请问.此类messages 信息是怎么回事?

konds

Oct 25 08:55:07 localhost net-snmp[12419]: Connection from 127.0.0.1
Oct 25 08:55:07 localhost last message repeated 17 times
Oct 25 08:58:37 localhost sshd(pam_unix)[22946]: session opened for user root by (uid=0)
Oct 25 08:58:38 localhost sshd(pam_unix)[22946]: session closed for user root
Oct 25 09:00:01 localhost net-snmp[12419]: Connection from 127.0.0.1
Oct 25 09:00:01 localhost last message repeated 17 times
Oct 25 09:03:37 localhost sshd(pam_unix)[23584]: session opened for user root by (uid=0)
Oct 25 09:03:38 localhost sshd(pam_unix)[23584]: session closed for user root
Oct 25 09:05:00 localhost net-snmp[12419]: Connection from 127.0.0.1
Oct 25 09:05:01 localhost last message repeated 17 times
Oct 25 09:08:37 localhost sshd(pam_unix)[24227]: session opened for user root by (uid=0)
Oct 25 09:08:38 localhost sshd(pam_unix)[24227]: session closed for user root
Oct 25 09:10:00 localhost net-snmp[12419]: Connection from 127.0.0.1
Oct 25 09:10:01 localhost last message repeated 17 times
Oct 25 09:13:37 localhost sshd(pam_unix)[24874]: session opened for user root by (uid=0)
Oct 25 09:13:38 localhost sshd(pam_unix)[24874]: session closed for user root

jhuangjiahua

我顶...........


不知道.............