Securing SSH

[root@station1 ~]# vim /etc/ssh/sshd_config

 41 LoginGraceTime 2m
 42 PermitRootLogin no
 43 StrictModes yes
 44 MaxAuthTries 3
 45 MaxSessions 3

Find ClientAliveInterval and set to 600 (10 minutes) as follows:

119 ClientAliveInterval 600   ----> client can interact with server for only 10min.
120 ClientAliveCountMax 0

[root@station1 ~]# service sshd restart
Stopping sshd:                                            [  OK  ]
Starting sshd:                                             [  OK  ]