Re: TCPMUX (RFC 1078) status

Joe Touch <touch@isi.edu> Thu, 15 August 2013 20:18 UTC

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Date: Thu, 15 Aug 2013 13:18:01 -0700
From: Joe Touch <touch@isi.edu>
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To: Wesley Eddy <wes@mti-systems.com>
Subject: Re: TCPMUX (RFC 1078) status
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On 8/10/2013 12:29 PM, Wesley Eddy wrote:
> On 8/10/2013 1:43 AM, Martin Sustrik wrote:
>> Hi all,
>>
>> Does anyone have any idea how widely is TCPMUX (RFC 1078) protocol used?
>> Is it the case that there are inetd daemons in TCPMUX mode running
>> everywhere, or can it be rather considered a dead protocol?
>>
>> Specifically, if I implement a new TCPMUX daemon how likely I am to
>> clash with an existing TCPMUX daemon listening on port 1?
>>
>
>
> It's in the FreeBSD inetd, among others, but to to my
> knowledge, nobody actually turns it on.  There are
> probably security issues.

There are semantics issues to; see draft-touch-tcp-portnames-00 for 
information (this is being revised for resubmission shortly, FWIW).

Joe