Firewalls

Here are some links to site, which provide information about this topics:
http://cgi.us.checkpoint.com/rl/resourcelib.asp
http://www.techguide.com/
http://www.sans.org/newlook/home.htm

I personally found the books "Firewall and Internet Security" William R. Cheswick, Steven M. Bellovin and "Network Intrusion Detection: An Analysts' Handbook" Stephen Northcutt very good resources to.

Have fun

I have here a url that can give you information not only on firewalls but other security related stuffs.

http://secinf.net

Cheers!!

Roger D.

Firewalls are extremely effective. I consider them a necessity to a network.
I've worked with three firewalls. Sidewinder, Gauntlet and Raptor.

I had to say I prefer Gauntlet for robustness of setup, maintenance, etc., BUT Raptor has some really great ways to add protocols, etc., if you network changes a lot. Sidewinder I'm less familiar with, but I didn't care for it.

I use ZoneAlarm for a personal firealarm on my computer and it's great.

For more information, I would send you to www.sans.org. You can search on firewalls and they have some articles on application vs network layer firewalls, etc.

This one might be a starting point for you.
http://www.sans.org/infosecFAQ/start/fw_start.htm

Good luck!!!
Melissa

As far as a book goes I would highly recommend the O'Reilly book Building Internet Firewalls.
For internet sites I would start with
sans.org
securityfocus.com
esecurityonline.com
infosyssec.com
searchsecurity.com

I will answer the first part. There is nothing out there that offers total protection. If you are connecting your AS to another AS or the outside world. A Firewall is required. There are a number of firewall products that have been cracked or hacked.
Find one that has not (check the media, Sidewinder, Netmax, and others have not( to date)). Ask yourself just what is it that you are protecting and what kind of holes will you have to open in this firewall to facilitate communications.

Read all you can. You will need a security professional to finalize your selection. The knowledge you gain from your own research will help ensure you have the right sercurity professional, and the right product.

DH.

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