Can you tell me about list of firewall products mostly used & which is which company products?
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its not one product there is many product as good .. but users may be  comfortable to one more than another \n\ni love to use Macafee sometime Norton Security\n\nbut now u don't have to use one with the Windows SP2
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HI this is chirag.\n\nif you are willing to purchase Anti-Virus protection software, I recommend you to buy Latest McAfee Antivirus Suite including firewall.. It is the no. 1 Virus spywares, trojan, phising, and other malware and security Protection  suite.\n\nYou may find more info on this from the following web site.\n\nhttp://us.mcafee.com/root/landingpages/affLandPage.asp?affid=101&lpname=linkshare_mis&siteID=qBNKlhsBsB4-DXR%2FOrKSuAT2ua1P8HU0WA\n\nYou may download a trial version to try before purchase from the following web site.\n\nhttp://download.mcafee.com/us/eval/evaluate2.asp\n\nI hope the above info is helpful. If you have additional concerns regarding Microsot products also, please write back to us, I would be glad to assit you further.\n\nChirag\nMicrosoft Support Professional\nIndia.
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Depending upon your needs, the options range from quite simple to substantially more complex. If you just need a simple host-based software firewall, there are a number of good ones. Good free firewalls I've used include Zone Alarm, Sygate, Kerio, Outpost, and Ghostwall. If you're not opposed to getting your hands a little dirty with networking, I prefer wipfw. On my Windows boxes wipfw is the only firewall I use. Very effective, but definitely not for the timid. If you're using Linux, the iptables firewall is definitely the route to go. If your needs are a little more complex and you have an old computer lying around, you can install something like Smoothwall or IPCop and use the old PC as your firewall. I've used both and they work very well. They're both relatively easy to setup, but you'll definitely want to follow one of the step-by-step guides the first time you do it.
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http://dhvrm.blogspot.com/2006/04/getting-around-firewall-via-your-own.html
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Symantec\nThree links \nArchived Whitepaper - especially look at the older paper from 1997 at the bottom.  Good overview\nWhitepapers (current but more in-depth)\none for security risk (adware/spyware)
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"True Vector", is the brains behind "Zone Alarm", that makes the entire firewall function the way a correct firewall should perform.  Protecting you from rogue incoming ports that attempt to scan your system or send you a data packet of trojans.  And you are protected from personal data leaving your own system.  \n\nYou don't want Windows Firewall, as it only gives you one way protection, from incoming ports.  No protection on the data that leaves your system.    \n\nJust remove if you hae not already and reinstall ZoneAlarm.  \n\nI have used ZoneAlarm free for home personal use for nine plus years a the odd time "True Vector", will screw up during the installation.  An I just reinstalled.  Otherwise it is a great free firewall.\n\nMinddoctor, France
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Don't bother. There are plenty of free anti-virus software packages available out there - if for NON-commercial use.\n\nTry visiting www.grisoft.com and download the AVG Free edition. \n\nAlso - Zonealarm has a good free firewall - again for non-commercial use. www.zonealarm.com\n\nadaware and spybot search and destroy aren't bad for additional protection also.
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From my experience, MS firewall is sufficient protection.  It may not be the end all that is all but it works well enough. You do need anti-virus software and anti-spyware software on your system. SO McAfee AV & MS anti-spyware  are good starting points.  I would probably recommend getting yourself a copy of Web roots Spysweeper.  MS Anti-spyware is good but again not the end all that is all.  SpySweeper (along with adware) picks up alot of the slack.\n\nHopefully this helps.
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Don't buy either of those products made for the public - they're absolutely horrible.  Ironically enough though, the Symantec Client Firewall and AntiVirus for network applications (v10)  is wonderful. It has an option in the setup to update automatically (instead of from an network server) is unobtrusive, takes very little space or speed, and has worked seemlessly for me for a year now.
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Zone alarm is a good firewall, they have a basic free version which blocks as much as the professional version but doesn't provide support.\n\nAVG Antivirus is a good free antivirus software.
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Wal-Mart, Best Buy, Circuit City... they all carry either Norton or McAfee.  AVG is an excellent product but if you do not know much about these types of products (anti-virus,firewall,spyware)then you should consider getting an all in one internet security suite.  My wife uses Norton Internet Security because it requires minimal input from the user.  You will haters/bashers of every program so take the comments with a grain of salt.
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AVG does not have its own firewall. (not that I know of)\nIf she is on a budget and has XP - xp has a built in firewall.
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Not sure if you mean for home of SMB or enterprice use.  You have some other answers that cover home and small/medium business use.  For enterprise use in medium/large corporations, the best firewall appliance on the market these days is the Cisco ASA, Adaptive Security Appliance.  Other vendors have competing products, I have heard good things about many of them, but the Cisco ASA is at the top of the heap right now.  Like with most appliances, it's a game of leapfrog, and next year some other vendor like Juniper or Checkpoint will lead the way for a few months.  http://www.cisco.com/en/US/products/ps6120/index.html
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I don't understand your question, but uhh... Zone alarm is a good firewall...
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Great question and thank you for participating. The best, free firewall that I've found is ZoneAlarm from www.zonelabs.com  Download the free version and follow thru during the prompts and then allow it to install itself to the hard drive. Afterwards, restart the computer so that the new changes can take effect. Let me know when this is done and I'll help you with it's operations as it can be a bit confusing when you first attempt to use it. You'd be getting warning popups and need to know why they're there and what to do with them. I'll help you with it step by step. Larry Radio Shack 01-9590
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a good free firewall is zone alarm and a good free anti virus is avg
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Just use the McAfee complete suite. It should offer to turn off the XP firewall for you, if not you can shut it off. Using both slows down traffic. Zone Alarm is FREE because it is SPY WARE.............