On Tue, 29 Aug 2000, you wrote:
> I don't know very well about it. What I've seen is only
> text-authentication servers.
> So, that's arise a question: how you know an ISP authenticates by
> text or by PPP? Checking if the first block sent by the ISP is a PPP
> packet or text data? If it's PPP, just start the PPP layer or, if it's
> text, start the interactive logon?
As far as I know (which isn't very far, so beware), the caller should send a
request in PPP format and the ISP will respond if it supports PPP. The
university dial-in account I have does send text-authentication, but you can
ignore it and throw PPP packets at it instead.
> > If you need to fill in your IP-address yourself, it's a SLIP connection.
> > If you don't, it's PPP.
>
> Yeah. But I don't know ISP that allow you to fill in your IP
> address. :)
That would be a security hazard, wouldn't it? Ofcourse you can make your own
box have any IP address you like, but if the ISP would always accept your
suggestion, you could do some wicked things.
Bye,
Maarten
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