[Winpcap-users] Unable to capture bidirectional traffic

[Guy Harris]

Enrique Waizel wrote:
> I can only capture packets being received by my PC; I cannot capture packets 
> generated by it.
> I'm using WinPCap ver 3.1 on Windows 2000
> 
> The problem happens with both Ethereal and with applications I made using 
> winpcap libraries.
> 
> Any ideas?

If you're running VPN client software:

	http://www.ethereal.com/faq#q8.6

If you're trying to capture on an 802.11 (wireless) adapter in 
promiscuous mode:

	http://www.ethereal.com/faq#q8.10

See also the other response, which hasn't yet been added to the Ethereal 
FAQ.