To use a server effectively, it’s important to know the relevant network ports. These ports allow communication between different services and applications. Below is a list of common ports often used on Linux and Windows servers.
| Program | Protocols & Port(s) |
|---|---|
| Minecraft Server | TCP 25565 |
| Teamspeak | UDP 9987 TCP 30033 |
| Web Server | TCP 80, 443 |
| CS2 Server | TCP 27015-27030, 27036-27037 UDP 4380, 27000-27031, 27036 |
| RDP | TCP 3389 |
| SQL Server | TCP 1433, 1434 |
| FTP | TCP 21, 20 |
| SMTP | TCP 25 |
| IMAP | TCP 143 |
| POP3 | TCP 110 |
| LDAP | TCP 389 |
| DNS | UDP 53 TCP 53 |
| DHCP | UDP 67, 68 |
| NTP | UDP 123 |