version 1.130, 2001/08/22 16:21:21 |
version 1.131, 2001/08/22 17:45:16 |
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.It Fl b Ar bind_address |
.It Fl b Ar bind_address |
Specify the interface to transmit from on machines with multiple |
Specify the interface to transmit from on machines with multiple |
interfaces or aliased addresses. |
interfaces or aliased addresses. |
.It Fl c Ar blowfish|3des |
.It Fl c Ar blowfish|3des|des |
Selects the cipher to use for encrypting the session. |
Selects the cipher to use for encrypting the session. |
.Ar 3des |
.Ar 3des |
is used by default. |
is used by default. |
It is believed to be secure. |
It is believed to be secure. |
.Ar 3des |
.Ar 3des |
(triple-des) is an encrypt-decrypt-encrypt triple with three different keys. |
(triple-des) is an encrypt-decrypt-encrypt triple with three different keys. |
It is presumably more secure than the |
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.Ar des |
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cipher which is no longer fully supported in |
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.Nm ssh . |
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.Ar blowfish |
.Ar blowfish |
is a fast block cipher, it appears very secure and is much faster than |
is a fast block cipher, it appears very secure and is much faster than |
.Ar 3des . |
.Ar 3des . |
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.Ar des |
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is only supported in the |
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.Nm |
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client for interoperability with legacy protocol 1 implementations |
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that do not support the |
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.Ar 3des |
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cipher. Its use is strongly discouraged due to cryptographic |
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weaknesses. |
.It Fl c Ar cipher_spec |
.It Fl c Ar cipher_spec |
Additionally, for protocol version 2 a comma-separated list of ciphers can |
Additionally, for protocol version 2 a comma-separated list of ciphers can |
be specified in order of preference. |
be specified in order of preference. |
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Specifies the cipher to use for encrypting the session |
Specifies the cipher to use for encrypting the session |
in protocol version 1. |
in protocol version 1. |
Currently, |
Currently, |
.Dq blowfish |
.Dq blowfish , |
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.Dq 3des , |
and |
and |
.Dq 3des |
.Dq des |
are supported. |
are supported. |
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.Ar des |
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is only supported in the |
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.Nm |
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client for interoperability with legacy protocol 1 implementations |
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that do not support the |
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.Ar 3des |
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cipher. Its use is strongly discouraged due to cryptographic |
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weaknesses. |
The default is |
The default is |
.Dq 3des . |
.Dq 3des . |
.It Cm Ciphers |
.It Cm Ciphers |