高手帮我分析一下日志吧!!!

cyf44

Aug 10 15:34:19 localhost vsftpd: warning: can't get client address: Bad file descriptor
Aug 10 15:36:37 localhost sshd[19557]: DNS lookup failed for "62.231.95.51".
Aug 10 15:36:46 localhost sshd[19557]: connection from "62.231.95.51"

Aug 10 22:49:30 localhost il: accepting conections[19869]: protocol version not supported in local: 'Illegal protocol version.'
Aug 10 23:08:58 localhost vsftpd: warning: can't get client address: Bad file descriptor

Aug 11 01:46:30 localhost sshd[21550]: connection from "210.119.134.133"
Aug 11 01:46:30 localhost sshd[21550]: FATAL ERROR: Freeing block that is either not mallocated, or whose magic number before the object was overwritten
Aug 11 01:46:30 localhost sshd[21551]: DNS lookup failed for "210.119.134.133".
Aug 11 01:46:31 localhost sshd[21551]: password authentication failed. Login to account eneptune not allowed or account non-existent.

只知道机器被人攻击,一直向外发垃圾邮寄.上面三段就是一直在重复写.高手帮我分析分析,到底是怎么回事?

汤泡饭

scan of ftp&ssh

cyf44

啥意思啊?我能采取什么措施呢?

q1208c

block ftp, ssh