root@rcgeo:~# netstat -ant | grep 5432
tcp        0      0 127.0.0.1:5432          0.0.0.0:*               LISTEN
tcp        0      0 127.0.0.1:5432          127.0.0.1:40917         ESTABLISHED
tcp6       0      0 127.0.0.1:40917         127.0.0.1:5432          ESTABLISHED



============================


root@rcgeo:~# ufw status
Status: active

To                         Action      From
--                         ------      ----
22                         ALLOW       Anywhere
80                         ALLOW       Anywhere
5432                       ALLOW       Anywhere
21                         ALLOW       Anywhere
8080                       ALLOW       Anywhere