Common ports
From Logicalwebhost-Wiki
Most of these ports use TCP, unless otherwise noted
| 20 | FTP data |
| 21 | FTP |
| 22 | SSD, SCP |
| 25 | SMTP, sending mail |
| 53 | DNS (this is UDP, not TCP) |
| 69 | tftp (this is UDP, not TCP) |
| 80 | http, web pages |
| 110 | POP3, receiving mail |
| 123 | NTP, network time protocol |
| 143 | IMAP, mail protocol |
| 389 | LDAP, authentication database |
| 443 | https, secure web pages |
| 531 | IRC, chat |
| 545 | Quicktime, movies |
| 1645 | RADIUS, authentication |
| 2049 | NFS, network file system |
| 3128 | SQUID, proxy |
| 3306 | MySQL, database |
| 5010 | Yahoo messenger |
| 5190 | AIM, instant message |
