root@artinfo:~# netstat -an
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State      
tcp        0      0 0.0.0.0:110             0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:25              0.0.0.0:*               LISTEN     
tcp6       0      0 :::22                   :::*                    LISTEN     
tcp6       0    704 ::ffff:64.71.152.113:22 ::ffff:201.81.30.:60921 ESTABLISHED
tcp6       0      0 ::ffff:64.71.152.113:22 ::ffff:201.81.30.:61819 ESTABLISHED
udp        0      0 0.0.0.0:68              0.0.0.0:*                          
Active UNIX domain sockets (servers and established)
Proto RefCnt Flags       Type       State         I-Node Path
unix  2      [ ]         DGRAM                    903      @/org/kernel/udev/udevd
unix  2      [ ACC ]     STREAM     LISTENING     5540     /var/run/mysql/mysql.sock
unix  4      [ ]         DGRAM                    5103     /dev/log
unix  2      [ ]         DGRAM                    5140     
unix  2      [ ]         DGRAM                    5106