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Port 5432: PostgreSQL Database

Port 5432 is the default listening port for PostgreSQL database servers.

Protocol
TCP
Category
Databases
Common Services
PostgreSQL Server

What is Port 5432 and How Does It Work?

Port 5432 is the default listening port for PostgreSQL database servers.

Security Vulnerabilities & Attack Vectors on Port 5432

Enforce SSL connections in pg_hba.conf and limit listening interfaces to internal subnets.

Auditing & Scanning Port 5432 with Nmap

Run the following command to check if Port 5432 is reachable and determine service fingerprints:

nmap -p 5432 -sV

Frequently Asked Questions

How do I check if Port 5432 is open?
Use cyber-tool.org diagnostic tools or run 'nc -zv 5432' in your terminal to verify open socket connections.
Is it safe to leave Port 5432 open to the internet?
Exposing Port 5432 (PostgreSQL Database) publicly introduces potential exposure. Protect it with IP whitelisting, firewalls, and encryption.