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Document that :inet6 also listens on IPv4 on Linux. #121

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josevalim merged 1 commit into from
Sep 12, 2026
Merged

Document that :inet6 also listens on IPv4 on Linux. #121

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3 changes: 2 additions & 1 deletion lib/plug/cowboy.ex
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Expand Up @@ -4,7 +4,8 @@ defmodule Plug.Cowboy do

## Options

* `:net` - if using `:inet` (IPv4 only, the default) or `:inet6` (IPv6).
* `:net` - if using `:inet` (IPv4 only, the default)
or `:inet6` (IPv6, also listens on IPv4 on Linux by default).

* `:ip` - the IP to bind the server to. Must be one of:

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