Port 80 — HTTP
Quick reference for TCP/UDP port 80, used by HTTP. Includes what the service does, security guidance and related ports.
Port
80
Protocol
TCP
Service
HTTP
What is port 80?
Plain HTTP web traffic.
What port does HTTP use?
HTTP listens on port 80 by default.
Security guidance
Low risk — designed for public exposure
Port 80 (HTTP) is designed for public exposure. Standard hardening (TLS certs, current firmware, sensible rate limits) is enough — no special isolation needed.
Related ports
Frequently asked
What is port 80 used for?+
Port 80 is the standard TCP/UDP port for HTTP. Plain HTTP web traffic.
What port does HTTP use?+
HTTP listens on port 80 by default.
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