Required Ports

Before running Consul, you should ensure the following bind ports are accessible.

*For and the ports specified in the table are recommendations.

Port Information

HTTP API This is used by clients to talk to the HTTP API.

HTTPS API (Optional) Is off by default, but port 8501 is a convention used by various tools as the default.

Serf LAN This is used to handle gossip in the LAN. Required by all agents.

Serf WAN This is used by servers to gossip over the WAN, to other servers. As of Consul 0.8 the WAN join flooding feature requires the Serf WAN port (TCP/UDP) to be listening on both WAN and LAN interfaces. See also: and GH-3058

Note, the default ports can be changed in the .