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Clarification for serf_wan documentation (#4459) 

* updates docs for agent options

trying to add a little more clarity to suggestion that folks should use
port 8302 for both LAN and WAN comms

* website: clarify language for serf wan port behavior
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Jack Pearkes 2018-08-02 10:25:25 -07:00 committed by GitHub
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website/source/docs/agent/options.html.md
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@ -1451,11 +1451,10 @@ port.
* Serf LAN (Default 8301). This is used to handle gossip in the LAN.
Required by all agents. TCP and UDP.
* Serf WAN (Default 8302). This is used by servers to gossip over the
WAN to other servers. TCP and UDP. As of Consul 0.8, it is recommended to
enable connection between servers through port 8302 for both TCP and UDP on
the LAN interface as well for the WAN Join Flooding feature. See also:
[Consul 0.8.0 CHANGELOG](https://github.com/hashicorp/consul/blob/master/CHANGELOG.md#080-april-5-2017) and [GH-3058](https://github.com/hashicorp/consul/issues/3058)
* Serf WAN (Default 8302). This is used by servers to gossip over the WAN, to
other servers. TCP and UDP. 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:
[Consul 0.8.0 CHANGELOG](https://github.com/hashicorp/consul/blob/master/CHANGELOG.md#080-april-5-2017) and [GH-3058](https://github.com/hashicorp/consul/issues/3058)
* HTTP API (Default 8500). This is used by clients to talk to the HTTP
API. TCP only.