26257
CockroachDB
High RiskTCP — Database
Port Overview
Port Number
26257
Service Name
CockroachDB
Transport Protocol
TCP
Category
Database
Security Risk
High
Port Range
Registered (1024-49151)
What is Port 26257?
Default port for CockroachDB, a distributed SQL database designed for cloud-native deployments. Used for both SQL client connections and inter-node cluster communication. Based on the PostgreSQL wire protocol for broad client compatibility.
TCP
Database
Commonly Used
Security Considerations
Port 26257 (CockroachDB) 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.