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[ssh.1 ssh_config.5 sshd.8]
Remove mentions of weird "addr/port" alternate address format for IPv6
addresses combinations. It hasn't worked for ages and we have supported
the more commen "[addr]:port" format for a long time. ok jmc@ markus@
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[clientloop.c readconf.c readconf.h ssh.c ssh_config.5]
add a "ControlPersist" option that automatically starts a background
ssh(1) multiplex master when connecting. This connection can stay alive
indefinitely, or can be set to automatically close after a user-specified
duration of inactivity. bz#1330 - patch by dwmw2 AT infradead.org, but
further hacked on by wmertens AT cisco.com, apb AT cequrux.com,
martin-mindrot-bugzilla AT earth.li and myself; "looks ok" markus@
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[ssh.c ssh_config.5]
expand %h to the hostname in ssh_config Hostname options. While this
sounds useless, it is actually handy for working with unqualified
hostnames:
Host *.*
Hostname %h
Host *
Hostname %h.example.org
"I like it" markus@
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[ssh_config.5]
tweak previous;
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[ssh.c]
log the hostname and address that we connected to at LogLevel=verbose
after authentication is successful to mitigate "phishing" attacks by
servers with trusted keys that accept authentication silently and
automatically before presenting fake password/passphrase prompts;
"nice!" markus@
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- jmc@cvs.openbsd.org 2010/04/16 06:45:01
[ssh_config.5]
tweak previous; ok djm
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[ssh_config.5 sshconnect.c]
expand %r => remote username in ssh_config:ProxyCommand;
ok deraadt markus
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[ssh_config.5]
tweak previous; ok dtucker
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[ssh_config.5]
Reformat default value of PreferredAuthentications entry (current
formatting implies ", " is acceptable as a separator, which it's not.
ok djm@
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[ssh-add.1 ssh.1 ssh_config.5]
mention loading of certificate files from [private]-cert.pub when
they are present; feedback and ok jmc@
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[ssh-add.1 ssh-keygen.1 ssh.1 ssh_config.5]
pkcs#11 is no longer optional; improve wording; ok jmc@
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[pathnames.h readconf.c readconf.h scp.1 sftp.1 ssh-add.1 ssh-add.c]
[ssh-agent.c ssh-keygen.1 ssh-keygen.c ssh.1 ssh.c ssh_config.5]
replace our obsolete smartcard code with PKCS#11.
ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-11/v2-20/pkcs-11v2-20.pdf
ssh(1) and ssh-keygen(1) use dlopen(3) directly to talk to a PKCS#11
provider (shared library) while ssh-agent(1) delegates PKCS#11 to
a forked a ssh-pkcs11-helper process.
PKCS#11 is currently a compile time option.
feedback and ok djm@; inspired by patches from Alon Bar-Lev
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[channels.c ssh.1 servconf.c sshd_config.5 sshd.c channels.h servconf.h
ssh-keyscan.1 ssh-keyscan.c readconf.c sshconnect.c misc.c ssh.c
readconf.h scp.1 sftp.1 ssh_config.5 misc.h]
Remove RoutingDomain from ssh since it's now not needed. It can be
replaced with "route exec" or "nc -V" as a proxycommand. "route exec"
also ensures that trafic such as DNS lookups stays withing the specified
routingdomain. For example (from reyk):
# route -T 2 exec /usr/sbin/sshd
or inherited from the parent process
$ route -T 2 exec sh
$ ssh 10.1.2.3
ok deraadt@ markus@ stevesk@ reyk@
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[sshd_config.5 ssh_config.5]
sort previous;
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[sshd_config.5 readconf.c ssh_config.5 scp.1 servconf.c sftp.1 ssh.1]
Rename RDomain config option to RoutingDomain to be more clear and
consistent with other options.
NOTE: if you currently use RDomain in the ssh client or server config,
or ssh/sshd -o, you must update to use RoutingDomain.
ok markus@ djm@
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[ssh_config.5]
explain the constraints on LocalCommand some more so people don't
try to abuse it.
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[ssh_config.5 sshd.c misc.h ssh-keyscan.1 readconf.h sshconnect.c
channels.c channels.h servconf.h servconf.c ssh.1 ssh-keyscan.c scp.1
sftp.1 sshd_config.5 readconf.c ssh.c misc.c]
Allow to set the rdomain in ssh/sftp/scp/sshd and ssh-keyscan.
ok markus@
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[sshd_config.5 ssh_config.5 sshd.8 ssh.1]
some tweaks now that protocol 1 is not offered by default; ok markus
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- markus@cvs.openbsd.org 2009/10/08 14:03:41
[sshd_config readconf.c ssh_config.5 servconf.c sshd_config.5]
disable protocol 1 by default (after a transition period of about 10 years)
ok deraadt
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[ssh_config.5 sshd_config.5]
don't advertise experimental options
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[ssh_config.5]
kill trailing whitespace;
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[ssh_config.5]
document RemoteForward usage with 0 listen port
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[ssh_config.5 sshd_config.5]
sync list of preferred ciphers; ok djm@
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[auth.h auth2.c monitor.c monitor.h monitor_wrap.c monitor_wrap.h]
[readconf.c readconf.h servconf.c servconf.h ssh2.h ssh_config.5]
[sshconnect2.c sshd_config.5 jpake.c jpake.h schnorr.c auth2-jpake.c]
[Makefile.in]
Add support for an experimental zero-knowledge password authentication
method using the J-PAKE protocol described in F. Hao, P. Ryan,
"Password Authenticated Key Exchange by Juggling", 16th Workshop on
Security Protocols, Cambridge, April 2008.
This method allows password-based authentication without exposing
the password to the server. Instead, the client and server exchange
cryptographic proofs to demonstrate of knowledge of the password while
revealing nothing useful to an attacker or compromised endpoint.
This is experimental, work-in-progress code and is presently
compiled-time disabled (turn on -DJPAKE in Makefile.inc).
"just commit it. It isn't too intrusive." deraadt@
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[ssh_config.5]
correct and clarify VisualHostKey; ok jmc@
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[ssh_config.5]
use 'Privileged ports can be forwarded only when logging in as root on
the remote machine.' for RemoteForward just like ssh.1 -R.
ok djm@ jmc@
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[ssh_config.5]
whitepsace -> whitespace. From Matthew Clarke via bugs@.
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[readconf.c readconf.h ssh.1 ssh_config.5 sshconnect.c]
Move SSH Fingerprint Visualization away from sharing the config option
CheckHostIP to an own config option named VisualHostKey.
While there, fix the behaviour that ssh would draw a random art picture
on every newly seen host even when the option was not enabled.
prodded by deraadt@, discussions,
help and ok markus@ djm@ dtucker@
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[ssh_config.5 ssh-keygen.1]
tweak the ascii art text; ok grunk
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[ssh_config.5 ssh.c]
keyword expansion for localcommand. ok djm@
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[ssh_config.5]
CheckHostIP set to ``fingerprint'' will display both hex and random art
spotted by naddy@
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[ssh_config.5 key.h readconf.c readconf.h ssh-keygen.1 ssh-keygen.c key.c
sshconnect.c]
Introduce SSH Fingerprint ASCII Visualization, a technique inspired by the
graphical hash visualization schemes known as "random art", and by
Dan Kaminsky's musings on the subject during a BlackOp talk at the
23C3 in Berlin.
Scientific publication (original paper):
"Hash Visualization: a New Technique to improve Real-World Security",
Perrig A. and Song D., 1999, International Workshop on Cryptographic
Techniques and E-Commerce (CrypTEC '99)
http://sparrow.ece.cmu.edu/~adrian/projects/validation/validation.pdf
The algorithm used here is a worm crawling over a discrete plane,
leaving a trace (augmenting the field) everywhere it goes.
Movement is taken from dgst_raw 2bit-wise. Bumping into walls
makes the respective movement vector be ignored for this turn,
thus switching to the other color of the chessboard.
Graphs are not unambiguous for now, because circles in graphs can be
walked in either direction.
discussions with several people,
help, corrections and ok markus@ djm@
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[ssh_config.5]
clarify that Host patterns are space-separated. ok deraadt
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[ssh_config.5]
clean up after previous macro removal;
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[ssh_config.5]
ProxyCommand and LocalCommand use the user's shell, not /bin/sh; ok djm@
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[ssh_config.5]
document KbdInteractiveAuthentication in ssh_config.5;
patch from dkg AT fifthhorseman.net
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[ssh_config.5]
tun device forwarding now honours ExitOnForwardFailure; ok markus@
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[ssh_config.5]
put the MAC list into a display, like we do for ciphers,
since groff has trouble handling wide lines;
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[kex.h mac.c mac.h monitor_wrap.c myproposal.h packet.c ssh.1]
[ssh_config.5 sshd.8 sshd_config.5]
Add a new MAC algorithm for data integrity, UMAC-64 (not default yet,
must specify umac-64@openssh.com). Provides about 20% end-to-end speedup
compared to hmac-md5. Represents a different approach to message
authentication to that of HMAC that may be beneficial if HMAC based on
one of its underlying hash algorithms is found to be vulnerable to a
new attack. http://www.ietf.org/rfc/rfc4418.txt
in conjunction with and OK djm@
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[scp.1 ssh_config.5 sftp-server.8 ssh-agent.1 sshd_config.5 sftp.1
ssh-keygen.1 ssh-keyscan.1 ssh-add.1 sshd.8 ssh.1 ssh-keysign.8]
convert to new .Dd format;
(We will need to teach mdoc2man.awk to understand this too.)
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[ssh_config.5]
do not use a list for SYNOPSIS;
this is actually part of a larger report sent by eric s. raymond
and forwarded by brad, but i only read half of it. spotted by brad.
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[ssh_config.5]
avoid confusing wording in HashKnownHosts:
originally spotted by alan amesbury;
ok deraadt
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[clientloop.c ssh.1 ssh.c channels.c ssh_config.5 readconf.h session.c
channels.h readconf.c]
add ExitOnForwardFailure: terminate the connection if ssh(1)
cannot set up all requested dynamic, local, and remote port
forwardings. ok djm, dtucker, stevesk, jmc
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[ssh.1 ssh.c ssh_config.5 sshd_config.5]
more details and clarity for tun(4) device forwarding; ok and help
jmc@
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[ssh_config.5]
oops - previous was too long; split the list of auths up
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[ssh_config.5]
Add gssapi-with-mic to PreferredAuthentications default list; ok jmc
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[ssh_config.5]
remote user escape is %r not %h; spotted by jmc@
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[ssh_config.5]
kill trailing whitespace;
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[ssh.c ssh_config.5]
add percent escape chars to the IdentityFile option, bz #1159 based
on a patch by imaging AT math.ualberta.ca; feedback and ok dtucker@
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[ssh_config.5 sshd_config.5]
*AliveCountMax applies to protcol v2 only; ok dtucker, djm
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