Thanks for all the answers!
I'v started making a script for doing this in bash (ye, not perl!).
The script will first collect all the iptables-save from a couple of
servers, sort out dublicates, sort out ips that is whitelistet (if
any) and then dist the rules with ssh and public key and the ssh
command= option and finally restart iptables around if the rules have
changes (it makes and md5 sum of the fw rules and check if its
changed..)
Again, thanks! :=)
--
Lars
On 4/11/06, Hayes, Ian <Ian.Hayes@wynnlasvegas.com> wrote:
-----Original Message-----
From: Lars Solberg [mailto:sunberg@gmail.com]
Sent: Saturday, April 08, 2006 3:26 PM
To: focus-linux@securityfocus.com; security-basics@securityfocus.com
Subject: Syncing iptables rules between two servers
Hi
Is there anyone that know about how I can "sync" iptables rules on two
different servers? The plan is to have (on one of the servers) a
script that automaticly block ip adresses with iptables depending on
different conditions. When that ip adress is blocked I want it to
automaticly be blocked on another server to.
One idea is to change the script that is adding the block rule to
iptables to make it soo it can send the rule to the other server, but
this is not an option, the iptables rules must be synced after the
iptables rule have been added.
Another idea is to get the iptables to use an sql database of some
sort to load the rules, but I dont know how, and this whould be
somehow ruining the whole thing of having a firewall if you make it
dependent an sql server (i think).. But afterall, if this is possible
this is option.
Any ideas?
Hope someone can help out..
Iptables-save and restore, or you can go super-cool and use dsh
Ian Hayes | Senior Systems Engineer
Wynn Las Vegas
3131 South Las Vegas Blvd, Las Vegas, NV 89109
Ph (702) 770-3252 | Cell (702) 266-6002
Ian.hayes@wynnlasvegas.com
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