[Clug-tech] ** Solved ** Firefox performance issues when a firewall is enabled

[Gustin Johnson]

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I had disabled all extensions.  In fact I had been testing on a clean
install with my profile moved out of the way.

It did indeed turn out to be a localhost connection issue.  Thanks to
Mark for showing me the coolness of strace.

Mark Carlson wrote:
> I second this.  Also, disable any toolbars, especially the Google
> toolbar if it is installed.
> 
> -Mark C.
> 
> On 12/3/08, Martin Glazer <linux at glazer.ca> wrote:
>> How about running tcpdump/wireshark to see what network traffic occurs when
>> you click on anything?
>>
>>  Anything to do with localhost resolution and is this being hindered by the
>> firewall (just a wild guess)?
>>
>>  Martin
>>
>>
>>  Gustin Johnson wrote:
>>
> Here is a weird one.  When I have a firewall enabled on my laptop,
> firefox becomes painfully slow (this is when I set the default INPUT
> policy to DROP).  When I create a default rule to REJECT all traffic,
> performance picks up but is noticeably laggy (eg. there is a few seconds
> of delay after I right click a link).  When I completely disable the
> firewall Firefox is very fast and responsive.
> 
> The hardware is pretty beefy and should not be a problem as it is a 2.5
> Ghz dual core Intel Core2, 3 Gigs of RAM, speedy (for a laptop) 7200 RPM
> hard drive.
> 
> I have disabled every single extension with *no* effect.
> 
> Memory and CPU utilization appear normal during these periods of
> unresponsiveness as well.
> 
> Other web browsers are not effected (konqueror and midori are two I use
> regularly as firefox alternatives).
> 
> I have also duplicated the problem on two different laptops.
> 
> But wait, theres more.  I installed Firefox for Windows, running it in
> Wine, and there are no perceptible problems.
> 
> Also, this is the 32 bit version of Firefox (downloaded from
> mozilla.com) running on a 32 bit install of K/Ubuntu 8.04.
> 
> Any ideas?
>>>
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