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Questions tagged [firefox]

Mozilla Firefox is a free and open-source web browser developed by the Mozilla Foundation. It uses the Gecko layout engine originally developed by Netscape.

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1 vote
1 answer
10k views

why can't I install Tor browser?

I can download the browser, but nothing happens when I click on it. Well, actually I see the Aero graphic (little blue circle) for a brief instant, then nothing. I can't get anything out of the ...
1 vote
1 answer
59 views

How do I torify Firefox at about:config?

The following setting used to work for many years: network.proxy.socks 127.0.0.1 network.proxy.socks_port 9050 network.proxy.socks_remote_dns true Not anymore. Firefox does not access ...
0 votes
1 answer
33 views

domain name substitution in Tor Browser

I'm looking for Tor Browser extension that would allow me to define aliaces mapping tor domain names to human readable names. When encountaring domain names that are present in the mapping, the ...
0 votes
0 answers
70 views

Couldn't load XPCOM. Tor browser

When I try to open the Tor browser, I get a Firefox message box, saying: Couldn't load XPCOM . And no, I don't have any Webroot product. Could someone please help me? I had already asked this question,...
0 votes
0 answers
151 views

Couldn't load XPCOM

When I try to open the Tor browser, I get a Firefox message box, saying: Couldn't load XPCOM . And no, I don't have any Webroot product. Could someone please help me?
0 votes
0 answers
193 views

Bug: Tor Browser 11.0.9 - 12.0.6 tries to connect to Mozilla services on Startup

On a fresh, new installation of Tor Browser v11.0.9, I noticed that even though Show alerts about passwords for breached websites in Tor Browser Preferences > Privacy & Security is disabled by ...
1 vote
2 answers
404 views

Firefox Sync Enabled

Is it possible to use Firefox Sync to sync bookmarks in Tor? I have set indentity.fxaccounts.enabled to true, but it still seems to not work. Is there any way to do this, or is it consideredf a ...
0 votes
1 answer
137 views

How can I request a new circuit for a site using control commands?

I've recently been trying to set up some basic tor functionality with firefox by routing certain sites through the tor network to allow for more anonymity and the ability to access tor hidden services....
1 vote
2 answers
568 views

How to stop Tor browsers from forging the user agent string?

The Tor browser is useful when you want to read regionally restricted websites, for example. Unfortunately, the Tor Browser also changes the browser agent string, so that some websites that check it ...
0 votes
1 answer
546 views

How to show the Tor Browser, again the menu items that are hidden compared to the esr version?

The Tor Browser is based on a Firefox-esr browser. Source: https://www.linux-magazin.de/news/kritische-luecken-in-firefox-esr-thunderbird-und-tor-browser/ With the Tor Browser, some menu items that ...
2 votes
2 answers
154 views

Tor Browser doesn't work on Win10 after update

So I'm trying to open Tor Browser but it's just doesn't open and shows me this empty message box: I've done some research and found some solution with windows firewall but it didn't help at all:
-1 votes
2 answers
267 views

Tor button api for extension

I'm trying to write a firefox extension that can automatically trigger the "New Tor circuit for this site" action. I'm not familiar with writing extensions, so I' don't know where I can find the API ...
0 votes
1 answer
648 views

Android Firefox Nightly shows "HTTP CONNECT tunnel" after recent update

Firefox Nightly recently updated to the new UI they beta'd under the Firefox Preview moniker. The proxy settings I had in about:config got wiped out but reinstating the exact same settings is getting ...
5 votes
2 answers
4k views

Can't set master password in the tor browser

I'm using the tor browser version 10.5.2 in whonix 15, everything works, except that I cannot save logins in the tor browser because every time I try to setup a master password, a popup window appears,...
1 vote
3 answers
7k views

Page doesn't fill window in Tor Browser

When I resize the Tor Browser window the webpage doesn't fill the entire screen. I think that this is a problem with Firefox. How do I fix this?
4 votes
1 answer
1k views

Firefox is configured to use a proxy server that is refusing connections

I am new to the TOR browser, I have downloaded and installed it on my mac. When I open it up and go to search something, it comes up with "Firefox is configured to use a proxy server that is refusing ...
0 votes
1 answer
2k views

405 Method: connection_mark_unattached_ap_()

Nov 12 18:46:07 [removed] Tor[15935]: Saying "HTTP/1.0 405 Method Not Allowed\r\n\r\n" Nov 12 18:46:07 [removed] Tor[15935]: connection_mark_unattached_ap_(): Bug: stream (marked at ../src/or/...
1 vote
2 answers
3k views

How to Disable Tor and Use the Tor Browser as a Privacy Hardened Firefox

I know this question has been asked multiple times here, but they are all very outdated (5+ years old), and none of the answers work with the latest versions. I am specifically asking for solutions to ...
1 vote
0 answers
359 views

What is the difference between "New window" and "New private window" in Tor Browser?

In Tor Browser's application menu, there is "New window" and "New private window". What is the difference between these two? They appear to have the same effect. (Tor Browser ...
0 votes
1 answer
246 views

What is the difference between the Tor browser initiated by Firefox v68.9.0esr and Brave Version 1.10.97 Chromium: 83.0?

I'm using Tor browser initiated through Firefox v68.9.0esr and Brave Version 1.10.97 Chromium: 83.0 interchangeably for quite some time now. While automating I'm able to able to start a Mozilla based ...
0 votes
2 answers
139 views

Latest TOR Browser Bundle update fails to open privacy/security settings tab, strange behavior

I've installed the latest TOR Browser Bundle 9.5.4 ESR for Debian Linux and it doesn't allow access to the privacy/security settings tab any more. If you open Menu > Preferences, the following tabs/...
0 votes
1 answer
4k views

The proxy server is refusing connections on my windows P.C

My Computer is a PC, not a MAC. But I cannot connect to the Onion sites. Whenever I try, i get the following message: The proxy server is refusing connections Firefox is configured to use a proxy ...
0 votes
2 answers
199 views

How to active enterprise policies in Tor Browser 9.0?

How do I create active enterprise policies for Tor Browser 9.0 on Windows? Please help, thank you!
0 votes
1 answer
124 views

Set defaut download action grayed out

I am unable to check the box to use current action for all files of that type. It defaults to using a program and I want a download. I must choose it every time since the check box is grayed out.
1 vote
1 answer
259 views

Some sites won't open in Firefox Ubuntu

Some sites won't open in Firefox. I'm using Tor with Firefox which I tunnel through system network in Ubuntu. After trying to install XAMPP and WordPress locally, it is not working like it always was. ...
0 votes
1 answer
243 views

I am really puzzled why I have less CAPTCHA with Tor browser than with normal Firefox via VPN

Many years ago I used some days or weeks Tor Browser, but gave up because too slow and especially because of the many CAPTCHAs. Now I have since a few days the Tor Browser set as default and get less ...
0 votes
0 answers
521 views

Internet works only with Tor Browser nothing else (Mozilla, other apps) using Windows

I installed Tor Browser a week ago. I use it first and when I can't go on specific websites, I use Firefox. I also have other apps and software using internet on my computer. Since 2 days, now, for no ...
3 votes
2 answers
497 views

Tor vs Brave - which is technically more effective to hinder user tracking - fingerprint generalization or randomization?

TOR's method to countering fingerprinting is to make as many users "appear the same" as possible, let us call this to "generalize". While Brave tries to randomize all fingerprints of each and every ...
0 votes
1 answer
56 views

Why are there unnecssary internal Tor browser pages?

Tor browser has some internal pages inherited from Mozilla Firefox. These include: about:privatebrowsing, about:webrtc, about:mozilla, etc. Since the Tor browser already uses private browsing, does ...
1 vote
1 answer
10k views

Why does Tor Browser use Firefox?

Why does Tor Browser use Firefox?
13 votes
3 answers
22k views

Can I install Firefox addons on Tor Browser?

I want to begin to use Tor Browser (on Windows) but before I need to know some issues. I have read Tor's six pillars and one of that is "Don't enable or install browser plugins". So my doubt is: does ...
3 votes
0 answers
41 views

Using regular Firefox new tab page

I use the Tor browser for Windows and I want to use the Firefox new tab page as the Tor browser homepage (a blank page where you see your frequently visited sites, favorites, etc) Is that possible?
0 votes
0 answers
133 views

Why doesn't tor connect to Socks4/5 proxies?

I can only connect to HTTPS proxies using FF's proxy feature. When i put in a socks4/5 proxy in FF, it doesn't connect to the proxy. Can anybody confirm this behaviour ? My setup: proxychains v4.14 ...
1 vote
2 answers
3k views

How to disable Windows Tor Browser 9.0 update check?

How to disable Windows Tor Browser 9.0 update check? I have traversed Stack Exchange and found no valid methods. Includes the following invalid articles: https://superuser.com/questions/1325421/...
0 votes
1 answer
154 views

Is there a graphical interface for Windows to run Tor Browser using specific list of ExitNodes rather than editing torrc every time?

I wonder if there is a graphical interface for Windows to run Tor Browser using specific list of ExitNodes rather than editing torrc every time? There are too many steps to perform this. Too bad that ...
10 votes
3 answers
30k views

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

I got the following when reaching github.com This website (github.com) attempted to extract HTML5 canvas image data, which may be used to uniquely identify your computer. Should Tor browser allow ...
0 votes
1 answer
2k views

After latest update, Avast says tor's firefox.exe has IDP.Generic virus/trojan

After latest update, Avast says tor's firefox.exe has IDP.Generic virus/trojan. Does it? How can I be sure it doesn't?
0 votes
1 answer
234 views

Does Firefox in VM have a common enough fingerprint so I don't need tor browser?

I want to know about what a web browser's fingerprint like in a VM, if VM runs a common OS and have default system settings. Can VM be configured to not have any of host machine's fingerprint? Here ...
0 votes
1 answer
2k views

viewing files on local machine via tor browser

How does Tor browser handle opening, local files such as html pages & php stored on my own computer. would it a) just open it directly from my pc hard-drive. or b) re-route it via several other ...
4 votes
3 answers
6k views

Firefox doesn't resolve onion addresses

I'm looking for this option in about:config for firefox, to access to onion domains. I've configured anonymous user on my Ubuntu: iptables -t nat -A OUTPUT ! -o lo -p tcp -m owner --uid-owner ...
1 vote
0 answers
85 views

File Quarantined by Anti-Virus Software from the Latest Upgrade of Tor Browser

I upgraded to the lastest version of Tor browser 9.0, and my antivirus software 360 Safeguard reported the file nssdbm3.dll being infected by trojan win32/Trojan.7be Could anybody tell me if this is ...
1 vote
1 answer
227 views

How come is Firefox over TOR capable of reaching TOR services?

So, I've recently, for the sake of experiment, done something that isn't recommended: I've configured Firefox to use the TOR Socks listener as a proxy. As I expected, the regular sites, such as Bing (...
7 votes
2 answers
8k views

Connect directly with Tor Browser (as in, bypass Tor)?

I recently decided to pay for CryptoStorm anonymous VPN as an extra layer to my privacy protection - so that all requests including UDP requests are automatically masked. As I understand it, all ...
1 vote
2 answers
491 views

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

Clicked on "refresh tor" and lost my homepage and log-in. still have utilities but browser is now Firefox. I clicked on Utilities, then Help (?), then troubleshooting information, On this page you ...
0 votes
1 answer
292 views

Building just Firefox for Tor Browser

I am actually working on modifying some parts of Tor Browser for my project and for that I will need to build Tor Browser's source code. I was following this website and after cloning tor-browser-...
2 votes
1 answer
462 views

Noscript DISABLED on tor 8.0.8

Noscript is completely disabled/turned off in Tor 8.0.8 and there is no way to turn it back on. I have tried reinstalling. If I try to install any version of Noscript on the firefox addon store, Tor ...
0 votes
1 answer
134 views

Will Privacy Possum in Firefox equal the Tor Browser for anonymity?

Privacy Possum is a plugin for the Firefox Browser is it equal to the Tor Browser for anonymity?
1 vote
1 answer
181 views

Firefox sync & xmarks

I was wondering if I can sign onto Firefox sync and/or X marks for bookmark sync between FF and Tor? I have installed x marks on Tor but was wondering if it is right thing to do. So alternative would ...
2 votes
1 answer
2k views

Error message "The application was unable to start correctly (0xc0000022)." whenever I try to open Tor

I recently downloaded Tor 4.0 on Windows 7 (64 bit) but whenever I try to start Tor browser, I get the following error message: firefox.exe - Application Error The application was unable to ...
0 votes
4 answers
950 views

Trying to use orbot/orfox (TOR) on Android on this website thats says Firefox 38 not supported need FIREFOX 45 or newer

Can somebody please help me, cant find a way to update browser through orbot which is basically tor on android cellphone , i tried on different types of androids each of them says the same thing ... ...