[GRLUG] slow web surfing

[Adam Tauno Williams]

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.