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Do i really need a Firewall? - Page 2

post #11 of 37
Quote:
Originally Posted by e_dogg View Post
Are you kidding me? I just spent an hour trying to remove it from my wife's new laptop.

IMO Norton is just as bad as any virus

Software firewalls are completely unnecessary and simply marketed to prey on people's fear. In the 15 years I've been using computers, I've never used a 3rd party software firewall. And you know how many viruses or other forms of malware I've gotten? None.
Well since you've never had a software firewall up how would you know? There are 65535 ports on a computer, and nothing comes pre-installed (other the the windows firewall) to tell you when something is going out. Malware doesn't annouce itself to you. The router doesn't care what leaves your lan it only watches what comes in from the wan. You can block certain outgoing bad ports on the router if you know what ports certain malware uses, and obviously they don't usually stick to one port in particular. I've seen tons of pc's come in with limewire etc. and they have tons of viruses, keyloggers etc. who knows what kind of info people have flying around on the net now.
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post #12 of 37
Dman makes lots of good points, but to further his argument you can't only consider NAT as a firewall. NAT will only block legitimate traffic. Fire up a linux box and you can create packets that look like anything you want them to and your NAT won't do much good against that.

A lot has changed in the past few years and malware writers have gotten much more educated on defense techniques. Just because you have been fine without a software firewall doesn't mean you don't need one. My house has never been broken in to, but that doesn't stop me from having an alarm system and a shotgun.
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post #13 of 37
Quote:
Originally Posted by Dman View Post
Well since you've never had a software firewall up how would you know? There are 65535 ports on a computer, and nothing comes pre-installed (other the the windows firewall) to tell you when something is going out. Malware doesn't annouce itself to you. The router doesn't care what leaves your lan it only watches what comes in from the wan. You can block certain outgoing bad ports on the router if you know what ports certain malware uses, and obviously they don't usually stick to one port in particular. I've seen tons of pc's come in with limewire etc. and they have tons of viruses, keyloggers etc. who knows what kind of info people have flying around on the net now.
I know because my PC always functions fine and there are never any strange processes running and I don't see any network utilization unless I'm actually downloading/uploading something.

Plus I never download anything using P2P applications such as Limewire or Kazaa nor do I download using torrents. I never click on pop ups telling me that I can increase the size of my manhood and I never try to shoot the duck. And I never open emails nor their attachments if they look the least bit suspicious.

A little bit of net savviness goes a long way.
     
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post #14 of 37
Quote:
Originally Posted by e_dogg View Post
I know because my PC always functions fine and there are never any strange processes running and I don't see any network utilization unless I'm actually downloading/uploading something.

Plus I never download anything using P2P applications such as Limewire or Kazaa nor do I download using torrents. I never click on pop ups telling me that I can increase the size of my manhood and I never try to shoot the duck. And I never open emails nor their attachments if they look the least bit suspicious.

A little bit of net savviness goes a long way.
Although I commend you for your savviness, for ever one of you there are 10 000 people that do use limewire, torrents, kazaa etc. so saying you don't need a firewall in your case, yes thats correct, however the majority of pc users should have something to block outgoing traffic. Better to be safe then sorry.
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post #15 of 37
Heyah, karan T.

Fwiw, I have been very pleased with eset NOD32.
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post #16 of 37
Thread Starter 
Quote:
Originally Posted by Syrillian View Post
Heyah, karan T.

Fwiw, I have been very pleased with eset NOD32.
ya but wat i am bummered about the conflicting arguments to wat is a good software firewall.

some sites say bitdefender some say something else and indivudal people say completely diffrent.

we find it so easy to rate office software, os, games, hardwares but when it comes to secuirty software all the names in the industary are nominated
lol


looking at the debate going above, i think it would be a good idea to have a software firewall and it just reassured me that i have one as an alarm just incase
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post #17 of 37
It seriously depends on if you go to porn sites or not. If you dont, then you should be fine. Common sense keeps you out of trouble. If you do, keep that AV software, you might need it.
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post #18 of 37
Vista has a built-in firewall which is halfway decent. I don't think you need anything beyond that.
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post #19 of 37
Quote:
Originally Posted by Dman View Post
Well I think my answer was clear, but I'll try to explain it a little better, if you have a router, it will prevent any unauthorized traffic from entering your network from the outside using network address translation (NAT). However they allow unlimited out going traffic as long as it is initiated from inside your LAN. So the router has no way to tell what is coming out from your pc, it only blocks things that come from the outside (WAN). So if you are not worried about spyware and trojans on your machine sending stuff out to the net, then you don't need a software firewall. Basically all a software firewall does is prevent stuff from leaving your pc, like keygens sending out cc info etc. They usually leave standard ports open like 80 for web browsing, 21 for ftp etc. If you have games or apps that need different ports you can manually specify which ports need to be opened so the firewall won't block them. However if you don't do any file sharing or browse bad sites you can probably get away without having one.
I concur with this...

Pretty much you must ask yourself... How comfortable am I with software that wants to communicate out to the internet? If you don't perform many "risky" internet acts (downloading various stuff, visiting various sites that can offload tracking files onto your machine, etc...) then you probably don't need a software firewall.

However, if you want total coverage, it might not hurt to have one (especially if you know how to configure it properly so that it doesn't interfere with the things you actual want your PC to communicate with the outside world.).
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post #20 of 37
Quote:
Originally Posted by karan.t View Post
ya but wat i am bummered about the conflicting arguments to wat is a good software firewall.

some sites say bitdefender some say something else and indivudal people say completely diffrent.

we find it so easy to rate office software, os, games, hardwares but when it comes to secuirty software all the names in the industary are nominated
lol
You must have missed my post on the first page. Here are updated results of Matou Security's Firewall challenge. These guys know what constitutes a good firewall and are widely respected in the security field.

http://www.matousec.com/projects/fir...ge/results.php
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