// REFERENCE
Port 5432 (PostgreSQL)
Protocol: TCP
Service: PostgreSQL
High risk
PostgreSQL. Like any database, it must not be exposed to the Internet. Check pg_hba.conf and listen_addresses so only the app can reach it; require TLS and strong passwords.
Related tools
Work with this in:
Related
1433
Port 1433 (MS SQL Server) 1434
Port 1434 (MS SQL Monitor) 1521
Port 1521 (Oracle DB) 2181
Port 2181 (ZooKeeper) 3306
Port 3306 (MySQL / MariaDB) 5601
Port 5601 (Kibana)
Port 1433 (MS SQL Server) 1434
Port 1434 (MS SQL Monitor) 1521
Port 1521 (Oracle DB) 2181
Port 2181 (ZooKeeper) 3306
Port 3306 (MySQL / MariaDB) 5601
Port 5601 (Kibana)
Assignments per the IANA port registry. Educational content.