Re: Telnet and FTP to Historic

Stephen Farrell <stephen.farrell@cs.tcd.ie> Thu, 03 December 2020 00:46 UTC

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Subject: Re: Telnet and FTP to Historic
To: Michael Richardson <mcr@sandelman.ca>
Cc: Mark Andrews <marka@isc.org>, "Scott O. Bradner" <sob@sobco.com>, "John C. Klensin" <john-ietf@jck.com>, Carsten Bormann <cabo@tzi.org>, Phillip Hallam-Baker <phill@hallambaker.com>, IETF Discussion Mailing List <ietf@ietf.org>
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From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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Date: Thu, 03 Dec 2020 00:46:03 +0000
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Hiya,

On 03/12/2020 00:32, Scott Bradner wrote:
> any prediction son what % of future IoT implementations would drop 
> telnet if the IETF moves the spec to historic?

That's a fair point. (And why I said it'd be credible but
didn't say I'd help with the I-D:-)

On 03/12/2020 00:41, Michael Richardson wrote:
> Replacing telnet with ssh and still using passwords that never get
> changed is less secure in my opinion.   You mention "sshd_config",
> but frankly, if you knew how to do that, then you wouldn't have the
> problem in the first place.

I don't agree. If we assume the system developer is careless,
then it's easier to recover from such a careless developer
if they misused ssh than if they misused telnet I'd say.

S.