[CentOS] Optimizing CentOS for gigabit firewall

John R Pierce pierce at hogranch.com
Mon Dec 21 09:20:27 UTC 2009


Pasi Kärkkäinen wrote:
> Some months ago there was discussions about 10 gbit performance with
> Linux. Some guys were pushing over 70 Gbit/sec through a single linux
> box.
>
> Not sure if firewalling was enabled.. most probably not.
>   

what I see consistently with iptables is people writing far too many 
rules and trying to micromanage traffic when the kernel already knows 
what its doing.
try to keep it super simple.     

***BSD's pf rules are just much simpler, it takes far fewer of them to 
do what you need to do.    





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