| 20,21 |
FTP - File Transfer Protocol |
TCP |
| 22 |
SSH - Secure Shell |
TCP |
| 23 |
Telnet |
TCP |
| 25 |
SMTP - Simple Mail Transfer Protocol |
UDP |
| 53 |
DNS - Domain Name System |
TCP, UDP |
| 67,68 |
DHCP - Dynamic Host Configuration Protocol |
UDP |
| 80 |
HTTP - Hypertext Transfer Protocol |
TCP |
| 110 |
POP3 - Post Office Protocol |
TCP |
| 119 |
NNTP - Network News Transfer Protocol |
TCP |
| 123 |
NTP - Network Time Protocol |
UDP |
| 143 |
IMAP - Internet Message Access Protocol |
TCP |
| 161,162 |
SNMP - Simple Network Management Protocol |
TCP, UDP |
| 179 |
BGP - Border Gateway Protocol |
TCP |
| 194 |
IRC - Internet Relay Chat |
TCP |
| 443 |
HTTPS - HTTP over Transport Layer Security (TLS) |
TCP, UDP |
| 445 |
SMB - Server Message Block |
TCP |
| 3306 |
MySQL |
TCP, UDP |