[Winpcap-users] Packet blocking

[Viral]

I am developing an application for myself using pcap.
I can successfully capture packets and inject packets.
I wanted to know if there is any way i can block a certain packet, may be by
spoofing.
I have created a block page in html and i want this page to be send for any
html request i wish to block, before the response comes from the server
which receives the request.

i am able to send the block page, but the problem is that the response from
the server reaches the browser before my block page.

any help is appreciated

Thanks
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