[CentOS] CentOS 6.3 as Firewall/Router
rgm at htt-consult.com
Fri Jan 4 17:14:42 UTC 2013
On 01/04/2013 12:01 PM, Tim Evans wrote:
> I'm replacing an ancient Solaris 'ipf' firewall/router with a brand
> new CentOS 6.3 system. In the olden days, I successfully used the
> attached iptables script (as /etc/rc.local) on Red Hat 5.x systems,
> but this doesn't seem to be quite working on the new system.
I once ran a Centos firewall/router. I used Shorewall for the heavy
lifting on maintaining the tables properly. I recommend you find such a
tool as they tend to get things like below sorted out for you.
> Specifically, while it seems to be routing ok, you cannot connect to
> anything on the inside net (e.g., with ssh or a browser) and cannot
> connect to the system with ssh or anything else from elsewhere on the
> inside net. Yet arp shows this system active.
> Is there obsolete stuff here, and/or anything missing that would cause
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