8300
HashiCorp Consul RPC
Medium RiskTCP — System & Infrastructure
Port Overview
Port Number
8300
Service Name
HashiCorp Consul RPC
Transport Protocol
TCP
Category
System & Infrastructure
Security Risk
Medium
Port Range
Registered (1024-49151)
What is Port 8300?
Port 8300 is used by HashiCorp Consul for server RPC (Remote Procedure Call) communication. Consul agents use this port to communicate with Consul servers for service discovery, key-value storage queries, and cluster coordination. This port must be accessible between Consul clients and servers in the cluster.
TCP
System & Infrastructure
Commonly Used
Security Considerations
Port 8300 (HashiCorp Consul RPC) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.
Recommendation: Keep the service updated. Monitor logs for unusual activity.