[root@radius1 raddb]# uname -a
Linux radius1 2.6.18-1.2747.el5xen #1 SMP Thu Nov 9 19:33:10 EST 2006 i686 i686 i386 GNU/Linux
[root@radius1 raddb]# netstat -pant
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name   
tcp        0      0 0.0.0.0:975                 0.0.0.0:*                   LISTEN      1217/rpc.statd      
tcp        0      0 0.0.0.0:111                 0.0.0.0:*                   LISTEN      1194/portmap        
tcp        0      0 127.0.0.1:631               0.0.0.0:*                   LISTEN      1384/cupsd          
tcp        0      0 127.0.0.1:25                0.0.0.0:*                   LISTEN      1409/sendmail: acce 
tcp        0      0 :::22                       :::*                        LISTEN      1392/sshd           
tcp        0    864 ::ffff:192.168.0.42:22      ::ffff:192.168.0.21:39748   ESTABLISHED 1595/0              
[root@radius1 raddb]#