version 1.283, 2016/02/05 03:07:06 |
version 1.284, 2016/02/17 07:38:19 |
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.Cm Protocol |
.Cm Protocol |
option in |
option in |
.Xr sshd_config 5 . |
.Xr sshd_config 5 . |
Protocol 2 supports DSA, ECDSA, Ed25519 and RSA keys; |
Protocol 1 should not be used |
protocol 1 only supports RSA keys. |
and is only offered to support legacy devices. |
For both protocols, |
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each host has a host-specific key, |
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normally 2048 bits, |
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used to identify the host. |
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.Pp |
.Pp |
Forward security for protocol 1 is provided through |
Each host has a host-specific key, |
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used to identify the host. |
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Partial forward security for protocol 1 is provided through |
an additional server key, |
an additional server key, |
normally 1024 bits, |
normally 1024 bits, |
generated when the server starts. |
generated when the server starts. |