Newsgroups : Borland : borland.public.delphi.internet.winsock : 2007 Nov : Re: Weird Indy + Ethereal + firewall?? occurrence.

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Re: Weird Indy + Ethereal + firewall?? occurrence.

Subject:Re: Weird Indy + Ethereal + firewall?? occurrence.
Posted by:"Remy Lebeau (TeamB)" (no.spam@no.spam.com)
Date:Tue, 20 Nov 2007 10:06:43

"IanH" <none@nospam.com> wrote in message
news:4742b3f3@newsgroups.borland.com...

> I'm trying to understand why Ethereal sees the broadcast packets,
> but my application does not. Does Ethereal/WinPCap talk directly
> to the card to obtain a copy of the packets being txd/rxd

Yes.

> while the stack that Indy is using comes after the firewall has
> got involved?

Indy uses whatever stack the OS provides.  The OS handles the actual
txd/rxd, and there are several layers involved to do that.  Plenty of places
for external apps to hook into the OS to look at the packets.


Gambit

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