NKE ipfilter questions
NKE ipfilter questions
- Subject: NKE ipfilter questions
- From: "John D." <email@hidden>
- Date: Wed, 17 Dec 2008 10:22:38 +0100
Hi,
Someone recommended me to ask this list about some NKE issues I'm experiencing.
Any pointers and help will be much appreciated!
- If I have a TCP packet, and use mbuf_copydata to copy the header
structure from the mbuf (at offset given in the function parameters),
how can I retrieve the full packet body? (that is, data minus IP and
TCP/UDP header).
- It seems the output filter works within the kernel task context, as
in not having an associated current_process which gives us the process
originating the outbound traffic. I guess I should use a socket filter
if I wanted to access that information instead, but it's interesting
nonetheless.
- Is there a 'supported' way to dump or list the ipfilter chain
(input, output or both)?
Thanks in advance.
--
John Denkar
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