messages文件中有大量的这种信息 求说明
/var/log/messages 中类似这样的信息很多，该怎么做呢，这些都是什么意思呢 我用的debian另外我主机上面/var/log里面只有这个messages文件，secure、lastlog、wtmp这些都没有，是什么原因呢
Nov 24 09:17:01 localhost CRON: pam_unix(cron:session): session opened for user root by (uid=0)
Nov 24 09:17:01 localhost CRON: pam_unix(cron:session): session closed for user root
Nov 24 09:28:37 localhost -- MARK --
Nov 24 09:48:37 localhost -- MARK --
Nov 24 10:08:37 localhost -- MARK --
Nov 24 10:17:01 localhost CRON: pam_unix(cron:session): session opened for user root by (uid=0)
Nov 24 10:17:01 localhost CRON: pam_unix(cron:session): session closed for user root
Nov 24 10:28:37 localhost -- MARK --
Nov 24 10:48:37 localhost -- MARK --
Nov 24 11:08:37 localhost -- MARK --
Nov 24 11:17:01 localhost CRON: pam_unix(cron:session): session opened for user root by (uid=0)
Nov 24 11:17:01 localhost CRON: pam_unix(cron:session): session closed for user root
Nov 24 11:28:37 localhost -- MARK --
Nov 24 11:48:37 localhost -- MARK --
Nov 24 12:08:37 localhost -- MARK --
Nov 24 12:17:01 localhost CRON: pam_unix(cron:session): session opened for user root by (uid=0)
Nov 24 12:52:26 localhost dropbear: Child connection from 139.0.1.126:44978
Nov 24 12:52:29 localhost dropbear: bad password attempt for 'root' from 139.0.1.126:44978
Nov 24 12:52:30 localhost dropbear: exit before auth (user 'root', 1 fails): Disconnect received
Nov 24 12:52:30 localhost dropbear: Child connection from 139.0.1.126:45241
Nov 24 12:52:35 localhost dropbear: bad password attempt for 'root' from 139.0.1.126:45241
Nov 24 12:52:35 localhost dropbear: exit before auth (user 'root', 1 fails): Disconnect received
Nov 24 12:52:35 localhost dropbear: Child connection from 139.0.1.126:45543
Nov 24 12:52:40 localhost dropbear: bad password attempt for 'root' from 139.0.1.126:45543
Nov 24 12:52:41 localhost dropbear: exit before auth (user 'root', 1 fails): Disconnect received
[ 本帖最后由 半人疯 于 2013-11-30 10:30 编辑 ] 可能没启用，或被精简掉了
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