[GRLUG] slow web surfing
Adam Tauno Williams
awilliam at whitemice.org
Sat Nov 24 17:42:56 EST 2012
On Sat, 2012-11-24 at 17:07 -0500, Brad Becker wrote:
> On Sat, Nov 24, 2012 at 5:04 PM, Tim wrote:
>
> > Firefox on Linux defaults to IPv6 DNS lookups. It won't do an IPv4
> > lookup until after the IPv6 lookup has timed out. Chances are very
> > good your wireless router is running a caching DNS server (like an
> > older version of dnsmasq) which doesn't support IPv6 lookups. So you
> > can fix this by replacing your wireless router (or at least it's
> > firmware), or telling Firefox to skip the IPv6 lookups. To do that,
> > type about:config into the URL bar, search for network.dns.disableIPv6
> > and set it to 'true'. Firefox on Windows defaults to IPv4 lookups,
> > likely for exactly this reason.
>
> Brad replies:
> Ok you're the second person who mentioned this IPv6 thing. The
> router is an AT&T DSL 2701g model.
> I ended up downloading an IPv6 clickable add-on to Firefox that
> toggles it on and off. It seems to be doing a better. More of a band
> aid but it will do ... for now. Less intrusive that way, less to get
> into trouble too. Thanks.
> Curious, do all browsers in linux default to ipv6 in linux? Otherwise I'll
> look at others.
Probably, yes. Which is virtuous. IPv6 is better. Everything that
users defaults will prefer IPv6.
Note that Windows 7 and on also prefers IPv6. But how it goes about
detecting its operation may be different.
I don't know about Mac OS/X.
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