Is it possible to build a user space firewall using
libpcap library.
libpcap takes a copy of packet and the orginal
packet and the orginal packet continues its journey through
the kernel protocol stack independent of libpcap processing.
where as in case of firewall we require to intercept
the orginal packet process it and then submit it to protocol
stack.
but i have seen snort using libpcap capable of packet
dropping packet . How is it possible.
egarly waiting for the response.
With warm regards,
PAUL
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