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Is Microsoft's Firewall Secure?

malebolgia   on 15 August 2004 - 02:22 · 78 comments & 3051 views

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With the release of SP2 this week Microsoft has made Windows XP more secure. Especially with the overhaul of its old built-in firewall (Internet Connection Firewall). Microsoft’s Internet Connection Firewall was a joke when it was introduced; all it did was cause users more problems. With SP2 came a new firewall dubbed "Windows Firewall". According to some analysts this firewall from Microsoft isn't much better.

When compared to other firewalls such as ZoneAlarm, SP2's firewall is pretty bad. Commercial firewalls such as ZoneAlarm includes a feature that only allows authorized programs to access the Internet. This isn't the case with Windows Firewall; in fact Windows Firewall only filters incoming traffic. That's right Microsoft’s firewall doesn't block outbound traffic, which means applications can send outbound packets. According to commercial firewall makers "the API used to manage the Windows Firewall could also be used by attackers to modify the software or turn it off." This is according to comments made by other firewall makers.

Granted that SP2's firewall isn't as robust as its rivals (ZoneAlarm, Sygate, etc...) it's still a good step. I think it's also true in some way that these firewall experts are feeling the pressure from Microsoft’s free firewall. After all these companies make their revenue by offering security applications for Windows. I agree that Windows Firewall lacks features that I feel are important in a firewall, but this firewall update is still better than the original. In the end it will give the general public a more secure computer.

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SCE UK's marketing director Alan Duncan, meanwhile, said the new look of the event is important to the development of the PlayStation brand.

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(5 replies) #1 lnatan25 on 15 Aug 2004 - 02:37
I'm shocked!! A product from MS, that isn't good?! Nah, that's probably a very early April 1st joke...........


Siriously, use Zone Alarm, it's much much better, and it's free!
#1.1 Mattimeo on 15 Aug 2004 - 05:03
Please tell me your smarter then this...please. MS's firewall is not to compete with other firewall products, just a basic level of security. If you wish to use Zone Alarm then go ahead...but basic is better then NOTHING.
#1.2 STV on 15 Aug 2004 - 06:12
QUOTE
Please tell me your smarter then this...please. MS's firewall is not to compete with other firewall products, just a basic level of security. If you wish to use Zone Alarm then go ahead...but basic is better then NOTHING.
exactly, i havent had any problems with the firewall. I feel that the ICF in the original XP install is just fine the way it is. i certainly havent been messed with, so I guess it does all that I need it to do.

STV
#1.3 kitchenutensils on 15 Aug 2004 - 11:52
my sp2 firewall asks whenever a new program tries to connect to the internet
it doesnt block the program until i click on block though - also it keeps going off when i reboot.
finally i already had spf and sp2 mucked it up, but i reinstalled it and now it works again - pain in the ass because windows won't detect it though, also when a new program accesses both of them pop up.
#1.4 threedaysdwn on 15 Aug 2004 - 17:15
WF DOES block inbound traffic until you click "unblock." The thing is, most programs/games don't really need to have a port opened for them... The way TCP
(and in some cases, UDP) work is that programs are allowed to receive "answers" to requests, but not requests themselves.

So while WF won't block programs like Web Browsers, most games, etc, it WILL block FTP and web SERVERS, most game servers, backdoor/trojans/viruses, and so on unless you tell it not to.


Why would you run another firewall when you already have WF?

WF does the same thing and uses fewer resources (and has a smarter interface, I might add). All you get with a firewall that filters outbound traffic is one very frustrated user.


#1.5 mram on 15 Aug 2004 - 18:41
QUOTE
WF DOES block inbound traffic until you click "unblock."


Totally true. But to be clear: It blocks "certain features" of the product.

It's easily verified, I'm really surprised you'd make a statement like this without verification. Windows/MSN messenger, WMP, all still function -- the aspects tat are locked down of a product are the unsolicited elements (basically either connectionless streaming or server services), in this case itd be file sending in MSN/Windows messenger, or UDP streams in WMP.
(4 replies) #2 HoochieMamma on 15 Aug 2004 - 02:38
Microsoft is damned if they do and damned if they don't.
#2.1 mohennessey on 15 Aug 2004 - 03:05
yea seriously. if they made it too good they will get law suits up the ass and then if it isnt good enough they will get criticized.
#2.2 kronik on 15 Aug 2004 - 05:13
so so sadly true
#2.3 nic on 15 Aug 2004 - 17:51
Exactly what I was thinking. Couldn't have put it better myself.

If they would have made it comparible to other commercial firewalls they would have been flamed for driving the competition out of buisness.

---
One thing, I've noticed that the new firewall does alert me to programs needing to use the internet. Is this article incorrect, or am I assuming too much? Like when I jumped into mIRC earlier, after installing SP2, the Windows Firewall popped up asking if it was ok for the program to use the internet.
#2.4 rogerroger on 16 Aug 2004 - 04:51
Overall I think MS did a good job by implimenting WF. It is a step in the right direction and works.

What is the correct saying... " You can't satisify 100% of the people 100% of the time." I think that fits this topic!
(6 replies) #3 Ironman273 on 15 Aug 2004 - 02:45
How come the Microsoft firewall asks me if certain programs can have access to the internet?
#3.1 hotrod on 15 Aug 2004 - 05:13
Geeeshh........
#3.2 kronik on 15 Aug 2004 - 05:20
hah hah hah lmao
#3.3 threedaysdwn on 15 Aug 2004 - 05:44
Because that's what it is supposed to do and this editorial is garbage.
#3.4 mram on 15 Aug 2004 - 05:52
It's not asking you if programs can have access, it's asking if that program can receive unsolicited incoming traffic.

For example, UDP streams and server services like FTP servers or web servers. You'd get the prompt the first time when viewing a WMP9 video file or something similar because the speed is gained by UDP. But since UDP is connectionless, the stateful firewall won't arbitrarily allow packets inbound. Hence the prompt by XP.

This editorial IS garbage. A firewall that prevents inbound traffic is the most effective way of preventing intrusion with the minimal amount of user fuss. Most hardware firewalls have this, as the most basic of interception. Look around. Anything that blocks outbound traffic is largely an annoyance to end users.
#3.5 boo_star on 15 Aug 2004 - 09:51
Is this a troll?

It's a really bad effort if it is a troll.

If it isn't I feel sorry for you, try going here.
#3.6 Ironman273 on 15 Aug 2004 - 13:14
Well, I wasn't trying to be a troll, I was asking a question and wasn't trying to be sarcastic. I think mram's answer answered my question, so thanks.

I'm not sure why you would feel sorry for me that I didn't realise it was asking about incoming traffic and not outgoing. Now that I think about it, the programs it asked about have both incoming and outgoing, so I didn't make the connection it was asking about only one side of it. But thanks for being an ass and not helping out anyways.
#4 PseudoRandomDragon on 15 Aug 2004 - 02:50
Yes, 3rd party firewalls are much better, this is already known. But it is good that MS is giving users a basic standard of security. Let the firewall be weak, those who wish to have a stronger firewall will seak it.
(2 replies) #5 SleeStak on 15 Aug 2004 - 03:07
yea the windows firewall is better than nothing and sadly many people today still don't use any type of firewall...now we just have to hope those people will download SP2 so at least there will be some protection
#5.1 DOGglee on 15 Aug 2004 - 03:36
yep that's right
#5.2 filter04 on 15 Aug 2004 - 04:25
exactly.
(1 reply) #6 IGx89 on 15 Aug 2004 - 03:08
"Bad"? Come on, just because it doesn't have all the features as other firewall products doesn't automatically make it "bad" . In fact, I like this new Windows's firewall better than other firewalls that filter outgoing connections; it's incredibly annoying to me to always be clicking "allow this program" and having to occasionally deal with frozen 3d games.

The last time I was bothered by a virus/trojan was when trying to play a DOS game on a 3 1/2 disk from my local library, and even then my 33mhz's hardware virus-detection chip caught it.
#6.1 Grope for Luna on 16 Aug 2004 - 10:09
Make a rule to allow all outbound traffic.
(1 reply) #7 moeburn on 15 Aug 2004 - 03:41
Silly firewalls. I trust my life to netstat, Microsoft's BEST creation.
#7.1 boo_star on 15 Aug 2004 - 10:06
That's a rather naive view. I mean sure, I'm pretty confident in my ability to avoid viruses and being behind a NAT router means there are very few open ports anyway but still...it seems a little silly not to install a firewall for the 10-15mb of RAM that it'll use up.

Better safe than sorry right?

(My main reason for a firewall is because I play UO, and my account is irreplacable. Having a few programs or an OS trashed isn't a problem.)
#8 DrIndianaJones on 15 Aug 2004 - 04:07
Its better than most common users will ever have on their computers. That is what MS is aming SP2 at, the common users.
#9 smoke on 15 Aug 2004 - 04:55
Most third party firewalls that filter outgoing connections including zone alarm have screwed up on me at one time or another ruining my internet connection. MS' is the only one that hasn't.
(2 replies) #10 JaggedFlame on 15 Aug 2004 - 05:09
QUOTE
According to commercial firewall makers "the API used to manage the Windows Firewall could also be used by attackers to modify the software or turn it off."


Yeah, then it just pops up a big red popup balloon telling you your firewall is off. Kinda hard to miss that. -_-
#10.1 daveoc64 on 15 Aug 2004 - 11:21
Good point. It's aimed at users who aren't computer experts that just want an install and leave it alone solution. They put SP2 on their PC and from then on the firewall is active and their PC tells them if something happens to the Windows Firewall.
#10.2 Grope for Luna on 16 Aug 2004 - 10:12
Any firewalls can be turned off by software - ZA, Kerio, etc.
(7 replies) #11 StarSabers on 15 Aug 2004 - 05:11
Personally, I'd rather not have a firewall built into Windows ... in fact, I disable the service (and the "security center", etc).
#11.1 snippet1 on 15 Aug 2004 - 05:15
Fine. You can do that, and you're happy. But the same users that don't know they can turn it off are probably the ones that NEED a firewall. I just hope those users don't find out they can turn it off!
#11.2 StarSabers on 15 Aug 2004 - 05:16
Yes, I agree ... . It doesn't matter how somethings made, someone is going to say something bad about it. lol
#11.3 hotrod on 15 Aug 2004 - 05:17
Same here..... that's why i rely on my linksys router and NAT to protect me. never have to worry about another piece of software hogging resources.
#11.4 mram on 15 Aug 2004 - 05:57
As always, intelligent administration is the appropriate response. As long as you've made enough basic steps to protect yourself, all is good.

It would be bad however to blame the product on not providing protection when it had the opportunity to do so. Since the original poster of this thread stated he simply turned it off, without stating that he had another kind of firewall or other protecting mechanisms (disabling server services, etc), it would seem prudent to state that this kind of action would still be required for any novice users reading this. A 3rd party firewall such as linksys from #11.3 is a perfect example.
#11.5 boo_star on 15 Aug 2004 - 10:09
Same here, I use NAT as a basic firewall and Outpost on each PC.

I just wish I could get the Security Center to stop moaning at my every time I boot up my PC. I thought I found the option to fix it but sadly it doesn't seem to work.
#11.6 StarSabers on 15 Aug 2004 - 14:34
Just disable the "secuiryt Center" service. Start>Run> services.msc ...
#11.7 mram on 15 Aug 2004 - 18:44
Inside the security center, there's an option for "Change the way security center alerts me". Choose that, and then uncheck all the options.
(1 reply) #12 kronik on 15 Aug 2004 - 05:16
A bit of an off topic question, I am using Sygate pro and I noticed that the security center dosent detect it has anyone heard of any updates from Sygate which will be solving this comaptibility problem any time soon?
#12.1 boo_star on 15 Aug 2004 - 10:13
Keep an eye on the support forums. I'm sure it'll be fixed in the next update.
(1 reply) #13 best_friends_2003 on 15 Aug 2004 - 05:27
I dont trust MS firewalls
#13.1 mram on 15 Aug 2004 - 06:02
The beauty is you don't need to.

However, it does what it advertises. It was beaten to death in beta. If you turn it on, you can't see the machine on a network, it doesn't answer on any ports. Its so simple it really is difficult to goof up. Really.

If you simply don't trust the way it works, you should consider that most hardware firewalls act in precisely the same manner, and most software firewalls - while more rich in features - are also more bloaty in memory and cpu footprint, with higher costs for user annoyance.
(2 replies) #14 ArtOf_War on 15 Aug 2004 - 06:03
heck it's better than nothing, the sad truth is taht due to asshole companies suing MS for everything, it's now very hard for them to improve their software, in the end the consumer loses

BTW i use a hardware firewall so i turn off the software ones, the Security Center detected my Panda Platinum firewall but it's turned off
#14.1 markus on 15 Aug 2004 - 06:17
I totally agree. If Microsoft where to provide a firewall with the same functionality as say Zone Alarm a bunch of people will start filing law suits against them. So its due to these people that MS cannot provide a decent firewall. So it is useless dissing MS, their firewall isnt meant to be the ultimate source of protection but only a starting point. and i think it does a great job in doing that.
#14.2 boo_star on 15 Aug 2004 - 10:17
I can understand those companies point of view but I agree, the stuff included with Windows (IE/Media Player/Firewall) is pretty basic stuff. If their products can't compete then they really need to put more effort into designing a superior product.

I suppose the issue is, most people are not willing to cover the extra expense so make do with what they get with the OS. Hardly MS's fault though.
(1 reply) #15 eaglebtc on 15 Aug 2004 - 06:42
The statement about MS's firewall not blocking outbound connections isn't true. I installed Earthlink's TotalAccess software on someone else's computer with SP2 and it asked me if I wanted to block or unblock the software called "TaskPanl.exe" by Earthlink Software.
#15.1 mram on 15 Aug 2004 - 07:06
The reason it prompts for access is not to block outbound access, it's to block unsolicited inbound access. Here's a good example: Windows/MSN Messenger. Delete that "exception" from Windows Firewall, then restart messenger and watch the prompt and what happens. You'll still sign in, even with the prompt on the screen, before allowing the exception.

Why? Read the prompt carefully (and during the beta, this text changed quite a bit): "Windows has blocked certain features of this program..."

Previous in the beta it used to say "Windows has prevented this program from receiving unsolicited communication..." which was more confusing but more direct as to what was going on.

The reason the prompt even comes up is because Windows knows the program can accept UDP streams, or provides a server service of some kind. In the case of messenger, the only feature that is broken by not allowing it (using the example above, you can actually DENY messenger access and it will still work!) will be file transfers.

Another good example is WMP, when attempting to listen/view streams from the internet. Most are connectionless/UDP streams, and will cause a warning in windows firewall. Firewall will prompt a blockage warning, since most fast streams are UDP. It will usually still work since a fallback for UDP streaming (WMP9 level I think) is connection-based HTTP polling, which won't be blocked by the firewall, since you solicited the information.

So Windows Firewall is not by any stretch an outbound firewall, it is merely allowing you the option to be less restrictive on the inbound data.

Hope that clears it up...
(2 replies) #16 pogz on 15 Aug 2004 - 07:32
Last time I checked, the firewalls included with Mac OS and Linux distributions don't block outgoing connections, either...

I have a router with NAT and I've never gotten any sort of virus or been hacked. Yet, according to the article, the protection I'm using isn't "serious" or good enough for full protection.
#16.1 boo_star on 15 Aug 2004 - 10:21
It is rather basic though. Nat is all well and good for incoming connections but what if you get a trojan installed? It wont do much good then.

Personally I use NAT in conjunction with a software firewall on each PC (the routers firewall is a pain to configure, it isn't app aware, so I leave it turned off.)
#16.2 vhane on 15 Aug 2004 - 18:20
Last time I checked, the firewalls included with Mac OS and Linux distributions don't block outgoing connections, either...

They do, if you want them to. iptables (linu and ipfw (OS X) are very versatile.

#17 nX07 on 15 Aug 2004 - 07:44
All these anaylists should just shut there trap. If they can really anyalize anything they wouldnt have brought this up. Why? Well clearly with all these AntiTrust and so fourth lawsuits going up Microsoft's ass almost weekly, low-life companies and people will sue them for it.

Of course, it can't be so crappy that its a neagitive, however even it is +1 or higher, it is still worth to have it installed and operating.
#18 thefonz on 15 Aug 2004 - 08:51
or more accurately, the analysts should get on with their analysing instead of cheap shots at Microsoft.
(1 reply) #19 Philip Hristov on 15 Aug 2004 - 09:00
Let me explain how the things stands. MS Firewall is very good program. But if Microsoft has created program which is good or better than others products. The other companies will say that MS is using its monopoly!!! And sue them! Which in my opinion is stupid but no one asks me.
#19.1 boo_star on 15 Aug 2004 - 10:25
I can understand their point of view though. Most people will start to say "Oh well, no need to buy a firewall because Windows has one built in" and sales will drop. That's despite the firewall in SP2 being rather basic.

There are several browsers, for example, which are much richer in features and probably a whole lot more stable and secure than IE. What's the most popular browser though?
(2 replies) #20 DsnBehind on 15 Aug 2004 - 10:16
QUOTE
But while the firewall is an improvement, it falls short of the standard of protection expected of commercial firewalls, according to some industry observers.

It isn't a commercial firewall. It's for people who have no idea what a firewall is, or for people who need only basic security.
#20.1 daveoc64 on 15 Aug 2004 - 11:24
That is the exact point with Windows Firewall.
#20.2 mram on 15 Aug 2004 - 18:47
Actually I'd disagree. Windows is a stateful, application level firewall. A metric ton of "commercial firewalls" perform the exact same features -- look at all the wireless/DSL home router systems, they provide almost exactly the same thing.

But I'm not going to split hairs here, of course there are firewalls that have more features -- I just think that it's a bit more than "Basic" security.
(1 reply) #21 Foub on 15 Aug 2004 - 10:21
I've tested MS's new firewall at two different places and it passed with flying colors. Zone Alarm is crap. It screws up my system on every other version they put out.
#21.1 kitchenutensils on 15 Aug 2004 - 11:59
i agree - however spf is worth considering over the windows firewall (shame security centre cant detect it as of yet though)
(2 replies) #22 Poof on 15 Aug 2004 - 12:24
Are you even aware... All you -NEED- is a firewall that prevents INCOMING packets. If you open a trojan that wants to contact the internet... Then fine! It -CAN- disable ANYTHING that the current user can. It can click ANY buttons/etc. Which'd allow it to access the internet 'just like that'.

Come on, download the program called 'Windows Sniper' and set it to press "Accept" when a program tries to use the TCP stack. When it does. It should pop up for .01ms then WS will see the window, click it, and the user won't know what happened. That's all that a virus needs.

However, for the same virus to get to that computer. It'd need to have the system UNFIREWALLED. (Which the WF will protect from.)

Come on, you can lock somebody OUT of your house. Make it 'impossible' to get in... but people on the inside still need an easy way out. (EG... An unlock button/keys next to the door)

Meh.
#22.1 PseudoRandomDragon on 15 Aug 2004 - 15:22
Actually, ZoneAlarm has a feature in the overview tab called "protect the ZoneAlarm client" which prevents a script/trojan from simulating keystrokes/mouseclicks and giving itself permissions.
#22.2 Poof on 15 Aug 2004 - 18:58
Pseudo- That only works until the malware evolves to that feature.

But, what the point is... Is... Once you HAVE the malware... The malware is 'god'.

Heck, the malware has more permission than you do!
#23 CM0S on 15 Aug 2004 - 13:26
Microsoft's Windows Firewall is good.
i checked my system with Symantec's Security Check & GRC's Shields UP services, and it passed the test. all ports were stealth, ignoring incoming packets..

so please..
#24 Kracal on 15 Aug 2004 - 13:32
I guess companies like "PCWorld" are trying to find ways to diss Microsoft
#25 Kilroy-was-here on 15 Aug 2004 - 14:21
I'm getting REALLY sick of this.

Microsoft makes good software, they get a lawsuit.

Microsoft makes bad software, people complain because their computers are full with security holes.

STOP COMPLAINING PEOPLE GO DO IT YOURSELF YEAH?
(2 replies) #26 sfamonkey on 15 Aug 2004 - 15:44
I am sick of all the bs. Which is more secure this and that. Everything basically does the same thing. If a hacker wants to get on to your system they are going to. I think the sp2 firewall isn't that bad. Maybe it doesn't include everything norton or the other big shots provide but I think norton uses to many apps to matian the program it just slow the computer. With winodws firewalll it seems to be doing an ok job and not being a resource hog. If you have an antivirus program a firewall, and mozilla firefox you should be good. I used Ie at one point and I got a ton of spyware so I use firefox but the life. Come on linux isn't attacked so much cause not like 90% of world use linux. It common scence. If windows was to become open source there would be like a thousand new virus for windows and attacks.
#26.1 STV on 15 Aug 2004 - 16:05
you are forgetting one thing...IE can be secure, you just have to make it that way.

STV
#26.2 sfamonkey on 15 Aug 2004 - 16:07
very true
#27 sfamonkey on 15 Aug 2004 - 16:09
I just did a bunch of securtiy test and there weren't any major problems other then one test said it was echoing back something but that not a bad as I know. I think windows firewall is just fine. I think some of other company's are made cause they are loosing money. Becuase ms is giving people a firewall and then people won't pay for one cause they already have one.
#28 chacho on 15 Aug 2004 - 16:14
installing kerio now
#29 Abz2k4 on 15 Aug 2004 - 17:46
I prefer the Microsoft Firewall to the others beacase i don't get annoying lil messages popping up asking if i want to accept or reject incoming or outgoing traffic.
(2 replies) #30 shatter_my_spinal_cord on 15 Aug 2004 - 18:02
The firewall and security centre services are meant for beginner and novice computer users. The type of users who'd click a file called "MY PICTURE.JPG.EXE". It's a great feature for noobs, but they were the first services I disabled after installing SP2.
#30.1 mram on 15 Aug 2004 - 18:50
It's not meant for just beginners and novices. I consider myself "expert" but I won't use an "advanced" firewall product such as zonealarm because I don't want to be bothered by every little prompt for external network access. I have my system locked down in such a way where I can't even accidentally install products. Windows Firewall is also, and continues to be, the smallest memory and CPU footprint firewall out there, and passes all the inbound tests -- which makes it just as good of a firewall product for inbound access as any other.
#30.2 sfamonkey on 16 Aug 2004 - 01:38
My point. I want a firewall that just does the basics without being bug every single moment something try's to get on the net. and it takes to little cpu / ram
#31 chilliadus on 16 Aug 2004 - 04:24
LOL I could change the title to "Is Norton/McAfee/ZoneAlarm/SyGate/Kerio Firewall Secure" and reach the same conclusion. Nothing is 100% secure, that's the security rule #1.
#32 Dibbler on 16 Aug 2004 - 09:29
I see no problem with using Microsoft's firewall. I use that and a AV as well as AD-Aware.
The above combination, along with an ounce or two of common sense, provides enough protection for my use.
Each to their own but sometimes I feel there is more than a little paronoia being generated, often by those with an interest or product to sell.
#33 Fieldmarshall on 16 Aug 2004 - 20:19
Can anyone tell me what's the added value of MS firewall in a LAN behind some firewall?


btw, I disabled this FW, each time you run some server app you have to create a rule... I hope the business firewall is good enough to stop intrusions from the public internet...

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