[CentOS] mirroring centos servers

Fabian Arrotin napsal(a):
> I've already used Heartbeat between two centos machines acting as 
> gateway/iptables firewall and it worked perfectly.
> The only 'problem' is that iptables connection status is of course not 
> shared between the two nodes.
> Never used shorewall though.
> 

Fabian,
there's a way to share - conntrackd.
http://fs12.vsb.cz/hrb33/el5/hrb-fw/stable/i386/repodata/repoview/conntrack-tools-0-0.9.7-1.el5.hrb.html
But I'd prefer BSD CARP like pfSense, see
http://blogfranz.blogspot.com/2008/12/is-conntrackd-really-pfsynccarp-for.html
Regards,
David Hrbáč