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I have installed Ubuntu 10.04 on my desktop. I have successfully connected my BSNL broadband and can access internet. I have upgraded to Firefox 8. The problem is some webpages are not opening in firefox. Pages like -,, ubuntu forum pages etc and lots others are not opening but loading infinitely.

I have also installed google chrome. But same thing is happening there also. My modem is configured in bridge mode. I have disabled IPv6 in firefox. Please help.

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Try to browse a page that doens't load, using the IP. For instance try Yahoo at

If the page loads, then most likely you have a DNS issue. Then you could try a different DNS provider like OpenDNS or Google DNS.

You could also try DNS Flusher

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