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Choosing a Firewall

By morty ·
I am looking for any input about how to choose the best firewall, What are some important services/features it should offer? We are a small business with about 150 users. we host all of our own servies (web,email,ftp) All input is welcome, thanks in advance for you time.

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by pierrejamme In reply to Choosing a Firewall

Just so happens I watched a very impressive demo this morning at:
http://www.zonelabs.com/store/content/company/corpsales/whitepapers.jsp#
Enterprise Firewall called Integrity from Zonelabs. There is a graphics button to view demo at about 2pm.

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by TheChas In reply to Choosing a Firewall

For a business network, I recommend BOTH a hardware and a software firewall.

Zone Labs Enterprise version is likely a very good candidate for a software firewall.

Take a look at your routers and switches.
As a general rule, I would add a firewall appliance from the same vendor as the majority of your network equipment.

Chas

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by ewgny In reply to Choosing a Firewall

Take a look at Microsoft ISA Server. It's an Application Layer firewall. It also has the capability to "publish" the web email and ftp services that you host. A good secure setup would be to have the ISA server set up behind a conventional stateful packet inspection firewall.
Having an application layer firewall is becoming
increasingly important with modern threats.
Take a look at isaserver.org
I recommend Shinder's book ISA server and beyond for an ISA Server topology strategy

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by Greybeard770 In reply to Choosing a Firewall

Netscreen makes a variety of 1U rack mountable firewall appliances. Most have 4 ports for LAN - WAN - DMZ functionality. Setup is fairly easy.

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by mlayton In reply to Choosing a Firewall

Try the SANS Reading Room: Firewalls for some good reading information. Things like what platforms you're running, what remote access is required, etc. become important with a choice like this. There is all sorts of information that may be useful here
http://www.sans.org/rr/catindex.php?cat_id=21

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by Jeromey In reply to Choosing a Firewall

There are many solutions available. Some that I have used are Cisco PIX, SonicWall, Checkpoint.

You will want a good one to support your NAT function as well as the possibility of VPN.

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by ND_IT In reply to Choosing a Firewall

SonicWall has worked pretty well for us. Nice features, firewall and VPN softwares, optimizes for best performance of web sites and other critical data that needs to be streamed across the internet.

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