Re: bug causes tcp/ip stack corruption

Miquel van Smoorenburg (miquels@cistron.nl)
18 Dec 1998 18:10:40 +0100

In article <cistron.19981218104111.W6107@uni-koblenz.de>,
<ralf@uni-koblenz.de> wrote:
>On Fri, Dec 18, 1998 at 12:56:06PM +1300, Chris Wedgwood wrote:
>
>> OK -- it's not sending a '+++' out the wire (which I've seen before
>> with our customers here).
>
>On all modem I know the ``+++'' string has to be preceeded and followed by
>a second pause; the exact length is configurable.

You don't know a lot of modems then .. the <pause>+++<pause> is copyrighted
by Hayes, so a lot of cheap modems don't implement the pause.

See the BugTraQ archives for "Old school DOS attack". A whole thread
about this came up one or 2 months ago.

Mike.

-- 
Indifference will certainly be the downfall of mankind, but who cares?


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