UNIX BLOG

The following code will show how to see all the programs that are listening:

netstat -tulpn

will show what programs are listening on ports.

Example:

root@myhost:~# netstat -tulpn Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 2393/mysqld
tcp 0 0 127.0.0.1:8080 0.0.0.0:* LISTEN 13154/apache2
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 23635/nginx
tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN 2462/vsftpd
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 2438/sshd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 2888/exim4
tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN 23635/nginx
tcp 0 0 45.55.168.61:10083 0.0.0.0:* LISTEN 22058/vsftpd
tcp6 0 0 :::22 :::* LISTEN 2438/sshd
tcp6 0 0 ::1:25 :::* LISTEN 2888/exim4 root@myhost:~#

Tags: listen, netstat, ports, programs