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10 votes
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HTML 5 canvas Imagedata Extraction, what does it actually mean?

Websites can request several configuration settings from your browser in order to help them printing the best page format for you. But by requesting your browser's specific abilities (here canvas is ...
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7 votes
Accepted

Can I install Firefox addons on Tor Browser?

The worst thing that can happen is that the add-on tries to access the internet and doesn't use Tor. --> that will destroy your anonymity and release your real IP address! Hopefully the worst thing ...
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4 votes
Accepted

Using TorButton add-on in Firefox (without Tor Browser Bundle)

This might be a dumb question, but are you actually running tor? I don't think torbutton itself does this, you need something like Torlauncher to run tor as a standalon service by itself and then you ...
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4 votes

HTML 5 canvas Imagedata Extraction, what does it actually mean?

I think the easiest is to quote the wikipedia entry: Canvas consists of a drawable region defined in HTML code with height and width attributes. JavaScript code may access the area through a ...
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  • 1,863
4 votes
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Connect directly with Tor Browser (as in, bypass Tor)?

You have to disable Torbutton. At the top of the connection settings dialog, it indicates this: "Disable Torbutton to change these settings." In about:addons you can disable Torbutton and ...
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  • 3,745
3 votes

HTML 5 canvas Imagedata Extraction, what does it actually mean?

I came across this and think that best describes the situation https://www.propublica.org/article/meet-the-online-tracking-device-that-is-virtually-impossible-to-block This was from https://lists....
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  • 523
3 votes

Firefox doesn't resolve onion addresses

For the transparent proxy functionality of Tor to work you also need to set Tor as your DNS server, normally by setting the DNSPort torrc option to 53 and changing your /etc/resolv.conf. See the ...
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3 votes

Tor upgrade says a copy of firefox is already running macbook NOT WINDOWS

This looks like a duplicate of Tor Browser Bundle Showing Error "Firefox is Already Running" on Mac. I just posted my answer there, which is that there seemed to be permission/ownership ...
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  • 66
3 votes

Using TorButton add-on in Firefox (without Tor Browser Bundle)

Try going to the Firefox options menu and configuring Tor as a proxy. This will mean that you have to start Tor in the background but I did it with Chrome and it worked fine. Menu > Options > ...
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3 votes

Opening Tor on my Mac OX says Firefox is already running

Although it is not a "true Linux way", you could also force kill Firefox processes through the "System Monitor" application, which is a part of Mac OS X system
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  • 145
3 votes

Tor Browser with Flash AND firewall software

There are many more issues with Flash. It can create persistent "cookies" that Tor Browser has no control over, for example. This is why just adding a firewall would not make inclusion of Flash safe.
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  • 2,209
3 votes

Can I install Firefox addons on Tor Browser?

As of https://superuser.com/questions/137931/can-websites-see-my-firefox-addons, there is no default API to detect addons, as there is for plugins. As stated, malicious addons can certainly decloak ...
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  • 387
3 votes

Refreshed Tor and lost log-in,home page and icons

The Tor Browser Bundle is based on Firefox. The option you clicked is a Firefox feature that removes all of your add-ons and customizations, and resets everything to the default settings. Since you ...
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3 votes

Why is TBB telling me "Your version of Firefox is out of date"?

THIS IS HIGHLY INFORMATIVE... -From the Tor Blog: "Update (August 11, 10:04 UTC): Starting from a couple of hours ago Tor Browser users might see a notification box in their browser claiming ...
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3 votes

Why the link for tails done this?

Someone is interfering with TLS, or your browser has an old certificate pin that is no longer valid and your browser requires updating. Tails provides mirrors, if access to the main website is ...
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  • 10.8k
3 votes

How to use multiple profiles with Tor?

This won't work, given that Tor Browser ships with a specific default profile which it uses, and needs to use to operate properly, creating and utilising different profiles will cause issues. Instead,...
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  • 10.8k
3 votes

Noscript DISABLED on tor 8.0.8

This is not really a problem with Tor, but within Firefox. One of the certificates which Firefox uses for signing of add-ons is expired. They write about it in their bugtracking system: https://...
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  • 8,663
2 votes

Set TBB as the default browser in Windows XP?

If you have multiple Web browsers on your computer, you can specify which Web browser you want to open when you access the Internet. To set the default Web browser in Windows XP: From the Start menu, ...
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2 votes

Opening Tor on my Mac OX says Firefox is already running

Verify, via the terminal command ps aux | grep firefox, that no previous Firefox process was abnormally stopped and kept in 'ghost' status. If it's the case, kill the process via kill -9 <id> ...
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2 votes

Opening Tor on my Mac OX says Firefox is already running

It sounds like you've opened the .dmg and are trying to run the program before copying it out. Drag 'TorBrowser' on to your desktop (or a temp folder) and try to execute it again.
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2 votes
Accepted

Connect to Tor-Firefox via Ruby/Watir

First, open the Tor browser (it needs to be running already). Then, in your code, make sure to simply start with: Selenium::WebDriver::Firefox::Binary.path='{location of start_tor_browser*}' browser =...
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2 votes

Tor Browser Bundle Showing Error "Firefox is Already Running" on Mac

I'm new at macverse as well but here is how I worked it; double click on the .dmg file which opens a window which shows the Tor browser globe icon, an arrow, and the applications folder icon. Grab ...
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  • 21
2 votes
Accepted

Tor Browser Bundle Showing Error "Firefox is Already Running" on Mac

This looks like a bogus error message. At least in my case, it was caused by a file ownership problem. To diagnose, I made a copy of TorBrowser.app, and was surprised when the copy ran successfully. ...
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  • 66
2 votes

How to measure Page Load Time?

I've been playing with this. You can snapshot sites using Midori (which saves PNGs) or wkhtmltopdf. In a bash script, echo the current time before starting the snapshot. The file timestamp tells you ...
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  • 2,989
2 votes

Tor won't open on mac, saying Firefox is running - but it isn't

I had exactly the same problem. I found out that it has not actually anything to do with another instance of Firefox (I don't even have it installed) it turns out that it has something to do with the ...
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  • 21
2 votes

Are there any 'safe' addons to manage browser functionallity?

You should not need to use any addons with Tor. If you want addons then Tor is not the browser for you. Personally I would never risk Tor's anonymity by using 3rd party addons. That's what Firefox is ...
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2 votes

"Video or MIME format not supported" problem

You can install flash (if it's a flash video) if you use Tails but that beats the purpose of using Tor but would be useful for your case if it is just to watch a video caused by a location restriction....
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2 votes

Tor can't connect to localhost hidden service

... it says firefox is unable to establish a connection to the server at localhost. ... Your issue is similar to this one: Tor Secret Key isn't working on local host server I believe the ...
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  • 3,745

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