MongoDB Config Server
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TCP — Database
Port Overview
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.
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.