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Article #437

Re: Does demon gateway support port7 (TCPecho)?

#437
From: Paul L. Allen
Date: Thu, 23 Oct 1997 00:00
26 lines
1590 bytes
In article <x7zpo1v3ny.fsf@renard.watching.org>
    jrg@blodwen.demon.co.uk (James R Grinter) writes:

> Eddie@edlyn.demon.co.uk (Eddie Shave) writes:
> > Can anyone confirm that port 7 (TCP echo service) is supported
> > by Demon Gateway 158.152.1.222.
> > 
> > I am trying to test some new code but when I send a syn to port7 I
> > just get a RST back.
> 
> Most people are now disabling such services as echo and chargen
> because it's all to easy to fake the source of the echo request.
> Gaps left as an exercise for the reader to fill in.

<fx: paints himself blue and dons a white hat>

La, la, la-la, la, laaa,
laaa, la-la, la laaaaaa...

Ummm, but chargen had some *nasty* bugs even before that little way of
exploiting it came along - basically you could bring down the box that
was running it.  I'm surprised you haven't disabled it long ago (or perhaps
you have).

--Paul
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From: "Paul L. Allen" <pla@sktb.demon.co.uk>
Subject: Re: Does demon gateway support port7 (TCPecho)?
Date: 1997/10/23
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