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Newsgroups : Borland : borland.public.delphi.internet.winsock : 2006 Jun : Re: Detect Port is in use/block
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| Subject: | Re: Detect Port is in use/block |
| Posted by: | "Remy Lebeau (TeamB)" (no.spam@no.spam.com) |
| Date: | Mon, 5 Jun 2006 15:39:21 |
"Jamie Dale" <j.dale@turboz.net> wrote in message
news:4484aa57@newsgroups.borland.com...
> Gotta admit, while I don't know how to do what your asking,
> it would be really handy to know how ZoneAlarm works its magic!!!
Firewalls hook the socket stack itself, such as by installing a custom NDIS
driver, in order to know what every socket is doing at the lowest levels.
Gambit
none
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