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Some sites work, some don't

Some sites work, some don't

"I'm having some internet connection problem - some sites (thankfully superuser is included) work perfectly while others (like www.boardgamegeek.com or www.couchsurfing.com) do not work at all. The problem exists in 3 different browsers and does not appear in other computers in my network (Edimax wired router).
Can you help solve the problem?"

Asked by: Guest | Views: 66
Total answers/comments: 2
Guest [Entry]

"Boardgamegeek! haven't seen that in ages!... Anyway..

Not sure why it would be blocked, but the first thing to try is to take a look at your hosts file - c:\windows\system32\drivers\etc\hosts Do you see any entries other than localhost?

Just incase of bad caches, close all internet browsers and go to the command prompt, type the following to clear your DNS cache

ipconfig /flushdns

Next, I would check for firewall / antivirus settings and make sure that nothing is being blocked.

Lastly, if you are still having problems, double check your internet settings to see if you are going via a proxy server that may have been incorrectly set up."
Guest [Entry]

While it seems that you fixed your issue, I had a similar issue previously on a work machine that wasn't fixed this way and forced me to re-install TCP/IP. For Windows, instructions and an automated solution can be found at Microsoft's Site. Maybe this answer will help others too.