Tuesday, May 27, 2008

DNS look-up problem in Firefox 3.0b5...

I had a problem with Firefox 3.0b5 in Fedora 9 where internet browsing was very slow. It seemed to be stalling with a message in the status bar that said "looking up...." and after several seconds it would eventually "look up" the website and go like normal.

The cause of this problem is IPv6 in Firefox being enabled. It seems that if you disable IP6 when installing Fedora this is not a problem, but if you forget like I did then there is a quick fix...
Type about:config in the address bar of Firefox.
Search for "network.dns." and change the value of network.dns.disableipv6 to "true"

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