[FUGSPBR] Re: SSH

[Douglas Santos]

Anderson Sartori - Fastlane wrote:

> Prezados,
> 
> Para que servem as opções do sshd_config:
> 
> ClientAliveInterval 120
> ClientAliveCountMax 2

$ man 5 sshd_config

ClientAliveInterval
             Sets a timeout interval in seconds after which if no data 
	     has been received from the client, sshd will send a 
	     message through the encrypted channel to request a 
	     response from the client.  The default is 0, indicating 
	     that these messages will not be sent to the client.  

ClientAliveCountMax
             Sets the number of client alive messages (see above) which 
	     may be sent without sshd receiving any messages back from 
	     the client. If this threshold is reached while client 
	     alive messages are being sent, sshd 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 encrypted 
	     channel and therefore will not be spoofable. The TCP 
	     keepalive option enabled by KeepAlive is spoofable. The 
	     client alive mechanism is valuable when the client
             or server depend on knowing when a connection has become 
	     inactive.
             The default value is 3.

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