Improve this answer. Roya Roya 3, 3 3 gold badges 16 16 silver badges 38 38 bronze badges. Where can I search for the user-agent strings? Not only you obtain the user-agent, but also a lot more information about Tor browser. Teso Teso 9 2 2 bronze badges. Sign up or log in Sign up using Google.
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Then, client side, no additional requests, or complicated logic, is needed. Rather, it is designed so that all copies are indistinguishable from each other: you cannot track a browser from one site to another, or from one visit to another, strictly through browser fingerprinting. This may be less reliable, though, as not all exit nodes are published.
EDIT: Since you updated your question, the second option a list you host locally is going to be preferable. There is no reliable way to detect the TOR Browser If you find a reliable way, chances are somebody else finds it too, tells the TOR developers and they close it.
The current release version e. You may apply some heuristics to detect a TOR Browser with a certain probability, but will also generate some false-positives There might be a quite reliable way. Check if it returns you a blank white image when you try to Base64 it using canvas. When you do so an notification is shown. No matter what user chooses JS returns a white image. Here is an example I made for myself. For me it was important to detect if I have an access to the image, but it can be used for Tor detecting in some way.
But some of these resources may also be included to any web page and executed via script tag. Mozilla developers is not consider the resources as a fingerprinting vector, despite the fact that some of them can reveal what the user does not wish. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Ask Question. Asked 6 years, 11 months ago. Active 3 years, 1 month ago. Viewed 8k times.
Improve this question. KajMagnus KajMagnus Do you want to detect that the browser is the Tor Browser Bundle, or that the user is connected to the Internet over Tor? Add a comment. Active Oldest Votes. This gives it a distinct fingerprint of its own. Improve this answer. Mark Mark 2, 2 2 gold badges 16 16 silver badges 31 31 bronze badges.
Thanks for the details about how to detect Tor Browser. Finesse, the fingerprint changes over time.
Скачиваем TOR Browser и устанавливаем на свой ноутбук. Переходим в ТОР браузере на about:addons, в поиске вбиваем user agent switcher. Дополнение User-Agent Switcher. Выше мы уже говорили о том, что современная версия Tor Browser позволяет сайтам. Все интересные настройки Firefox делаются на служебной странице по адресу C:\Users\[username]\AppData\Roaming\Mozilla\Firefox\Profiles\[.