# Gängige Ports im Internet
**Port** **TCP** **UDP** **Beschreibung**
22x x SSH - Secure Shell
25 x SMTP - Simple Mail Transfer Protocol
53 x x DNS - Domain Name System
67 x DHCP - Dynamic Host Configuration Protocol - Server
68 x DHCP - Dynamic Host Configuration Protocol - Client
80 x HTTP - Hypertext Transfer Protocol
110 x POP3 - Post Office Protocol v3
123 x x NTP - Network Time Protocol
443 x HTTPS - Hypertext Transfer Protocol over TLS
993 x IMAPS - Internet Message Accesss Protocol over TLS