[CentOS] [OT] Corporate Firewall

Adam Gibson agibson at ptm.com
Thu Nov 10 23:40:24 UTC 2005


Kai Schaetzl wrote:
> Neil Thompson wrote on Thu, 10 Nov 2005 09:49:25 +0200:
> 
> 
>>If you use Shorewall (http://www.shorewall.net) there is a webmin gui module for 
>>administration.
> 
> 
> The main problem with all these firewall builders or Open Source gateway 
> applications (shorewall, monowall, ipcop etc.) is that you can't switch off NAT and 
> have to use a DMZ for publically accessable machines. At least at the time when I 
> was evaluating them for my own needs. That's probably just fine for most people, 
> but if you need transparent public IP routing (as the OP said) you have to look 
> elsewhere (I did't find such a package and the only reasonably priced commercial 
> devices I found where the ones from Snapgear) or roll your iptables stuff manually.
> 

M0n0wall is a freebsd based system but it does support a public IP 
DMZ/Service interface.  You have to enable advanced NATing.  Remote 
updating of the firmware/software is a big plus too.

> Kai
> 




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