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发表于 2005-9-2 21:35:21
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apt-get install logcheck
default setup is very usable,if new attack is attempted you'll receive email like this
This email is sent by logcheck. If you wish to no-longer receive it,
you can either deinstall the logcheck package or modify its
configuration file (/etc/logcheck/logcheck.conf).
Security Events
=-=-=-=-=-=-=-=
Aug 13 15:02:08 host sshd[2318]: Illegal user admin from 82.165.249.31
Aug 13 15:02:10 host sshd[2347]: Illegal user admin from 82.165.249.31
Aug 13 15:02:11 host sshd[2384]: Illegal user admin from 82.165.249.31
Aug 13 15:02:12 host sshd[2400]: Illegal user admin from 82.165.249.31
Aug 13 15:02:26 host sshd[2673]: Illegal user admin from 82.165.249.31
Aug 13 15:05:16 host sshd[2970]: Illegal user admin from 82.165.249.31
Aug 13 15:05:17 host sshd[2972]: Illegal user admin from 82.165.249.31
Aug 13 15:05:19 host sshd[2976]: Illegal user admin from 82.165.249.31
Aug 13 15:05:21 host sshd[2978]: Illegal user admin from 82.165.249.31
Aug 13 15:05:22 host sshd[2980]: Illegal user admin from 82.165.249.31
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