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Windows 7: Connected to Internet - Browser does not work

24 Mar 2011   #1
ktoff

windows 7 ultimate x64
 
 
Connected to Internet - Browser does not work

Hey guys,

so I have this problem: My Desktop is connected to my router vie WiFi and it says I have connection to the Internet. However, i cannot access any website, be it by typing in the name or the IP adress.

At the same time, I can ping all websites. I can find them via tracert, which also nicely resolves the IP adresses of any sites I type in. I also tried two different WiFi dongles (Cisco and D-Link) both have identical problems.

I reset the winsocket and i tried to log in as another user - to no avail.

To make things even stranger, I cannot even access the router (192.168.1.1), but i CAN access the NAS connected to the router (192.168.1.100).

The laptop which is connected to the router via WiFi has no troubles accessing either the router or the outside world so I am fairly certain that the problem lies with my computer and not with the access point.

My computer gets his IP via DHCP (fixed on 105) and is within the same subnetmask as the router and has the routers IP adress as standard gateway (all that via dhcp).

Anybody got ideas?

Thanks,
KToff


My System SpecsSystem Spec
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24 Mar 2011   #2
acurasd

Windows 7 Ultimate x64
 
 

Sounds like it is not resolving the DNS

See if you don't have a firewall setting that is blocking port TCP/UDP 53.
My System SpecsSystem Spec
24 Mar 2011   #3
ktoff

windows 7 ultimate x64
 
 

Thanks for the quick reply, but i do not think the firewall is causing the issue.

When firewalls and virusscanner are deactivated the problem persists... I only have a windows firewall (i think).

Also, tracert does resolve dns... so it appears to be browserspecific (and by browserspecific i mean all browsers i tried, IE, FF and chrome).
My System SpecsSystem Spec
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24 Mar 2011   #4
Clinkz

Windows 7 Professional x64 Backtrack 4 R2
 
 

This is indeed a strange one. Do you experience the same issues if you connect via Ethernet, and i'm assuming you have run Network diagnostics and have not received any errors?
My System SpecsSystem Spec
25 Mar 2011   #5
ktoff

windows 7 ultimate x64
 
 

Hey clinkz,

i have run the windows network diagnostics and I have found no error. I have not tried it via ethernet as I did not want to get the 20 meter cable out of some box in our storage room, but maybe iŽll try that tonight and report back with the results.

In my opinion, the strangest thing of all is that I cannot access the router (Asus RT-N56U), which correctly assigns an IP adress through dhcp, via its local adress. Simultaneously, I can access the Linkstation duo which is attached to the router.

Also, Steam did not seem to have any troubles downloading an update....
My System SpecsSystem Spec
25 Mar 2011   #6
Clinkz

Windows 7 Professional x64 Backtrack 4 R2
 
 

Thats the strange things about all this, I've not been able to log into the my router before but a reset has promptly fixed that.. and it also sounds like DNS isn't working, but then you are able to resolve domains..will be interesting to see what happens when you physically connect.
My System SpecsSystem Spec
25 Mar 2011   #7
ktoff

windows 7 ultimate x64
 
 

And it is not that the routers admin site is unresponsive per se, the laptop manages just fine to log in and modify settings...

So the router is on, it assigns correctly IP adresses to all three clients (Laptop, desktop and NAS) and it can be configured when it is accessed by the laptop but the 192.168.1.1 does not respond when trying to get there from the desktop...
My System SpecsSystem Spec
25 Mar 2011   #8
wilywombat

win7
 
 

Sounds a bit like the router is stopping outgoing on port 80. You could try switching your router off and back on so that all is reset if there is some sort of logic latch?
My System SpecsSystem Spec
25 Mar 2011   #9
ktoff

windows 7 ultimate x64
 
 

Hey wilywombat,

I have not hard-reset the router yet, but I have restarted it multiple times. Also it is only one of the two computers connected via WiFi which has that problem. Could it still be a block on port 80?
My System SpecsSystem Spec
25 Mar 2011   #10
wilywombat

win7
 
 

As its just one of 2 computers it sounds more like the computers firewall rather than the router...try downloading a copy of Comodo firewall and install as this will take over from the windows firewall (you may have to turn off the windows firewall though)and has great ratings as well. If the problem is with the windows firewall this should fix it.
My System SpecsSystem Spec
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 Connected to Internet - Browser does not work




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