27019
MongoDB Config Server
High RiskTCP — Database
Port Overview
Port Number
27019
Service Name
MongoDB Config Server
Transport Protocol
TCP
Category
Database
Security Risk
High
Port Range
Registered (1024-49151)
What is Port 27019?
Default port for MongoDB config server processes in a sharded cluster, which store cluster metadata and routing information. Essential for MongoDB sharding infrastructure. Should only be accessible within the cluster network.
TCP
Database
Security Considerations
Port 27019 (MongoDB Config Server) is classified as high risk. This port is a common target for automated scanning and brute-force attacks. If you must expose it, restrict access to known IP addresses.
Recommendation: Use firewall rules to whitelist trusted IPs. Enable rate limiting and intrusion detection.