> I would like to know if it is possible to filter with PCAP on a range of 
> ports by using  "pcap_compile" function.
> 
> I tried several filter expressions but each one was rejected by the 
> function  :
> 
> Examples of expressions I tried  :
> 
> "ip and (port >= 1000 and port <= 2000)"
> "ip and (port 1000 >= port 2000)"

Not directly, as far as I know. But you can do things like

"tcp[2:2] >= 1000 and tcp[2:2] <= 2000"

to filter on TCP destination port within a specified range.

Steinar Haug, Nethelp consulting, [EMAIL PROTECTED]
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