Re: [resend] Passive OS fingerprint xtables match.

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Evgeniy Polyakov wrote:
Hi.

On Wed, May 27, 2009 at 06:28:16PM +0200, Patrick McHardy (kaber@xxxxxxxxx) wrote:
You will find something like this in the syslog:
Windows [2000:SP3:Windows XP Pro SP1, 2000 SP3]: 11.22.33.55:4024 -> 11.22.33.44:139 hops=4
Linux [2.5:]: 1.2.3.4:44448 -> 11.22.33.44:22 hops=4
Please convert this to use nf_log_packet().

That's hard - there is no hook number in the match function, so we do
not really know if it is forward, input or prerouting.

This is really needed, spamming the ring buffer is not a good option.

I'd say just add the hook number to xt_match_param. Its a bit
inconsistent anyways that we're handing it to checkentry for
validation, but not to the match function.
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