Newsgroups : Borland : borland.public.delphi.internet.winsock : 2007 Nov : 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
none