Linux学习笔记--WRAPPER

hosts.deny

sshd: ALL except 192.168.0. : spawn(调用shell命令) echo “%a(显示出IP地址) accessed your %A(哪块网卡)” >> /var/log/deny | mail -s “sshd alert” root@zhoushuji.com

ALL : ALL :spawn echo “`date` %d on %A denied source %a”

hosts.allow

sshd : 192.168.0. 192.168.1.2 | spawn ……