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Reference for common network ports and services.
File Transfer Protocol
Secure Shell
Insecure Remote Login
Simple Mail Transfer Protocol
Domain Name System
Hypertext Transfer Protocol
Post Office Protocol v3
Internet Message Access Protocol
HTTP over TLS/SSL
MySQL Database
Remote Desktop Protocol
Redis Key-Value Store
Scanning networks without authorization may be perceived as an attack and could violate laws. This guide is for educational and authorized internal security testing only. Always obtain explicit permission.
In TCP/IP networking, a port is a logical endpoint for communication. Different ports allow a single server to provide multiple services simultaneously (Web, Email, Database, etc.).
Reference for common network ports and services.