diff options
author | Colin Watson <cjwatson@debian.org> | 2010-01-01 23:53:30 +0000 |
---|---|---|
committer | Colin Watson <cjwatson@debian.org> | 2010-01-01 23:53:30 +0000 |
commit | df03186a4f9e0c2ece398b5c0571cb6263d7a752 (patch) | |
tree | 1aab079441dff9615274769b19f2d734ddf508dd /ssh.1 | |
parent | 6ad6994c288662fca6949f42bf91fec2aff00bca (diff) | |
parent | 99b402ea4c8457b0a3cafff37f5b3410a8dc6476 (diff) |
* New upstream release (closes: #536182). Yes, I know 5.3p1 has been out
for a while, but there's no GSSAPI patch available for it yet.
- Change the default cipher order to prefer the AES CTR modes and the
revised "arcfour256" mode to CBC mode ciphers that are susceptible to
CPNI-957037 "Plaintext Recovery Attack Against SSH".
- Add countermeasures to mitigate CPNI-957037-style attacks against the
SSH protocol's use of CBC-mode ciphers. Upon detection of an invalid
packet length or Message Authentication Code, ssh/sshd will continue
reading up to the maximum supported packet length rather than
immediately terminating the connection. This eliminates most of the
known differences in behaviour that leaked information about the
plaintext of injected data which formed the basis of this attack
(closes: #506115, LP: #379329).
- ForceCommand directive now accepts commandline arguments for the
internal-sftp server (closes: #524423, LP: #362511).
- Add AllowAgentForwarding to available Match keywords list (closes:
#540623).
- Make ssh(1) send the correct channel number for
SSH2_MSG_CHANNEL_SUCCESS and SSH2_MSG_CHANNEL_FAILURE messages to
avoid triggering 'Non-public channel' error messages on sshd(8) in
openssh-5.1.
- Avoid printing 'Non-public channel' warnings in sshd(8), since the
ssh(1) has sent incorrect channel numbers since ~2004 (this reverts a
behaviour introduced in openssh-5.1; closes: #496017).
* Update to GSSAPI patch from
http://www.sxw.org.uk/computing/patches/openssh-5.2p1-gsskex-all-20090726.patch,
including cascading credentials support (LP: #416958).
Diffstat (limited to 'ssh.1')
-rw-r--r-- | ssh.1 | 23 |
1 files changed, 18 insertions, 5 deletions
@@ -34,8 +34,8 @@ | |||
34 | .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 34 | .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
35 | .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 35 | .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
36 | .\" | 36 | .\" |
37 | .\" $OpenBSD: ssh.1,v 1.277 2008/07/02 13:47:39 djm Exp $ | 37 | .\" $OpenBSD: ssh.1,v 1.282 2009/02/12 03:44:25 djm Exp $ |
38 | .Dd $Mdocdate: July 2 2008 $ | 38 | .Dd $Mdocdate: February 12 2009 $ |
39 | .Dt SSH 1 | 39 | .Dt SSH 1 |
40 | .Os | 40 | .Os |
41 | .Sh NAME | 41 | .Sh NAME |
@@ -43,7 +43,7 @@ | |||
43 | .Nd OpenSSH SSH client (remote login program) | 43 | .Nd OpenSSH SSH client (remote login program) |
44 | .Sh SYNOPSIS | 44 | .Sh SYNOPSIS |
45 | .Nm ssh | 45 | .Nm ssh |
46 | .Op Fl 1246AaCfgKkMNnqsTtVvXxY | 46 | .Op Fl 1246AaCfgKkMNnqsTtVvXxYy |
47 | .Op Fl b Ar bind_address | 47 | .Op Fl b Ar bind_address |
48 | .Op Fl c Ar cipher_spec | 48 | .Op Fl c Ar cipher_spec |
49 | .Oo Fl D\ \& | 49 | .Oo Fl D\ \& |
@@ -568,6 +568,13 @@ will only succeed if the server's | |||
568 | .Cm GatewayPorts | 568 | .Cm GatewayPorts |
569 | option is enabled (see | 569 | option is enabled (see |
570 | .Xr sshd_config 5 ) . | 570 | .Xr sshd_config 5 ) . |
571 | .Pp | ||
572 | If the | ||
573 | .Ar port | ||
574 | argument is | ||
575 | .Ql 0 , | ||
576 | the listen port will be dynamically allocated on the server and reported | ||
577 | to the client at run time. | ||
571 | .It Fl S Ar ctl_path | 578 | .It Fl S Ar ctl_path |
572 | Specifies the location of a control socket for connection sharing, | 579 | Specifies the location of a control socket for connection sharing, |
573 | or the string | 580 | or the string |
@@ -666,6 +673,11 @@ Disables X11 forwarding. | |||
666 | Enables trusted X11 forwarding. | 673 | Enables trusted X11 forwarding. |
667 | Trusted X11 forwardings are not subjected to the X11 SECURITY extension | 674 | Trusted X11 forwardings are not subjected to the X11 SECURITY extension |
668 | controls. | 675 | controls. |
676 | .It Fl y | ||
677 | Send log information using the | ||
678 | .Xr syslog 3 | ||
679 | system module. | ||
680 | By default this information is sent to stderr. | ||
669 | .El | 681 | .El |
670 | .Pp | 682 | .Pp |
671 | .Nm | 683 | .Nm |
@@ -901,9 +913,10 @@ Send a BREAK to the remote system | |||
901 | .It Cm ~C | 913 | .It Cm ~C |
902 | Open command line. | 914 | Open command line. |
903 | Currently this allows the addition of port forwardings using the | 915 | Currently this allows the addition of port forwardings using the |
904 | .Fl L | 916 | .Fl L , |
905 | and | ||
906 | .Fl R | 917 | .Fl R |
918 | and | ||
919 | .Fl D | ||
907 | options (see above). | 920 | options (see above). |
908 | It also allows the cancellation of existing remote port-forwardings | 921 | It also allows the cancellation of existing remote port-forwardings |
909 | using | 922 | using |