Commonly Hacked Ports

Commonly Hacked Ports

Related Book

 

Hacking For Dummies, 5th Edition

 

By Kevin Beaver

Part of Hacking For Dummies Cheat Sheet

Common ports, such as TCP port 80 (HTTP), may be locked down — but other ports may get overlooked and be vulnerable to hackers. In your security tests, be sure to check these commonly hacked TCP and UDP ports:

• TCP port 21 — FTP (File Transfer Protocol)

• TCP port 22 — SSH (Secure Shell)

• TCP port 23 — Telnet

• TCP port 25 — SMTP (Simple Mail Transfer Protocol)

• TCP and UDP port 53 — DNS (Domain Name System)

• TCP port 443 — HTTP (Hypertext Transport Protocol) and HTTPS (HTTP over SSL)

• TCP port 110 — POP3 (Post Office Protocol version 3)

• TCP and UDP port 135 — Windows RPC

• TCP and UDP ports 137–139 — Windows NetBIOS over TCP/IP

• TCP port 1433 and UDP port 1434 — Microsoft SQL Server

 其它詳細端口：

https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers