[CentOS] Optimizing CentOS for gigabit firewall

RedShift redshift at pandora.be
Sun Dec 20 17:07:32 UTC 2009

On 12/20/09 16:22, Chan Chung Hang Christopher wrote:
> Les Mikesell wrote:
>> Timo Schoeler wrote:
>>>> What about NetBSD? I heard that NetBSD has the best network stack out
>>>> there. Maybe NetBSD with pf is the best choice?
>>> NetBSD is a very nice OS, I personally like it most (out of all BSDs out
>>> there); however, as can be read on
>>> http://www.netbsd.org/docs/network/pf.html
>>> there's the 'usual lag': OpenBSD implements feature X in 4.6, wait some
>>> time to see it implemented elsewhere.
>>> One of the biggest strengths of OpenBSD is that it's really a completely
>>> rounded piece of work. Keep it that way. pf will perform best on
>>> OpenBSD, with all the nice features it has.
>> Has anyone used Firewall Builder to create a complex set of iptables
>> rules?  Or compared performance where it built the same thing for
>> linux/iptables  and bsd/pf?
> Are you joking? That piece of crap just puts everything into one single
> chain. I never EVER use Firewall Builder after I saw the results the
> first time.
> For a BRIDGING firewall, there is absolutely NO WAY that Linux/netfilter
> can keep up with OpenBSD/pf. I doubt that Linux/netfilter can even reach
> half the performance of OpenBSD/pf.

Have you got some figures to back that up? Everybody's saying OpenBSD's pf performance is superior, yet nobody has posted some proof.


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