What is the difference between port 80 and port 443?

Port 80 is used for unencrypted HTTP traffic, while port 443 is used for secure, encrypted HTTPS traffic over TLS.

Updated: August 2026 • Verified v1.2

Common Network Port & Protocol Quick Reference

Internet & NetworkNetwork

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Search Index: Port ➔ Protocol (TCP/UDP) ➔ Service ➔ Security Invariant

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Understanding Your Results

Provides an interactive, filterable database of over 24 core network ports (HTTP 80, HTTPS 443, SSH 22, DNS 53, Postgres 5432, Redis 6379, MySQL 3306, MongoDB 27017).

Practical Guidance & Next Steps

Database ports (5432, 3306, 6379, 27017) should NEVER be bound to 0.0.0.0 or exposed to the public internet.

What is this?

A networking reference tool that indexes standard IANA port numbers and default application protocols.

How does it work?

1. Type a port number (e.g. 5432) or service name (e.g. SSH) into the search bar. 2. Filter by category (Web, Database, Remote, Email, DevOps). 3. Click any port card to copy its configuration details.