Common Ports and Protocols — Roadmap Step & Resources
The ports and protocols (HTTP, DNS, SSH, SMB, RDP) attackers scan for and defenders monitor
- Level: beginner
- Estimated time: 1 days
- Roadmap: Cybersecurity Analyst / Ethical Hacker
Before this step
Study resources
- Common Ports Cheat Sheet (Article) — A widely-used, comprehensive cheat sheet of ports and protocols relevant to security work.
- Ports and Protocols Explained (Video) — A clear explanation of the ports and services attackers scan for most often.
Part of
- Networking for Security — section
- Cybersecurity Analyst / Ethical Hacker roadmap — the full learning path