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Re: [tor-talk] TBB visited links color



On 2/10/2015 5:26 PM, Ben Tasker wrote:
Not sure if sites could detect / query the color specified & see that it
isn't the default purple?
Yes, default is purple.  That was a side question - not the main one.

I think problem you mention was an old one in Firefox. For years, Mozilla disabled visited links from changing color due to a bug. I think that was fixed, but doesn't mean that TBB design wants them to change color (for highest anonymity / least fingerprinting).



I'm not sure if it's at all related to why TBB wasn''t changing the colour,
but a while back there was a bit of JS released used essentially tried to
map your browser history out by including a huge number of links and then
checking what colour they were -
http://www.theregister.co.uk/2010/12/03/browser_history_sniffing/


On Tue, Feb 10, 2015 at 8:33 PM, Joe Btfsplk <joebtfsplk@xxxxxxx> wrote:

Visited links in TBB (4.0.3 and up).
Sorry, didn't find anything in https://www.torproject.org/
projects/torbrowser/design/
or FAQs or in any filed bugs, about how TBB handles visited links turning
colors.

Should TBB visited links turn color, or not - by design?
At 1st, no visited links were turning colors in TBB 4.0.3 - Win.

Checked & the pref: browser.visited_color; #551A8B was at default value.
I assumed links didn't turn colors either because of private browsing
mode, or TBB modified to prevent links from turning colors.

To see if it was private browsing, I disabled that in Torbutton &
restarted.
They still didn't change.   I re-enabled private browsing AND all 4 boxes
are checked under Torbutton > Privacy tab (as is the default).

When restarted TBB again, links *did* change color (to default dark
purple).
Re-checked Torbutton Privacy tab - all 4 options still checked.
After still another restart, links no longer turned color (private
browsing still enabled in Torbutton).

Not sure what happened - wanted to make sure TBB is behaving as designed -
if they should / should not turn color?

Side question:  I assume if TBB allows them to turn color, that it may not
be wise to choose a non-default visited link color?

Not sure if sites could detect / query the color specified & see that it
isn't the default purple?
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