[root@asterisk1 ~]# netstat -lp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name
tcp        0      0 *:32768                     *:*                         LISTEN      2658/rpc.statd
tcp        0      0 *:6600                      *:*                         LISTEN      2992/ircd
tcp        0      0 *:mysql                     *:*                         LISTEN      2946/mysqld
tcp        0      0 *:5038                      *:*                         LISTEN      3266/asterisk
tcp        0      0 *:sunrpc                    *:*                         LISTEN      2639/portmap
tcp        0      0 *:sieve                     *:*                         LISTEN      3266/asterisk
tcp        0      0 *:http                      *:*                         LISTEN      3029/httpd
tcp        0      0 *:4949                      *:*                         LISTEN      3085/munin-node
tcp        0      0 *:ftp                       *:*                         LISTEN      2855/vsftpd
tcp        0      0 localhost:smtp              *:*                         LISTEN      3010/sendmail: acce
tcp        0      0 *:4445                      *:*                         LISTEN      3406/perl
tcp        0      0 *:ssh                       *:*                         LISTEN      2809/sshd
udp        0      0 *:32768                     *:*                                     2658/rpc.statd
udp        0      0 *:32774                     *:*                                     2992/ircd
udp        0      0 *:3865                      *:*                                     2821/xplhub
udp        0      0 *:2727                      *:*                                     3266/asterisk
udp        0      0 *:4520                      *:*                                     3266/asterisk
udp        0      0 *:5060                      *:*                                     3266/asterisk
udp        0      0 *:tftp                      *:*                                     2834/xinetd
udp        0      0 *:714                       *:*                                     2658/rpc.statd
udp        0      0 *:4569                      *:*                                     3266/asterisk
udp        0      0 *:sunrpc                    *:*                                     2639/portmap
udp        0      0 192.168.0.99:ntp            *:*                                     2846/ntpd
udp        0      0 localhost:ntp               *:*                                     2846/ntpd
udp        0      0 *:ntp                       *:*                                     2846/ntpd
udp        0      0 *:ntp                       *:*                                     2846/ntpd
Active UNIX domain sockets (only servers)
Proto RefCnt Flags       Type       State         I-Node PID/Program name    Path
unix  2      [ ACC ]     STREAM     LISTENING     7680   3131/dbus-daemon-1  /var/run/dbus/system_bus_socket
unix  2      [ ACC ]     STREAM     LISTENING     8090   3266/asterisk       /var/run/asterisk/asterisk.ctl
unix  2      [ ACC ]     STREAM     LISTENING     6285   2769/acpid          /var/run/acpid.socket
unix  2      [ ACC ]     STREAM     LISTENING     6532   2946/mysqld         /var/lib/mysql/mysql.sock