Article View: demon.ip.developers
Article #437Re: Does demon gateway support port7 (TCPecho)?
From: Paul L. Allen
Date: Thu, 23 Oct 1997 00:00
Date: Thu, 23 Oct 1997 00:00
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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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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10bb05,de2b8953a816dbc2 X-Google-Attributes: gid10bb05,public From: "Paul L. Allen" <pla@sktb.demon.co.uk> Subject: Re: Does demon gateway support port7 (TCPecho)? Date: 1997/10/23 Message-ID: <diE77Ej030n@sktb.demon.co.uk> X-Deja-AN: 284552977 References: <877382132snz@edlyn.demon.co.uk> <x7zpo1v3ny.fsf@renard.watching.org> X-Mail2News-User: pla@sktb.demon.co.uk X-Complaints-To: abuse@demon.net X-Mail2News-Path: post.mail.demon.net!sktb.demon.co.uk X-Trace: mail2news.demon.co.uk 877628666 25570 pla sktb.demon.co.uk Organization: Chaos Reply-To: pla@sktb.demon.co.uk Newsgroups: demon.ip.developers