Re: plus plus plus [was: PPP bug]

Miquel van Smoorenburg (miquels@cistron.nl)
8 Feb 1999 10:42:57 +0100


In article <cistron.199902080223.NAA14357@zipper.zip.com.au>,
CaT <cat@zip.com.au> wrote:
>Joseph W. Breu wrote the following:
>>
>> 7On Mon, 1 Feb 1999, Alan Cox wrote:
>>
>> > The sequence in question is "+++".
>
>Just tried this on a telnet through a pissy 28.8k modem :
>
>echo "+++"; sleep 3
>
>The connection's still fine.

That's because on most modems the sequence of death is actually

+ + + A T

(spaces added to prevent the obvious). Even worse, ofcourse, is

+ + + A T H 0 <CR>

The modems do detect the three pluses but do expect a valid command
or at least the letters AT directly after it

Mike.

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

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