[erlang-questions] Ports used by Erlang OTP

Jacek Furmankiewicz <>
Thu Jul 30 16:08:13 CEST 2009


So basically I should create a kernel.app file and put it into ebin looking
more or less like this?

{application,kernel,
 [{inet_dist_listen_min,16000},
{inet_dist_listen_max,16050}
]}.

Is there anything else that is required?
Thanks, Jacek

On Wed, Jul 29, 2009 at 9:57 AM, Peter Sabaini <> wrote:

> On Wed, 2009-07-29 at 09:42 -0400, Jacek Furmankiewicz wrote:
> > Is there some documentation as to which ports are used internally by
> Erlang
> > OTP?
>
> For OTP, this is configurable, see
>
> {inet_dist_listen_min, First}
> {inet_dist_listen_max, Last}
>
> in the kernel reference docs
> ( http://erlang.org/doc/man/kernel_app.html )
>
> EPMD listens on port 4369 by default
>
> > I need to document it for our operations team before they move the app
> into
> > production. Our data centers are very hardened and all ports are closed
> by
> > defaults.
> > Only those specifically requested are opened.
> >
> > I guess I would need to know the ports used by EPMD and OTP for all the
> > rpc:_ calls...or any other ports that are required for an OTP app to
> > function.
> >
> > Thanks,
> > Jacek
>


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