Need any detail documentation of PFIL_HOOK

[Irfan Ahmed]

Hi,

I need detail documentation about PFIL_HOOK. It would be really nice if anyone can provide me any documentation regarding PFIL_HOOK. I have searched on the internet but I could not find any detail documentation of PFIL_HOOK. I found one  paper " Hooking Filters for Fun and Profit: PFIL_HOOKS". But I found it insufficient to understand PFIL_HOOK.  

I need to use PFIL_HOOK to capture ipsec packets after these packets are received and decrypted by the user.

Regards,

 

Irfan Ahmed

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