Re: Is it possible to sync ip_conntrack between 2 hosts?

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Le sam 03/05/2003 à 00:01, Zack Lawson a écrit :
> I am trying to setup up a failover firewall using heartbeat. Everything
> seems to work just fine except for the fact that the state of existing
> connections is lost when the running firewall is stopped.
> Is there any way to share the info in /proc/net/ip_conntrack between
> these 2 systems?

I am not aware of a free working solution based on Netfilter that would
provide firewall states failover. There have been discussion (see low
traffic netfilter-failover mailing list) about this.

> If not, does anyone else have any ideas or solutions to this problem?
> I know that Cisco firewalls have this capability. I would be surprised
> if netfilter couldn't accomplish this as well.

It can't now, but it is planed. It will use nf-netlink and ct-netlink
you can find in POM.

-- 
Cédric Blancher  <blancher@xxxxxxxxxxxxxxxxxx>
IT systems and networks security - Cartel Sécurité
Phone : +33 (0)1 44 06 97 87 - Fax: +33 (0)1 44 06 97 99
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