src/usr.bin/ssh/sshd.8 - diff

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version 1.115, 2001/04/13 22:46:54

version 1.116, 2001/04/15 19:41:21

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from the client,

.Nm

will send a message through the encrypted

channel to request a response from the client. This may only be

channel to request a response from the client.

used on a server supporting only protocol version 2. The default

The default

is 0, indicating that these messages will not be sent to the client.

This option applies to protocol version 2 only.

.It Cm ClientAliveCountMax

Sets the number of client alive messages (see above) which may be

sent without

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.Nm

will disconnect the client, terminating the session. It is important

to note that the use of client alive messages is very different from

Keepalive (below). The client alive messages are sent through the

.Cm Keepalive

(below). The client alive messages are sent through the

encrypted channel and therefore will not be spoofable. The TCP keepalive

option enable by Keepalive is spoofable. You want to use the client

option enabled by

.Cm Keepalive

is spoofable. You want to use the client

alive mechanism when you are basing something important on

clients having an active connection to the server.

The default is value is 3. If you set ClientAliveInterval

.Pp

The default value is 3. If you set

.Cm ClientAliveInterval

(above) to 15, and leave this value at the default, unresponsive ssh clients

will be disconnected after approximately 45 seconds.

.It Cm DenyGroups