Netfilter as an application.

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Dear All,

 How's it going! I am looking for something that I am
not sure currently exists. Basically I want to make a
version of netfilter that's free from all the
kernel-level and networking stack hooks. I am looking
for a plain simpler version of netfilter which does
not interact with the kernel or the networking stack
in any way. It would be a standard user program which
a person with normal privelges could compile and run.
What would it do? It could do the same things that
netfilter does...i.e. filter packets/NAT etc. However
the input could be driven from a "main" function which
"fakes" packets arriving on the network (this could be
driven from a trace).

Does such a thing exist?

How easy/difficult would it be to hack into the
current netfilter code to remove all the
networking/kernel hooks it has?

Could someone guide me as to how exactly to go about
doing this? i.e. where the hooks are..in the code?

I was also looking for documentation on the code...I
mean is there a documentation that explains the
software architecture?

Sorry for too many questions! :|

Cheers!
KeRNEL_LeaRNER

"Metallica- The mother of all ye metal bands."






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