diff options
Diffstat (limited to 'usr.bin/ssh/ssh.1')
| -rw-r--r-- | usr.bin/ssh/ssh.1 | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/usr.bin/ssh/ssh.1 b/usr.bin/ssh/ssh.1 index 27808b1f3b2..fd822bb3d38 100644 --- a/usr.bin/ssh/ssh.1 +++ b/usr.bin/ssh/ssh.1 @@ -34,7 +34,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $OpenBSD: ssh.1,v 1.167 2002/09/27 15:46:21 stevesk Exp $ +.\" $OpenBSD: ssh.1,v 1.168 2003/03/28 10:11:43 jmc Exp $ .Dd September 25, 1999 .Dt SSH 1 .Os @@ -48,6 +48,7 @@ .Op Ar command .Pp .Nm ssh +.Bk -words .Op Fl afgknqstvxACNTX1246 .Op Fl b Ar bind_address .Op Fl c Ar cipher_spec @@ -66,6 +67,8 @@ .Sm on .Xc .Oc +.Ek +.Bk -words .Oo Fl R Xo .Sm off .Ar port : @@ -77,6 +80,7 @@ .Op Fl D Ar port .Ar hostname | user@hostname .Op Ar command +.Ek .Sh DESCRIPTION .Nm (SSH client) is a program for logging into a remote machine and for @@ -361,7 +365,7 @@ variable is set to .Fl A and .Fl a -options described later) and +options described later) and the user is using an authentication agent, the connection to the agent is automatically forwarded to the remote side. .Pp @@ -403,10 +407,11 @@ Disables forwarding of the authentication agent connection. Enables forwarding of the authentication agent connection. This can also be specified on a per-host basis in a configuration file. .Pp -Agent forwarding should be enabled with caution. Users with the -ability to bypass file permissions on the remote host (for the agent's -Unix-domain socket) can access the local agent through the forwarded -connection. An attacker cannot obtain key material from the agent, +Agent forwarding should be enabled with caution. +Users with the ability to bypass file permissions on the remote host +(for the agent's Unix-domain socket) +can access the local agent through the forwarded connection. +An attacker cannot obtain key material from the agent, however they can perform operations on the keys that enable them to authenticate using the identities loaded into the agent. .It Fl b Ar bind_address @@ -428,8 +433,8 @@ is only supported in the client for interoperability with legacy protocol 1 implementations that do not support the .Ar 3des -cipher. Its use is strongly discouraged due to cryptographic -weaknesses. +cipher. +Its use is strongly discouraged due to cryptographic weaknesses. .It Fl c Ar cipher_spec Additionally, for protocol version 2 a comma-separated list of ciphers can be specified in order of preference. @@ -566,11 +571,11 @@ Disables X11 forwarding. Enables X11 forwarding. This can also be specified on a per-host basis in a configuration file. .Pp -X11 forwarding should be enabled with caution. Users with the ability -to bypass file permissions on the remote host (for the user's X -authorization database) can access the local X11 display through the -forwarded connection. An attacker may then be able to perform -activities such as keystroke monitoring. +X11 forwarding should be enabled with caution. +Users with the ability to bypass file permissions on the remote host +(for the user's X authorization database) +can access the local X11 display through the forwarded connection. +An attacker may then be able to perform activities such as keystroke monitoring. .It Fl C Requests compression of all data (including stdin, stdout, stderr, and data for forwarded X11 and TCP/IP connections). @@ -637,7 +642,8 @@ This works by allocating a socket to listen to on the local side, and whenever a connection is made to this port, the connection is forwarded over the secure channel, and the application protocol is then used to determine where to connect to from the -remote machine. Currently the SOCKS4 protocol is supported, and +remote machine. +Currently the SOCKS4 protocol is supported, and .Nm will act as a SOCKS4 server. Only root can forward privileged ports. |