[CentOS] Optimizing CentOS for gigabit firewall

sadas sadas mailrc at abv.bg
Mon Dec 21 09:17:43 UTC 2009

 >I've been using Linux (CentOS5) on gigabit firewalls, for thousands of
 >users. No problems.
 >Just make sure ip_conntrack_max is big enough, so you don't run out of
 >There are other things to tune to optimize the performance, but it's
 >certainly doable with linux+iptables.
 >-- Pasi
Would you provide us information about how the firewalls are configured, the hardware, the total bandwidth passing the firewall in each direction and the connections in the busiest hours.

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