Restricting distributed Erlang to one host

Ulf Wiger ulf.wiger@REDACTED
Sat Nov 22 13:21:20 CET 2003

You can use net_kernel:allow(Nodes) to make sure
that only the right nodes connect.

The nodes could make themselves known e.g.
through a http-based login procedure, or you
could easily write a gen_tcp-based registration

Hacking net_kernel.erl is perhaps a more manly
way to go about it, but hardly recommended.
In this case, the function to attack is setup/4,
an it would be a trivial hack.


On Sat, 22 Nov 2003 08:43:19 +0100, Carsten Schultz 
<carsten@REDACTED> wrote:

> On Fri, Nov 21, 2003 at 07:48:20PM -0600, Martin J. Logan wrote:
>> Yeah, have your .erlang.cookie file be unique per host.
> Oh, I'm sorry, I was not clear enough in my original question.  For
> security reasons I do not want to rely on cookies for this but want to
> have connections from different hosts being rejected right away.
> Greetings,
> Carsten

Ulf Wiger

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