version 1.9.2.2, 2013/06/23 06:26:14 |
version 1.9.2.3, 2014/08/19 23:45:25 |
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
.\" |
.\" |
.\" $OpenBSD: ssh.1,v 1.330 2012/10/04 13:21:50 markus Exp $ |
.\" $OpenBSD: ssh.1,v 1.334 2013/07/18 01:12:26 djm Exp $ |
.Dd October 4 2012 |
.Dd July 18 2013 |
.Dt SSH 1 |
.Dt SSH 1 |
.Os |
.Os |
.Sh NAME |
.Sh NAME |
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.Op Fl b Ar bind_address |
.Op Fl b Ar bind_address |
.Op Fl c Ar cipher_spec |
.Op Fl c Ar cipher_spec |
.Op Fl D Oo Ar bind_address : Oc Ns Ar port |
.Op Fl D Oo Ar bind_address : Oc Ns Ar port |
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.Op Fl E Ar log_file |
.Op Fl e Ar escape_char |
.Op Fl e Ar escape_char |
.Op Fl F Ar configfile |
.Op Fl F Ar configfile |
.Op Fl I Ar pkcs11 |
.Op Fl I Ar pkcs11 |
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.Oo Ar user Ns @ Oc Ns Ar hostname |
.Oo Ar user Ns @ Oc Ns Ar hostname |
.Op Ar command |
.Op Ar command |
.Ek |
.Ek |
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.Nm |
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.Fl Q Ar protocol_feature |
.Sh DESCRIPTION |
.Sh DESCRIPTION |
.Nm |
.Nm |
(SSH client) is a program for logging into a remote machine and for |
(SSH client) is a program for logging into a remote machine and for |
Line 214 indicates that the listening port be bou |
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Line 217 indicates that the listening port be bou |
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empty address or |
empty address or |
.Sq * |
.Sq * |
indicates that the port should be available from all interfaces. |
indicates that the port should be available from all interfaces. |
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.It Fl E Ar log_file |
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Append debug logs to |
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.Ar log_file |
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instead of standard error. |
.It Fl e Ar escape_char |
.It Fl e Ar escape_char |
Sets the escape character for sessions with a pty (default: |
Sets the escape character for sessions with a pty (default: |
.Ql ~ ) . |
.Ql ~ ) . |
Line 474 For full details of the options listed b |
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Line 481 For full details of the options listed b |
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Port to connect to on the remote host. |
Port to connect to on the remote host. |
This can be specified on a |
This can be specified on a |
per-host basis in the configuration file. |
per-host basis in the configuration file. |
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.It Fl Q Ar protocol_feature |
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Queries |
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.Nm |
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for the algorithms supported for the specified version 2 |
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.Ar protocol_feature . |
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The queriable features are: |
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.Dq cipher |
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(supported symmetric ciphers), |
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.Dq MAC |
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(supported message integrity codes), |
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.Dq KEX |
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(key exchange algorithms), |
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.Dq key |
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(key types). |
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Protocol features are treated case-insensitively. |
.It Fl q |
.It Fl q |
Quiet mode. |
Quiet mode. |
Causes most warning and diagnostic messages to be suppressed. |
Causes most warning and diagnostic messages to be suppressed. |
Line 719 implements public key authentication pro |
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Line 741 implements public key authentication pro |
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using one of the DSA, ECDSA or RSA algorithms. |
using one of the DSA, ECDSA or RSA algorithms. |
Protocol 1 is restricted to using only RSA keys, |
Protocol 1 is restricted to using only RSA keys, |
but protocol 2 may use any. |
but protocol 2 may use any. |
The |
The HISTORY section of |
.Sx HISTORY |
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section of |
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.Xr ssl 8 |
.Xr ssl 8 |
contains a brief discussion of the DSA and RSA algorithms. |
contains a brief discussion of the DSA and RSA algorithms. |
.Pp |
.Pp |
Line 777 instead of a set of public/private keys, |
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Line 797 instead of a set of public/private keys, |
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signed certificates are used. |
signed certificates are used. |
This has the advantage that a single trusted certification authority |
This has the advantage that a single trusted certification authority |
can be used in place of many public/private keys. |
can be used in place of many public/private keys. |
See the |
See the CERTIFICATES section of |
.Sx CERTIFICATES |
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section of |
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.Xr ssh-keygen 1 |
.Xr ssh-keygen 1 |
for more information. |
for more information. |
.Pp |
.Pp |
Line 1306 This is the per-user configuration file. |
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Line 1324 This is the per-user configuration file. |
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The file format and configuration options are described in |
The file format and configuration options are described in |
.Xr ssh_config 5 . |
.Xr ssh_config 5 . |
Because of the potential for abuse, this file must have strict permissions: |
Because of the potential for abuse, this file must have strict permissions: |
read/write for the user, and not accessible by others. |
read/write for the user, and not writable by others. |
.Pp |
.Pp |
.It Pa ~/.ssh/environment |
.It Pa ~/.ssh/environment |
Contains additional definitions for environment variables; see |
Contains additional definitions for environment variables; see |