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Iptables as a Replacement for Commercial Enterprise Firewalls Print E-mail
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Source: - Posted by Ryan Berens   
Firewalls Are you administrating a corporate network? How do you ensure securing your web services? There are many different solutions, but Iptables is one of the newer ones, and is up to the job.

With IT budgets getting tighter, managers need to trim costs. Service contracts are expensive for any technology; firewalls are no exception. Netfilter, the project that provides the packet filtering program Iptables, is a free firewall alternative. While it lacks the service contract of commercial solutions and a pretty interfaces to make firewall modification easy, it has solid performance, performs effectively at firewalling, and allows for add-on functionality to enhance its reporting and response functions.

Read this full article at

Systems AdministratorWritten by Gerard Petersen on 2007-12-17 05:44:16
The answer to the articles' header statement imho is a yes. IPtables does it all. There is indeed a CLI interface that might not seem as intuitive when your used to GUI's. But a lot of scripting is found out there, so people don't have to invent the wheel a second time. If you're in for securing an upscale network. It probably needs planning and where a GUI might pick out some faults. Errors in your script are not to be forgiven. The benefits; You can configure with a granularity like you won't believe, and the filter rule possibilities are endless.  
It amazes me somewhat though that this article puts the famous 'two and two' together only now, since iptables has been a mature component on the market for quite some years already. 
One more thing. From a budget perspective: Don't mis-calculate on man hours: especially during setup and testing. 
(Reminds me of the saying: Penny wise, Pound foolish. 
Kind regards, 

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