RE: netfilter optimization.

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> Ehm, you're original question was about
> setting conntrack values :-)
> 
> Originally you couldn't change the hash bucket number after the
> ipt_conntrack module had been loaded, you needed to do that at load
> time (for instance through /etc/sysctl.cnf), but I gather that current
> netfilter versions allow changing the number of hash buckets at
runtime
> through:
> 
> /sys/module/ip_conntrack/parameters/hashsize
> 
> Setting #hash buckets=conntrack max should be fine that's what we do
as
> well.
> 
> Maybe you want to carefully reduce some of the
> /proc/sys/net/ipv4/netfilter/ip_conntrack_*timeout* parameters to
> reduce the number of entries in the connection tracking hash.
> 

This is what I was looking for.  I'll play around with it.  I just 1)
needed to know where to start and 2) wanted to know what people who
handle this type of traffic currently do.

Thanks, 

Gary



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