devices in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=em&sektion=4">em(4)</a>.
101: <li>Flow control support for <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bnx&sektion=4">bnx(4)</a>.
102: <li>Hardware watchdog and HPET support for <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tcpcib&sektion=4">tcpcib(4)</a> (Intel Atom E600) as found in some embedded x86 systems.
103: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=urndis&sektion=4">urndis(4)</a> supports additional Android devices.
1.20 lteo 104: <li>Support for Winbond W83627UHG has been added to <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=wbsio&sektion=4">wbsio(4)</a>.
1.23 jsg 105: <li>Support for the SMBus controller of the AMD CS5536 in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=glxpcib&sektion=4&arch=i386">glxpcib(4)</a>.
106: <li>Support for AX88772B based devices has been added to <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=axe&sektion=4">axe(4)</a>.
107: <li>Support for MCS7832 based devices has been added to <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mos&sektion=4">mos(4)</a>.
1.1 deraadt 108: <li>...
109: </ul>
110: <p>
111:
112: <li>Generic network stack improvements:
113: <ul>
1.30 ! claudio 114: <li>Increased TCP initial window to 14600 bytes as proposed in
! 115: draft-ietf-tcpm-initcwnd.
1.10 sthen 116: <li>Cleanup handling of sockaddrs in degenerate use cases.
1.6 guenther 117: <li>Improved handling of error and limit cases in file-descriptor passing.
1.30 ! claudio 118: <li>Improved socketbuffer handling for AF_UNIX sockets.
1.6 guenther 119: <li>Improved error handling in socket splicing.
1.12 sperreau 120: <li>IPv6 privacy addresses now appear alongside SLAAC addresses.
1.1 deraadt 121: <li>...
122: </ul>
123: <p>
124:
125: <li>Routing daemons and other userland network improvements:
126: <ul>
1.22 guenther 127: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=aucat&sektion=1">sndiod(1)</a>,
1.5 camield 128: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bgpd&sektion=8">bgpd(8)</a>,
129: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dvmrpd&sektion=8">dvmrpd(8)</a>,
130: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ftp-proxy&sektion=8">ftp-proxy(8)</a>,
131: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=iked&sektion=8">iked(8)</a>,
132: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=iscsid&sektion=8">iscsid(8)</a>,
1.1 deraadt 133: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ldapd&sektion=8">ldapd(8)</a>,
1.5 camield 134: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ldpd&sektion=8">ldpd(8)</a>,
135: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=nsd&sektion=8">nsd(8)</a>,
136: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ospf6d&sektion=8">ospf6d(8)</a>,
137: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ospfd&sektion=8">ospfd(8)</a>,
138: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=relayd&sektion=8">relayd(8)</a>,
139: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ripd&sektion=8">ripd(8)</a>,
140: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=snmpd&sektion=8">snmpd(8)</a>,
141: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=spamd&sektion=8">spamd(8)</a>,
142: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>,
143: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tcpbench&sektion=1">tcpbench(1)</a> and
144: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tmux&sektion=1">tmux(1)</a>
1.1 deraadt 145: now rate limit their accepting of new connections when experiencing file descriptor exhaustion.
1.30 ! claudio 146: <li>Allow <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=route&sektion=8">route(8)</a> destination/prefixlen syntax for ipv6 routes.
! 147: <li>ASCII packet dumping support in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tcpdump&sektion=8">tcpdump(8)</a>.
! 148: <li>Better etherip and BGP protocol support in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tcpdump&sektion=8">tcpdump(8)</a>.
1.1 deraadt 149: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tcpdump&sektion=8">tcpdump(8)</a>
150: now recognizes additional Internet Key Exchange DH groups.
151: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ipsecctl&sektion=8">ipsecctl(8)</a>
152: now allows SA lifetimes to be specified in its
153: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ipsec.conf&sektion=5">ipsec.conf(5)</a>
154: file.
155: <li>Rewrote <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tftpd&sektion=8">tftpd(8)</a> as a persistent, non-blocking daemon.
1.9 sthen 156: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=snmpd&sektion=8">snmpd(8)</a> now supports PF-MIB, UCD-DISKIO-MIB, and
157: additional OIDs in HOST-RESOURCES-MIB.
158: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bgpd&sektion=8">bgpd(8)</a> is now more robust to network instability.
1.30 ! claudio 159: <li>Adjust the <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bgpd&sektion=8">bgpd(8)</a> route decision code to cover checks needed due to route reflection.
! 160: <li>Various fixes to improve error reporting in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bgpd&sektion=8">bgpd(8)</a> including support of RFC 6608.
! 161: <li>For debugging purposes <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bgpctl&sektion=8">bgpctl(8)</a> can load MRT dumps into <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bgpd&sektion=8">bgpd(8)</a>.
! 162: <li>Fixed distribution of MPLS VPN routes in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bgpd&sektion=8">bgpd(8)</a>
! 163: <li>Introduce selected to <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bgpctl&sektion=8">bgpctl(8)</a> as show rib attribute to only show selected routes.
! 164: <li>Correctly support the LSA_TYPE_AREA_OPAQ and LSA_TYPE_AS_OPAQ types in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ospfd&sektion=8">ospfd(8)</a>.
1.9 sthen 165: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tftp&sektion=1">tftp(1)</a> client now supports IPv6.
1.30 ! claudio 166: <li>Make <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=relayd&sektion=8">relayd(8)</a> able to handle transactions larger than 2GB in size.
! 167: <li>Various bug fixes and better HTTP standard compliance in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=relayd&sektion=8">relayd(8)</a>.
1.20 lteo 168: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=rtadvd&sektion=8">rtadvd(8)</a>
169: can now advertise DNS servers and search paths in router advertisements.
170: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=rtadvd&sektion=8">rtadvd(8)</a>
171: can now send router advertisements with no prefix information using the noifprefix option.
172: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ftp&sektion=1">ftp(1)</a>
173: client now allows the source IP address of the connection to be specified.
1.24 jmatthew 174: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ypldap&sektion=8">ypldap(8)</a>
175: now handles larger directories and is more tolerant when processing groups.
1.30 ! claudio 176: <li>Added support for AF_INET6 to <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=inet_net_pton&sektion=3">inet_net_pton(3)</a> and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=inet_net_ntop&sektion=3">inet_net_ntop(3)</a>.
1.1 deraadt 177: <li>...
178: </ul>
179: <p>
180:
181: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pf&sektion=4">pf(4)</a> improvements:
182: <ul>
1.9 sthen 183: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pf&sektion=4">pf(4)</a> now ignores/preserves the lower 2 bits of the tos-header (used for Explicit Congestion Notification).
1.17 lteo 184: <li>Allow more than 16 <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pflog&sektion=4">pflog(4)</a> interfaces.
1.30 ! claudio 185: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pf&sektion=4">pf(4)</a> now supports weighted least-states load balancing.
! 186: <li>The prio and tos options are now part of the "set { }" block.
! 187: See <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pf.conf&sektion=5">pf.conf(5)</a>.
! 188: <li>Allow to set the tos on IPv6 packets.
! 189: <li>Better demotion handling in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pfsync&sektion=4">pfsync(4)</a> to prevent failovers w/o having a full state table.
! 190: <li>Fixed printing of wildcard anchors in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pfctl&sektion=8">pfctl(8)</a>.
1.15 benno 191: <li>...
1.1 deraadt 192: </ul>
193: <p>
194:
195: <li>Assorted improvements:
196: <ul>
197: <li>Added <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=nginx&sektion=8">nginx(8)</a>,
198: an HTTP server, reverse proxy server and mail proxy server.
1.8 espie 199: <li>Added SQLite 3.7.13, a self-contained SQL database engine.
1.1 deraadt 200: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pcap&sektion=3">libpcap</a>
201: has been updated with several core functions from tcpdump.org's libpcap-1.2.0 API, without
202: the clutter.
203: <li>Disabled SSLv2 in OpenSSL.
1.8 espie 204: <li>Moved <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=libtool&sektion=1">libtool(1)</a> into the base system. Much work remains to be done.
1.18 lteo 205: <li>Removed <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=lint&sektion=1&manpath=OpenBSD+5.1">lint(1)</a>.
206: <li>Removed <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=raid&sektion=4&manpath=OpenBSD+5.1">raid(4)</a>
207: RAIDframe driver and the corresponding
208: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=raidctl&sektion=8&manpath=OpenBSD+5.1">raidctl(8)</a> utility.
1.16 lteo 209: <li>Added <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=posix_spawn&sektion=3">posix_spawn(3)</a>.
1.28 matthew 210: <li>Added <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mbsnrtowcs&sektion=3">mbsnrtowcs(3)</a>
1.16 lteo 211: and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=wcsnrtombs&sektion=3">wcsnrtombs(3)</a>.
212: <li>Added <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getdelim&sektion=3">getdelim(3)</a>
213: and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getline&sektion=3">getline(3)</a>.
214: <li>More configuration variables for <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sysconf&sektion=3">sysconf(3)</a> and
215: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pathconf&sektion=2">pathconf(2)</a>.
216: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dirfd&sektion=3">dirfd(3)</a>
1.17 lteo 217: is now a function instead of a macro.
1.16 lteo 218: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=posix_memalign&sektion=3">posix_memalign(3)</a>
219: supports arbitrarily large alignments.
220: <li>Improved <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=realloc&sektion=3">realloc(3)</a> performance.
221: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ld.so&sektion=1">ld.so(1)</a>
222: recognizes the DF_1_NOOPEN flag and refuses to
223: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dlopen&sektion=3">dlopen(3)</a>
224: shared objects linked with "-z nodlopen".
1.6 guenther 225: <li>Improved compliance and/or cleanliness of header files, particularly
1.7 guenther 226: <dirent.h>, <time.h>, <sys/time.h>, <limits.h>,
1.6 guenther 227: <arpa/inet.h>, <netinet/in.h>, and <sys/param.h>.
228: <li>Improved kernel uvm memory allocator.
1.22 guenther 229: <li>Added support for using AMT to provide console-over-ethernet (c.f. the amtterm port).
1.6 guenther 230: <li>Improved support for amd64 boxes with many memory extents.
1.16 lteo 231: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=compat_linux&sektion=8">compat_linux(8)</a>
232: improvements: TLS-vs-clone and futex fixes, added support
1.6 guenther 233: for statfs64(), tgkill(), gettid(), SOCK_CLOEXEC, and SOCK_NONBLOCK.
1.7 guenther 234: <li>Improved handling of bare FAT media.
1.16 lteo 235: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=kdump&sektion=1">kdump(1)</a>
236: improvements, including the ability to show thread IDs and dumping of timespec, timeval, sigaction, rlimit, sigset, clockid, and fdset arguments and results.
237: <li>Various improvements in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=smtpd&sektion=8">smtpd(8)</a>:
1.17 lteo 238: reliability fixes, new MTA client, new scheduler and improved queue logic, simplified smtpd.conf syntax, better RFC compliance and several cosmetic changes.
1.16 lteo 239: <li>The <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mg&sektion=1">mg(1)</a>
1.17 lteo 240: emacs-like editor now allows backup files to be saved in a user's home directory.
1.22 guenther 241: <li>Fixed operation of <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=kvm_getfiles&sektion=3">kvm_getfile2()</a> (and therefore <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=fstat&sektion=1">fstat(1)</a> and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pstat&sektion=8">pstat(8)</a>) on kernel crash dumps.
242: <li>Improved emacs-style key bindings and handling of large arrays in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ksh&sektion=1">ksh(1)</a>.
243: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=halt&sektion=8">halt(8)</a> disables "suspend-on-lid-close" so that you don't accidentally suspend instead of shutting down.
244: <li>Improvements to parallel <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=make&sektion=1">make(1)</a>: added the .CHEAP and .EXPENSIVE special targets and fixed glitches in already-rebuilt logic.
1.26 sthen 245: <li>The <a href="http://www.openbsd.org/cgi-bin/cvsweb/ports/devel/libusb1/">libusb</a> package is able to access non-<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ugen&sektion=4">ugen(4)</a> devices for some operations, allowing e.g. <a href="http://www.openbsd.org/cgi-bin/cvsweb/ports/sysutils/ykpers/">programming YubiKeys</a> with a standard kernel.
1.1 deraadt 246: <li>...
247: </ul>
248: <p>
249:
250: <li>OpenSSH 6.1:
251: <ul>
252: <li>New features:
253: <ul>
1.27 rpe 254: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>:
255: This release turns on pre-auth sandboxing sshd by default for new installs,
256: by setting UsePrivilegeSeparation=sandbox in sshd_config.
257: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-keygen&sektion=1">sshd-keygen(1)</a>:
258: Add options to specify starting line number and number of lines to process
259: when screening moduli candidates, allowing processing of different parts of
260: a candidate moduli file in parallel
261: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>:
262: The Match directive now supports matching on the local (listen) address and
263: port upon which the incoming connection was received via LocalAddress and
264: LocalPort clauses.
265: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>:
266: Extend sshd_config Match directive to allow setting AcceptEnv and {Allow,Deny}{Users,Groups}
267: <li>Add support for RFC6594 SSHFP DNS records for ECDSA key types. (bz#1978)
268: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-keygen&sektion=1">sshd-keygen(1)</a>:
269: Allow conversion of RSA1 keys to public PEM and PKCS8
270: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>:
271: Allow the sshd_config PermitOpen directive to accept "none" as an argument to
272: refuse all port-forwarding requests.
273: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>:
274: Support "none" as an argument for AuthorizedPrincipalsFile
275: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-keyscan&sektion=1">sshd-keyscan(1)</a>:
276: Look for ECDSA keys by default. (bz#1971)
277: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>:
278: Add "VersionAddendum" to sshd_config to allow server operators to append some
279: arbitrary text to the server SSH protocol banner.
1.1 deraadt 280: </ul>
281: <li>The following significant bugs have been fixed in this release:
282: <ul>
1.27 rpe 283: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a> and
284: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>:
285: Don't spin in accept() in situations of file descriptor exhaustion. Instead
286: back off for a while.
287: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a> and
288: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>:
289: Remove hmac-sha2-256-96 and hmac-sha2-512-96 MACs as they were removed from
290: the specification. (bz#2023)
291: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>:
292: Handle long comments in config files better. (bz#2025)
293: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>:
294: Delay setting tty_flag so RequestTTY options are correctly picked up. (bz#1995)
295: <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>:
296: Fix handling of /etc/nologin incorrectly being applied to root on platforms
297: that use login_cap.
1.1 deraadt 298: </ul>
299: </ul>
300: <p>
301:
1.8 espie 302: <li>Over 7600 ports, major performance and stability improvements in
1.1 deraadt 303: the package build process
304: <ul>
1.8 espie 305: <li>dpb got simpler and faster. Handles distfiles, works without any
306: option.
1.17 lteo 307: <li>Simpler and less error-prone mechanisms for handling MD differences.
1.8 espie 308: <li>dpb is now used for mirroring distfiles, to the great joy of
309: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/distfiles/">ftp://ftp.openbsd.org/pub/OpenBSD/distfiles/</a>
1.1 deraadt 310: </ul>
311: <p>
312: <li>Many pre-built packages for each architecture:
313: <table border=0 cellspacing=0 cellpadding=2 width="95%">
314: <tr>
315: <td valign="top" width="25%">
316: <ul>
317: <li>i386: 7483
318: <li>sparc64: 6820
319: <li>alpha: 5993
320: </ul></td><td valign=top width="25%"><ul>
321: <li>sh: XXXX
322: <li>amd64: 7439
323: <li>powerpc: 7050
324: </ul></td><td valign=top width="25%"><ul>
325: <li>sparc: 4466
326: <li>arm: XXXX
327: <li>hppa: 6316
328: </ul></td><td valign=top width="25%"><ul>
329: <li>vax: XXXX
330: <li>mips64: 5845
331: <li>mips64el: 5908
332: </ul></td></tr></table>
333: <p>
334:
335: <li>Some highlights:
336: <ul>
1.11 sthen 337: <li>GNOME 3.4.2 <li>KDE 3.5.10
1.1 deraadt 338: <li>Xfce 4.10 <li>MySQL 5.1.63
339: <li>PostgreSQL 9.1.4 <li>Postfix 2.9.3
340: <li>OpenLDAP 2.3.43 and 2.4.31 <li>Mozilla Firefox 3.5.19, 3.6.28 and 13.0.1
341: <li>Mozilla Thunderbird 13.0.1 <li>GHC 7.0.4
342: <li>LibreOffice 3.5.5.3 <li>Emacs 21.4, 22.3 and 23.4
343: <li>Vim 7.3.154 <li>PHP 5.2.17 and 5.3.14
344: <li>Python 2.5.4, 2.7.3 and 3.2.3 <li>Ruby 1.8.7.370 and 1.9.3.194
345: <li>Tcl/Tk 8.5.11 <li>Jdk 1.7
346: <li>Mono 2.10.9 <li>Chromium 20.0.1132.57
347: <li>Groff 1.21 <li>Go 1.0.2
348: <li>GCC 4.6.3 and 4.7.1 <li>LLVM/Clang 3.1
1.20 lteo 349: <li>Lua 5.1.5 and 5.2.1
1.1 deraadt 350: </ul>
351: <p>
352:
353: <li>As usual, steady improvements in manual pages and other documentation.
354: <p>
355:
356: <li>The system includes the following major components from outside suppliers:
357: <ul>
1.3 matthieu 358: <li>Xenocara (based on X.Org 7.7 with xserver 1.12.2 + patches,
359: freetype 2.4.10, fontconfig 2.8.0, Mesa 7.10.3, xterm 279,
360: xkeyboard-config 2.6 and more)
1.1 deraadt 361: <li>Gcc 4.2.1 (+patches), 3.3.5 (+ patches) and 2.95.3 (+ patches)
362: <li>Perl 5.12.2 (+ patches)
363: <li>Our improved and secured version of Apache 1.3, with
364: SSL/TLS and DSO support
365: <li>Nginx 1.2.2 (+ patches)
366: <li>OpenSSL 1.0.0f (+ patches)
367: <li>SQLite 3.7.13 (+ patches)
368: <li>Sendmail 8.14.5, with libmilter
369: <li>Bind 9.4.2-P2 (+ patches)
370: <li>NSD 3.2.11
371: <li>Lynx 2.8.7rel.2 with HTTPS and IPv6 support (+ patches)
372: <li>Sudo 1.7.2p8
373: <li>Ncurses 5.7
374: <li>Heimdal 0.7.2 (+ patches)
375: <li>Arla 0.35.7
376: <li>Binutils 2.15 (+ patches)
377: <li>Gdb 6.3 (+ patches)
378: <li>Less 444 (+ patches)
379: <li>Awk Aug 10, 2011 version
380: </ul>
381:
382: </ul>
383:
384: <a name="install"></a>
385: <hr>
386: <p>
387: <h3><font color="#0000e0">How to install</font></h3>
388: <p>
389: Following this are the instructions which you would have on a piece of
390: paper if you had purchased a CDROM set instead of doing an alternate
391: form of install. The instructions for doing an FTP (or other style
392: of) install are very similar; the CDROM instructions are left intact
393: so that you can see how much easier it would have been if you had
394: purchased a CDROM instead.
395: <p>
396:
397: <hr>
398: Please refer to the following files on the three CDROMs or FTP mirror for
399: extensive details on how to install OpenBSD 5.2 on your machine:
400: <p>
401: <ul>
402: <li>CD1:5.2/i386/INSTALL.i386
403: <p>
404: <li>CD2:5.2/amd64/INSTALL.amd64
405: <p>
406: <li>CD3:5.2/sparc64/INSTALL.sparc64
407: <p>
408: <li>FTP:.../OpenBSD/5.2/alpha/INSTALL.alpha
409: <li>FTP:.../OpenBSD/5.2/armish/INSTALL.armish
410: <li>FTP:.../OpenBSD/5.2/hp300/INSTALL.hp300
411: <li>FTP:.../OpenBSD/5.2/hppa/INSTALL.hppa
412: <li>FTP:.../OpenBSD/5.2/landisk/INSTALL.landisk
413: <li>FTP:.../OpenBSD/5.2/loongson/INSTALL.loongson
414: <li>FTP:.../OpenBSD/5.2/luna88k/INSTALL.luna88k
415: <li>FTP:.../OpenBSD/5.2/macppc/INSTALL.macppc
416: <li>FTP:.../OpenBSD/5.2/mvme68k/INSTALL.mvme68k
417: <li>FTP:.../OpenBSD/5.2/mvme88k/INSTALL.mvme88k
418: <li>FTP:.../OpenBSD/5.2/sgi/INSTALL.sgi
419: <li>FTP:.../OpenBSD/5.2/socppc/INSTALL.socppc
420: <li>FTP:.../OpenBSD/5.2/sparc/INSTALL.sparc
421: <li>FTP:.../OpenBSD/5.2/vax/INSTALL.vax
422: <li>FTP:.../OpenBSD/5.2/zaurus/INSTALL.zaurus
423: </ul>
424: <hr>
425:
426: <p>
427: Quick installer information for people familiar with OpenBSD, and the
428: use of the "disklabel -E" command. If you are at all confused when
429: installing OpenBSD, read the relevant INSTALL.* file as listed above!
430: <p>
431:
432: <h3><font color="#e00000">OpenBSD/i386:</font></h3>
433: <ul>
434: Play with your BIOS options to enable booting from a CD. The OpenBSD/i386
435: release is on CD1. If your BIOS does not support booting from CD, you will need
436: to create a boot floppy to install from. To create a boot floppy write
437: <i>CD1:5.2/i386/floppy52.fs</i> to a floppy and boot via the floppy drive.
438:
439: <p>
440: Use <i>CD1:5.2/i386/floppyB52.fs</i> instead for greater SCSI controller
441: support, or <i>CD1:5.2/i386/floppyC52.fs</i> for better laptop support.
442:
443: <p>
444: If you can't boot from a CD or a floppy disk,
445: you can install across the network using PXE as described in
446: the included INSTALL.i386 document.
447:
448: <p>
449: If you are planning on dual booting OpenBSD with another OS, you will need to
450: read INSTALL.i386.
451:
452: <p>
453: To make a boot floppy under MS-DOS, use the "rawrite" utility located
454: at <i>CD1:5.2/tools/rawrite.exe</i>. To make the boot floppy under a Unix OS,
455: use the
456: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dd&sektion=1">dd(1)</a>
457: utility. The following is an example usage of
458: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dd&sektion=1">dd(1)</a>,
459: where the device could be "floppy", "rfd0c", or
460: "rfd0a".
461:
462: <ul><pre>
463: # <strong>dd if=<file> of=/dev/<device> bs=32k</strong>
464: </pre></ul>
465:
466: <p>
467: Make sure you use properly formatted perfect floppies with NO BAD BLOCKS or
468: your install will most likely fail. For more information on creating a boot
469: floppy and installing OpenBSD/i386 please refer to
470: <a href="faq/faq4.html#MkFlop">FAQ 4.3.2</a>.
471: </ul>
472:
473: <p>
474: <h3><font color="#e00000">OpenBSD/amd64:</font></h3>
475: <ul>
476: The 5.2 release of OpenBSD/amd64 is located on CD2.
477: Boot from the CD to begin the install - you may need to adjust
478: your BIOS options first.
479: If you can't boot from the CD, you can create a boot floppy to install from.
480: To do this, write <i>CD2:5.2/amd64/floppy52.fs</i> to a floppy, then
481: boot from the floppy drive.
482:
483: <p>
484: If you can't boot from a CD or a floppy disk,
485: you can install across the network using PXE as described in the included
486: INSTALL.amd64 document.
487:
488: <p>
489: If you are planning to dual boot OpenBSD with another OS, you will need to
490: read INSTALL.amd64.
491: </ul>
492:
493: <p>
494: <h3><font color="#e00000">OpenBSD/macppc:</font></h3>
495: <ul>
496: Burn the image from the FTP site to a CDROM, and poweron your machine
497: while holding down the <i>C</i> key until the display turns on and
498: shows <i>OpenBSD/macppc boot</i>.
499:
500: <p>
501: Alternatively, at the Open Firmware prompt, enter <i>boot cd:,ofwboot
502: /5.2/macppc/bsd.rd</i>
503: </ul>
504:
505: <p>
506: <h3><font color="#e00000">OpenBSD/sparc64:</font></h3>
507: <ul>
508: Put CD3 in your CDROM drive and type <i>boot cdrom</i>.
509:
510: <p>
511: If this doesn't work, or if you don't have a CDROM drive, you can write
512: <i>CD3:5.2/sparc64/floppy52.fs</i> or <i>CD3:5.2/sparc64/floppyB52.fs</i>
513: (depending on your machine) to a floppy and boot it with <i>boot
514: floppy</i>. Refer to INSTALL.sparc64 for details.
515:
516: <p>
517: Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install
518: will most likely fail.
519:
520: <p>
521: You can also write <i>CD3:5.2/sparc64/miniroot52.fs</i> to the swap partition on
522: the disk and boot with <i>boot disk:b</i>.
523:
524: <p>
525: If nothing works, you can boot over the network as described in INSTALL.sparc64.
526: </ul>
527:
528: <p>
529: <h3><font color="#e00000">OpenBSD/alpha:</font></h3>
530: <ul>
531: <p>Write <i>FTP:5.2/alpha/floppy52.fs</i> or
532: <i>FTP:5.2/alpha/floppyB52.fs</i> (depending on your machine) to a diskette and
533: enter <i>boot dva0</i>. Refer to INSTALL.alpha for more details.
534:
535: <p>
536: Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install
537: will most likely fail.
538:
539: </ul>
540:
541: <p>
542: <h3><font color="#e00000">OpenBSD/armish:</font></h3>
543: <ul>
544: <p>
545: After connecting a serial port, Thecus can boot directly from the network
546: either tftp or http. Configure the network using fconfig, reset,
547: then load bsd.rd, see INSTALL.armish for specific details.
548: IOData HDL-G can only boot from an EXT-2 partition. Boot into linux
549: and copy 'boot' and bsd.rd into the first partition on wd0 (hda1)
550: then load and run bsd.rd, preserving the wd0i (hda1) ext2fs partition.
551: More details are available in INSTALL.armish.
552: </ul>
553:
554: <p>
555: <h3><font color="#e00000">OpenBSD/hp300:</font></h3>
556: <ul>
557: <p>
558: Boot over the network by following the instructions in INSTALL.hp300.
559: </ul>
560:
561: <p>
562: <h3><font color="#e00000">OpenBSD/hppa:</font></h3>
563: <ul>
564: <p>
565: Boot over the network by following the instructions in INSTALL.hppa or the
566: <a href="hppa.html#install">hppa platform page</a>.
567: </ul>
568:
569: <p>
570: <h3><font color="#e00000">OpenBSD/landisk:</font></h3>
571: <ul>
572: <p>
573: Write <i>miniroot52.fs</i> to the start of the CF
574: or disk, and boot normally.
575: </ul>
576:
577: <p>
578: <h3><font color="#e00000">OpenBSD/loongson:</font></h3>
579: <ul>
580: <p>
581: Write <i>miniroot52.fs</i> to a USB stick and boot bsd.rd from it
582: or boot bsd.rd via tftp.
583: Refer to the instructions in INSTALL.loongson for more details.
584: </ul>
585: <p>
586:
587: <p>
588: <h3><font color="#e00000">OpenBSD/luna88k:</font></h3>
589: <ul>
590: <p>
591: Copy bsd.rd to a Mach or UniOS partition, and boot it from the PROM.
592: Alternatively, you can create a bootable tape and boot from it. Refer to
593: the instructions in INSTALL.luna88k for more details.
594: </ul>
595:
596: <p>
597: <h3><font color="#e00000">OpenBSD/mvme68k:</font></h3>
598: <ul>
599: <p>
600: You can create a bootable installation tape or boot over the network.<br>
601: The network boot requires a MVME68K BUG version that supports the <i>NIOT</i>
602: and <i>NBO</i> debugger commands. Follow the instructions in INSTALL.mvme68k
603: for more details.
604: </ul>
605:
606: <p>
607: <h3><font color="#e00000">OpenBSD/mvme88k:</font></h3>
608: <ul>
609: <p>
610: You can create a bootable installation tape or boot over the network.<br>
611: The network boot requires a MVME88K BUG version that supports the <i>NIOT</i>
612: and <i>NBO</i> debugger commands. Follow the instructions in INSTALL.mvme88k
613: for more details.
614: </ul>
615:
616: <p>
617: <h3><font color="#e00000">OpenBSD/sgi:</font></h3>
618: <ul>
619: <p>
620: To install on an O2, burn cd52.iso on a CD-R, put it in the CD drive of your
621: machine and select <i>Install System Software</i> from the System Maintenance
622: menu.
623:
624: <p>
625: On other systems, or if your machine doesn't have a CD drive, you can
626: setup a DHCP/tftp network server, and boot using "bootp()/bsd.rd.IP##" using
627: the kernel matching your system type.
628: Refer to the instructions in INSTALL.sgi for more details.
629: </ul>
630:
631: <p>
632: <h3><font color="#e00000">OpenBSD/socppc:</font></h3>
633: <ul>
634: <p>
635: After connecting a serial port, boot over the network via DHCP/tftp.
636: Refer to the instructions in INSTALL.socppc for more details.
637: </ul>
638:
639: <p>
640: <h3><font color="#e00000">OpenBSD/sparc:</font></h3>
641: <ul>
642: Boot from one of the provided install ISO images, using one of the two
643: commands listed below, depending on the version of your ROM.
644:
645: <ul><pre>
646: ok <strong>boot cdrom 5.2/sparc/bsd.rd</strong>
647: or
648: > <strong>b sd(0,6,0)5.2/sparc/bsd.rd</strong>
649: </pre></ul>
650:
651: <p>
652: If your SPARC system does not have a CD drive, you can alternatively boot from floppy.
653: To do so you need to write <i>floppy52.fs</i> to a floppy.
654: For more information see <a href="faq/faq4.html#MkFlop">FAQ 4.3.2</a>.
655: To boot from the floppy use one of the two commands listed below,
656: depending on the version of your ROM.
657:
658: <ul><pre>
659: ok <strong>boot floppy</strong>
660: or
661: > <strong>b fd()</strong>
662: </pre></ul>
663:
664: <p>
665: Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install
666: will most likely fail.
667:
668: <p>
669: If your SPARC system doesn't have a floppy drive nor a CD drive, you can either
670: setup a bootable tape, or install via network, as told in the
671: INSTALL.sparc file.
672: </ul>
673:
674: <p>
675: <h3><font color="#e00000">OpenBSD/vax:</font></h3>
676: <ul>
677: Boot over the network via mopbooting as described in INSTALL.vax.
678: </ul>
679:
680: <p>
681: <h3><font color="#e00000">OpenBSD/zaurus:</font></h3>
682: <ul>
683: <p>
684: Using the Linux built-in graphical ipkg installer, install the
685: openbsd52_arm.ipk package. Reboot, then run it. Read INSTALL.zaurus
686: for a few important details.
687: </ul>
688:
689: <p>
690: <h3><font color="#e00000">Notes about the source code:</font></h3>
691: <ul>
692: src.tar.gz contains a source archive starting at /usr/src. This file
693: contains everything you need except for the kernel sources, which are
694: in a separate archive. To extract:
695: <p>
696: <ul><pre>
697: # <strong>mkdir -p /usr/src</strong>
698: # <strong>cd /usr/src</strong>
699: # <strong>tar xvfz /tmp/src.tar.gz</strong>
700: </pre></ul>
701: <p>
702: sys.tar.gz contains a source archive starting at /usr/src/sys.
703: This file contains all the kernel sources you need to rebuild kernels.
704: To extract:
705: <p>
706: <ul><pre>
707: # <strong>mkdir -p /usr/src/sys</strong>
708: # <strong>cd /usr/src</strong>
709: # <strong>tar xvfz /tmp/sys.tar.gz</strong>
710: </pre></ul>
711: <p>
712: Both of these trees are a regular CVS checkout. Using these trees it
713: is possible to get a head-start on using the anoncvs servers as
714: described <a href="anoncvs.html">here</a>.
715: Using these files
716: results in a much faster initial CVS update than you could expect from
717: a fresh checkout of the full OpenBSD source tree.
718: <p>
719: </ul>
720:
721: <a name="upgrade"></a>
722: <hr>
723: <p>
724: <h3><font color="#0000e0">How to upgrade</font></h3>
725: <p>
726: If you already have an OpenBSD 5.1 system, and do not want to reinstall,
727: upgrade instructions and advice can be found in the
728: <a href="faq/upgrade52.html">Upgrade Guide</a>.
729:
730: <a name="ports"></a>
731: <hr>
732: <p>
733: <h3><font color="#0000e0">Ports Tree</font></h3>
734: <p>
735: A ports tree archive is also provided. To extract:
736: <p>
737: <ul><pre>
738: # <strong>cd /usr</strong>
739: # <strong>tar xvfz /tmp/ports.tar.gz</strong>
740: # <strong>cd ports</strong>
741: </pre></ul>
742: <p>
743: The <i>ports/</i> subdirectory is a checkout of the OpenBSD ports tree. Go
744: read the <a href="faq/ports/index.html">ports</a> page
745: if you know nothing about ports
746: at this point. This text is not a manual of how to use ports.
747: Rather, it is a set of notes meant to kickstart the user on the
748: OpenBSD ports system.
749: <p>
750: The <i>ports/</i> directory represents a CVS (see the manpage for
751: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=cvs&apropos=0&sektion=1&manpath=OpenBSD+Current&arch=i386">
752: cvs(1)</a> if
753: you aren't familiar with CVS) checkout of our ports. As with our complete
754: source tree, our ports tree is available via anoncvs. So, in
755: order to keep current with it, you must make the <i>ports/</i> tree
756: available on a read-write medium and update the tree with a command
757: like:
758: <p>
759: <ul><pre>
760: # <strong>cd [portsdir]/; cvs -d anoncvs@server.openbsd.org:/cvs update -Pd -rOPENBSD_5_2</strong>
761: </pre></ul>
762: <p>
763: [Of course, you must replace the local directory and server name here
764: with the location of your ports collection and a nearby anoncvs
765: server.]
766: <p>
767: Note that most ports are available as packages through FTP. Updated
768: packages for the 5.2 release will be made available if problems arise.
769: <p>
770: If you're interested in seeing a port added, would like to help out, or just
771: would like to know more, the mailing list
772: <a href="mail.html">ports@openbsd.org</a> is a good place to know.
773: <p>
774:
775: <hr>
776: <a href="index.html"><img height="24" width="24" src="back.gif" border="0"
777: alt="OpenBSD"></a>
778: <a href="mailto:www@openbsd.org">www@openbsd.org</a>
779: <br><small>
1.30 ! claudio 780: $OpenBSD: 52.html,v 1.29 2012/09/06 19:09:13 matthew Exp $
1.1 deraadt 781: </small>
782:
783: </body>
784: </html>