Monitoring ports

[Phil Mayes]

Three Penguin wrote in message <89u6bs$qrv$1 at bob.news.rcn.net>...
>Is there any way to monitor a port without having to open it.  I wanted to
>write a program to detect port scans and wanted to monitor the ports
without
>having it look like every single port is open, which is what would happen
if
>I opened all the ports with a socket.


At http://grc.com/su-evilportmon.htm, Steve Gibson says:

"monitoring without opening ports is MUCH more difficult and requires
system-level programming expertise"

but I don't know what that expertise involves.
--
Phil Mayes    pmayes AT olivebr DOT com
Olive Branch Software - home of Arranger
http://www.olivebr.com/
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