Russell King <[email protected]> writes:
> In that case the problem is unsolvable. What if I named a process
>
> \n+++ATH0\n
>
> ? Oh dear, your modem just hung up. Or maybe:
>
> \n+++AT&C0\n
>
> and now your modem always sets DCD active, so even with detection of DCD
> in the kernel, I can now talk to it via process names after I've forced
> it to disconnect.
>
> And yes, there's modems out there which accept that and act on the '+++'
> immediately - no pause after '+++' required.
Correct, but the escape character can usually be disabled with ATS2=128
or something like that.
The problem was common some time ago with people putting X-header: +++ATH\n
(or was that +++ATH\r ?) in mail headers.
--
Krzysztof Halasa
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