Firefox Loses DNS in F10

[Jim]

Andre Costa wrote:
> Hi,
>
> On Mon, Dec 1, 2008 at 13:19, Tom Horsley <tom.horsley at att.net 
> <mailto:tom.horsley at att.net>> wrote:
>
>     On Mon, 01 Dec 2008 09:45:22 -0500
>     Richard Heck <rgheck at comcast.net <mailto:rgheck at 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 <http://comcast.net> in your address, which
>     probably means this is the
>     problem:
>
>     https://bugzilla.redhat.com/show_bug.cgi?id=459756
>
>     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...)
>
> Regards,
>
> Andre
THis is all I did to fix my problem on FC 10 in Firefox.
"network.dns.disableIPv6" set to true on FF's configuration
I'm a happy camper now.