peer died: EOF 问题

hyunique

/var/log/messages  中报如下信息.请问ttloop: peer died: EOF 是什么意思,对系统有什么影响?
Aug 13 19:18:34 hzpvs01 remote(pam_unix)[19812]: session opened for user pvs by (uid=0)
Aug 13 19:18:34 hzpvs01  -- pvs[19812]: LOGIN ON pts/3 BY pvs FROM 192.168.99.78
Aug 13 19:18:35 hzpvs01 telnetd[19845]: ttloop: peer died: EOF
Aug 13 19:18:36 hzpvs01 telnetd[19534]: ttloop: peer died: EOF
Aug 13 19:18:51 hzpvs01 telnetd[19556]: ttloop: peer died: EOF
Aug 13 19:19:09 hzpvs01 telnetd[19851]: ttloop: peer died: EOF
Aug 13 19:20:10 hzpvs01 telnetd[20406]: ttloop: peer died: EOF
Aug 13 19:23:35 hzpvs01 telnetd[22586]: ttloop: peer died: EOF
Aug 13 19:23:38 hzpvs01 telnetd[22577]: ttloop: peer died: EOF
Aug 13 19:23:50 hzpvs01 telnetd[22579]: ttloop: peer died: EOF
Aug 13 19:25:17 hzpvs01 telnetd[23412]: ttloop: peer died: EOF
Aug 13 19:25:33 hzpvs01 telnetd[23672]: ttloop: peer died: EOF
Aug 13 19:26:05 hzpvs01 telnetd[24180]: ttloop: peer died: EOF
Aug 13 19:28:36 hzpvs01 telnetd[25572]: ttloop: peer died: EOF
Aug 13 19:29:58 hzpvs01 telnetd[26128]: ttloop: peer died: EOF
Aug 13 19:31:27 hzpvs01 telnetd[27191]: ttloop: peer died: EOF

hahasasa

没见过
是不是有人在扫你的telnet端口探测密码？
怎么这么短时间里起了这么多个telnetd

hyunique

有没有人知道啊?

zhangxiangod

http://www.trilug.org/pipermail/ ... 0060724/043288.html
简单说 就是It could be that someone is scanning your computer to see if you are running telnet  on any ports so that they can try to hack you . so at last  the author suggest him using  ssh  instead of telnet