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Re: Firefox Loses DNS in F10


On Mon, Dec 1, 2008 at 13:19, Tom Horsley <tom horsley att net> wrote:
On Mon, 01 Dec 2008 09:45:22 -0500
Richard Heck <rgheck comcast net> wrote:

> I've been seeing a weird problem on F10 in Firefox on a fresh install
> onto my daughter's machine. Frequently, after using Firefox for a bit,
> it seems to lose its ability to do DNS lookups. Every URL reports not
> found. Shutting it down and reopening solves the problem. So it's just
> Firefox, not the whole system. Any ideas?

I see a comcast.net in your address, which probably means this is the


It is random, but because you use firefox more, you see it more there.

I got rid of the problem by running named as a local dns cache and
starting it with the -4 option so it only does IPv4 requests.

That's weird, I've been seing this a lot too. I use dnsmasq as my local DNS cache, but Firefox keeps asking over and over again for the same addresses (I mean it keeps displaying "Locating xxx" when xxx has just been accessed, which means it's on dnsmasq's cache).

I already have "network.dns.disableIPv6" set to true on FF's configuration, and I added "install ipv6 /bin/true" to /etc/modprobe.conf to disable ipv6.

So, could this be indeed a Firefox bug? (doesn't seem so, but...)



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