Well-known ports
Well-known ports
| 20 - 21 | TCP | File Transfer Protocol (FTP) |
| 22 | TCP | Secure Shell (SSH) |
| 25 | TCP | Simple Mail Transfer Protocol (SMTP) |
| 53 | TCP/UDP | Domain Name System (DNS) |
| 80 | TCP/UDP | Hypertext Transfer Protocol (HTTP) |
| 88 | TCP/UDP | Kerberos authentication System |
| 110 | TCP | Post Office Protocol Version 3 (POP3) |
| 161 | UDP | Simple Network Management Protocol (SNMP) |
| 389 | TCP | Lightweight Directory Access Protocol (LDAP) |
| 443 | TCP/UDP | Hypertext Transfer Protocol Secure (HTTPS) |
| 445 | TCP/UDP | Microsoft-DS (Directory Services) [SMB] |
Well-known ports (Games)
| 25565 | TCP/UDP | Minecraft (Java Edition) |
|
27015 |
TCP/UDP UDP |
Counter Strike Global Offensive |