[shaggycat@hn ~]$ cat /etc/sysconfig/network | grep NETWORKING
NETWORKING=yes
NETWORKING_IPV6=no
[shaggycat@hn ~]$ 

[shaggycat@hn ~]$ netstat -nl | grep LISTEN | grep -v unix
tcp        0      0 127.0.0.1:25                0.0.0.0:*                   LISTEN      
tcp        0      0 0.0.0.0:4000                0.0.0.0:*                   LISTEN      
tcp        0      0 10.0.10.3:4001              

.....

0.0.0.0:*                   LISTEN      
tcp        0      0 0.0.0.0:4662                0.0.0.0:*                   LISTEN      
tcp        0      0 :::22                       :::*                        LISTEN      
tcp        0      0 :::80                       :::*                        LISTEN      
tcp        0      0 :::959                      :::*                        LISTEN      
[shaggycat@hn ~]$