Port
Port 80 — HTTP
Port 80 (TCP) is used by HTTP. HyperText Transfer Protocol — unencrypted web traffic.
Port 80 at a glance
| Property | Value |
|---|---|
| Port number | 80 |
| Transport | TCP |
| Service | HTTP |
| Category | Well-known port |
What it is used for
HyperText Transfer Protocol — unencrypted web traffic.
Security considerations
Clear text. Redirect to HTTPS (443); required for modern security and SEO.
See our full TCP/UDP port reference and learn how firewalls filter ports in the CyberOps course.
Frequently asked questions
What is port 80 used for?
Port 80 (TCP) is used by HTTP. HyperText Transfer Protocol — unencrypted web traffic.
Is port 80 TCP or UDP?
Port 80 uses TCP.
Is it safe to open port 80?
Clear text. Redirect to HTTPS (443); required for modern security and SEO.
Related
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