ssh 접속 실패 로그 확인

참고 : http://blog.devez.net/343

 

root@freecatz-pe-kr:~# last -f /var/log/btmp

deploy   ssh:notty    ns3062354.ip-193 Thu May  2 11:15 - 11:15  (00:00)
gpadmin  ssh:notty    205.ip-79-137-86 Thu May  2 11:15 - 11:15  (00:00)
deploy   ssh:notty    ns3062354.ip-193 Thu May  2 11:15 - 11:15  (00:00)
gpadmin  ssh:notty    205.ip-79-137-86 Thu May  2 11:15 - 11:15  (00:00)
ftpuser  ssh:notty    ip85.ip-147-135- Thu May  2 11:15 - 11:15  (00:00)
dev      ssh:notty    185.XXX.68.98    Thu May  2 11:15 - 11:15  (00:00)
wang     ssh:notty    123.XXX.219.211  Thu May  2 11:15 - 11:15  (00:00)
ftpuser  ssh:notty    ip85.ip-147-135- Thu May  2 11:15 - 11:15  (00:00)
csgo     ssh:notty    140.XXX.236.227  Thu May  2 11:15 - 11:15  (00:00)
dev      ssh:notty    185.XXX.68.98    Thu May  2 11:15 - 11:15  (00:00)
hadoop   ssh:notty    ec2-54-214-102-5 Thu May  2 11:15 - 11:15  (00:00)
testftp  ssh:notty    ns3019850.ip-54- Thu May  2 11:15 - 11:15  (00:00)
wang     ssh:notty    123.XXX.219.211  Thu May  2 11:15 - 11:15  (00:00)
csgo     ssh:notty    140.XXX.236.227  Thu May  2 11:15 - 11:15  (00:00)
hadoop   ssh:notty    ec2-54-214-102-5 Thu May  2 11:15 - 11:15  (00:00)
testftp  ssh:notty    ns3019850.ip-54- Thu May  2 11:15 - 11:15  (00:00)
dbuser   ssh:notty    129.XXX.141.3    Thu May  2 11:15 - 11:15  (00:00)
redmine  ssh:notty    46.XXX.230.131   Thu May  2 11:15 - 11:15  (00:00)
redmine  ssh:notty    46.XXX.230.131   Thu May  2 11:15 - 11:15  (00:00)
dbuser   ssh:notty    129.XXX.141.3    Thu May  2 11:15 - 11:15  (00:00)

 

접속 성공한 로그를 확인 하기 위해서는 last 명령만 사용하면 된다.

 

root@freecatz-pe-kr:~# last

freecatz pts/1        5x.12x.9x.8      Tue Sep 29 21:55 - 22:43  (00:48)
freecatz pts/1        21x.2x5.1x0.1x1  Tue Sep 29 07:33 - 07:37  (00:04)
freecatz pts/1        21x.2x5.1x0.1x1  Mon Sep 28 16:41 - 16:47  (00:06)
freecatz pts/1        21x.5x.x9.x0     Fri Sep 25 18:18 - 18:19  (00:00)
freecatz pts/2        21x.5x.x9.x0     Fri Sep 25 17:43 - 17:47  (00:03)
freecatz pts/2        21x.5x.x9.x0     Fri Sep 25 13:29 - 13:48  (00:19)
freecatz pts/2        21x.5x.x9.x0     Fri Sep 25 12:28 - 13:23  (00:55)
freecatz pts/0        21x.5x.x9.x0     Fri Sep 25 12:27 - 12:46  (00:18)
freecatz pts/2        21x.5x.x9.x0     Fri Sep 25 11:48 - 12:27  (00:38)
freecatz pts/1        21x.5x.x9.x0     Fri Sep 25 11:29 - 12:27  (00:58)
freecatz pts/0        21x.5x.x9.x0     Fri Sep 25 11:25 - 12:27  (01:02)
freecatz pts/1        2x3.x2.1x9.1x9   Fri Sep 25 10:22 - 10:22  (00:00)
root     pts/0        21x.5x.x9.x0     Fri Sep 25 10:15 - 11:24  (01:09)
reboot   system boot  4.19.0-5-cloud-a Fri Sep 25 10:15 - 17:11 (25+06:55)
root     pts/0        21x.5x.x9.x0     Fri Sep 25 10:14 - 10:15  (00:01)
reboot   system boot  4.19.0-5-cloud-a Fri Sep 25 10:13 - 10:15  (00:01)
root     pts/0        21x.5x.x9.x0     Fri Sep 25 10:09 - down   (00:04)
reboot   system boot  4.19.0-5-cloud-a Fri Sep 25 10:07 - 10:13  (00:05)