yes, exact. thanks a lot!
On Tue, Oct 14, 2008 at 6:02 PM, Max Laier <[EMAIL PROTECTED]> wrote:
> On Wednesday 15 October 2008 02:47:46 alan yang wrote:
>> hello,
>>
>> for pf port on freebsd, i would like to trace the packet flow, looking
>> at from ether_input -> etiher_demux -> ip_input -> tcp_input where /
>> how pf handles / process the packet.
>>
>> can people shed some lights where to start. really appreciate.
>
> ps hooks into the pfil(9) hook point in ip[6]_{in,out}put(). Look for calls
> to "pfil_run_hooks" in the code. From there the call proceeds to the hook
> functions defined in pf_ioctl.c pf_check_{in,out}[6].
>
> The processing inside pf is best understood by looking at the following chart:
> http://homepage.mac.com/quension/pf/flow.png
>
> Is this the information you are looking for?
>
> --
> /"\ Best regards, | [EMAIL PROTECTED]
> \ / Max Laier | ICQ #67774661
> X http://pf4freebsd.love2party.net/ | [EMAIL PROTECTED]
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