[erlang-questions] Erlang connect by external ip address

Adrian Roe <>
Mon Jan 17 19:19:27 CET 2011

Again a little while since I’ve been here, but I suspect you need to explicitly listen on all IP addresses adding {ip, “”} to your options.  That and make certain that you don’t have a firewall / routing issue blocking traffic to your public IP on your port.


From:  [mailto:] On Behalf Of Robert Raschke
Sent: 17 January 2011 17:57
To: shk
Subject: Re: [erlang-questions] Erlang connect by external ip address

On Mon, Jan 17, 2011 at 5:37 PM, shk <<mailto:>> wrote:

> I write simple server application in erlang.
> Code of this application: https://gist.github.com/783117
> I try to connect to it with telnet. When I connect to localhost or local ip
> addres which get from route it's ok, but when i try to connect to server
> with external ip it's don't work.
> What's wrong? <<mailto:>>
Not 100% sure, but I think inet or inet6 should be part of your
gen_tcp:listen/2 option list.



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