在/etc/syslog裡面添加了下面一行：
auth.info /var/log/secure //記錄認證信息
接下來就需要重新啟動下syslog操作了
#svcadm restart system-log
#cat /var/log/secure
May 25 13:58:33 zhao-file sshd[893]: [ID 800047 auth.info] Accepted password for ckl from 180.168.81.54 port 53705 ssh2
May 25 13:59:45 zhao-file sshd[909]: [ID 800047 auth.info] Accepted publickey for ckl from 180.168.81.54 port 53706 ssh2
May 25 14:01:18 zhao-file sshd[938]: [ID 800047 auth.info] Did not receive identification string from 61.151.248.196
May 25 14:03:28 zhao-file sshd[911]: [ID 800047 auth.info] Received disconnect from 180.168.81.54: 0:
May 25 14:03:32 zhao-file sshd[895]: [ID 800047 auth.info] Received disconnect from 180.168.81.54: 0: