Can i change the default ports used by consul ?

[nss pradeep]

 Hi,

I am aware that we can define different ports for dns and http in the ports section of the config file to override the default ports. What about the other ports such as 8300, 8301, 8302 and 8400 ? can i override these default ports ?

Thanks,

Pradeep NSS

[Michael Fischer]

Yes, you can override all of them per the documentation.  But all members of the cluster and API clients must agree on what those port numbers are, of course.

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[nss pradeep]

Hi Michael,

Are you referring to use of advertise-addrs map in the config file to override ports 8301, 8302, 8400 ? Or is there any other way ?

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[Michael Fischer]

Specifically (formatting omitted):

ports This is a nested object that allows setting the bind ports for the following keys:

dns - The DNS server, -1 to disable. Default 8600.

http - The HTTP API, -1 to disable. Default 8500.

https - The HTTPS API, -1 to disable. Default -1 (disabled).

rpc - The CLI RPC endpoint. Default 8400.

serf_lan - The Serf LAN port. Default 8301.

serf_wan - The Serf WAN port. Default 8302.

server - Server RPC address. Default 8300.

See https://www.consul.io/docs/agent/options.html#ports

Best regards,

--Michael

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[nss pradeep]

One final query, can we override these ports using command line flags ?

Thank you

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[nss pradeep]

I see we have -http-port command line flag to set the port for http api. Is there any command line flag to set serf-wan port ?

Thanks,

Pradeep NSS