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Windows 7: Turning OFF Windows 7 firewall kills web browsing

22 Oct 2009   #1

Windows 7 Home Premium
Turning OFF Windows 7 firewall kills web browsing

I'm running Windows 7 Home Premium x64 and using an MSI PC60G for my wireless NIC. I turned OFF the Windows 7 firewall since my router already has a firewall solution built in. However, turning off the Windows firewall eventually gets me "Server cannot be found" errors in Firefox (I also tested IE and got an equivalent error). Some observations:

- I have three other PCs, none of which are running Windows 7, and all three have no connection issues when web browsing. I think this helps rule out the router.

- Turning OFF the firewall does not immediately kill web browsing. Pages will load for about 10 minutes, then after about 10 minutes, they will slow down and eventually stop. However, my chat client (Pidgin) retains its connection just fine. I haven't had the opportunity to test any online gaming. Turning the firewall back ON immediately restores reliable browsing capability.

- I currently have Windows 7 firewall turned ON I have been able to use my browser for about an hour without any issues. I've tried resetting my router, disconnecting/reconnecting to my WLAN, and reinstalling the NIC drivers- with the firewall ON I'll get connectivity for a few minutes, but then it will die again no matter what I do.

Anybody else having the same issue or can duplicate it? I'm almost positive it's a bug with the firewall. Not sure if this is relevant, but I'm also running ESET NOD32 x64.

My System SpecsSystem Spec


 Turning OFF Windows 7 firewall kills web browsing

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