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Generally it is impossible to have perfect anonymity, even with Tor. Though there are some things you can practice to improve your anonymity while using Tor and offline.

Use Tor Browser and software specifically configured for Tor.

Tor does not protect all of your computer's Internet traffic when you run it. Tor only protects applications that are properly configured to send their Internet traffic through Tor.

Web browsing:

File sharing:

Control what information you provide through web forms.

If you visit a website using Tor Browser, they don't know who you are or your true location. Unfortunately many sites ask for more personal information than they need through web forms. If you sign in to that website, they still don't know your location but they know who you are. Further, if you provide: name, email, address, phone number, or any other personal information, you are no longer anonymous to that website. The best defense is to be vigilant and extremely cautious when filling out web forms.

Don't torrent over Tor

Torrent file-sharing applications have been observed to ignore proxy settings and make direct connections even when they are told to use Tor. Even if your torrent application connects only through Tor, you will often send out your real IP address in the tracker GET request, because that's how torrents work. Not only do you deanonymize your torrent traffic and your other simultaneous Tor web traffic this way, you also slow down the entire Tor network for everyone else.

Don't enable or install browser plugins

El Navegador Tor blocarà connectors com ara Flash, RealPlayer, Quicktime i d'altres: els podrien manipular perquè revelin la vostra adreça IP. Similarly, we do not recommend installing additional addons or plugins into Tor Browser, as these may bypass Tor or otherwise harm your anonymity and privacy.

Use HTTPS versions of websites

Tor will encrypt your traffic to and within the Tor network, but the encryption of your traffic to the final destination website depends upon on that website. To help ensure private encryption to websites, Tor Browser includes HTTPS Everywhere to force the use of HTTPS encryption with major websites that support it. However, you should still watch the browser URL bar to ensure that websites you provide sensitive information to display a padlock or onion icon in the address bar, include https:// in the URL, and display the proper expected name for the website. Also see EFF's interactive graphic explaining how Tor and HTTPS relate.

Don't open documents downloaded through Tor while online

Tor Browser will warn you before automatically opening documents that are handled by external applications. DO NOT IGNORE THIS WARNING. You should be very careful when downloading documents via Tor (especially DOC and PDF files, unless you use the PDF viewer that's built into Tor Browser) as these documents can contain Internet resources that will be downloaded outside of Tor by the application that opens them. This will reveal your non-Tor IP address. If you must work with files downloaded via Tor, we strongly recommend either using a disconnected computer, or using dangerzone to create safe PDF files that you can open. Under no circumstances is it safe to use BitTorrent and Tor together, however.

Use bridges and/or find company

Tor tries to prevent attackers from learning what destination websites you connect to. However, by default, it does not prevent somebody watching your Internet traffic from learning that you're using Tor. If this matters to you, you can reduce this risk by configuring Tor to use a bridge rather than connecting directly to the Tor network. Ultimately the best protection is a social approach: the more Tor users there are near you and the more diverse their interests, the less dangerous it will be that you are one of them. Convince other people to use Tor, too!

Be smart and learn more. Understand what Tor does and does not offer. This list of pitfalls isn't complete, and we need your help identifying and documenting all the issues.

En termes generals, no recomanem utilitzar una VPN amb Tor llevat que sigueu un usuari avançat que sàpiga com configurar-los d'una manera que no comprometi la vostra privadesa.

Podeu trobar informació més detallada sobre Tor + VPN al nostre wiki.

Tor Browser is currently available on Windows, Linux and macOS.

There is a version of Tor Browser for Android and The Guardian Project also provides the Orbot app to route other apps on your Android device over the Tor network.

Encara no hi ha una versió oficial del Tor per a l'iOS, tot i que recomanem l'Onion Browser.

Desaconsellem encaridament que instal·leu complements nous en el Navegador Tor, ja que poden comprometre la vostra privadesa i seguretat.

Instal·lar complements podria afectar el Navegador Tor en maneres imprevisibles i fer única la vostra empremta digital. Si la vostra còpia del Navegador Tor té una empremta única, les vostres activitats poden deixar de ser anònimes i es poden rastrejar, encara que estigueu utilitzant el Navegador Tor.

Bàsicament, la configuració i funcions de cada navegador creen el que es coneix com a «empremta del navegador». La majoria dels navegadors creen sense voler una empremta única per a cada usuari que es pot rastrejar a través de la internet. Tor Browser is specifically engineered to have a nearly identical (we're not perfect!) fingerprint across its users. Això significa que cada usuari del Navegador Tor sembla com qualsevol altre usuari d'aquest, fent que rastrejar un usuari individual sigui difícil.

També hi ha una probabilitat alta de què un complement nou incrementi la superfície d'atac del Navegador Tor. Això podria permetre que es filtressin dades sensibles o permetre que un atacant infectés el Navegador Tor. El mateix complement podria estar dissenyat de manera maliciosa per a espiar-vos.

Tor Browser ja ve instal·lat amb dos complements: HTTPS Everywhere i NoScript, i afegir-ne qualsevol altre podria fer perdre l'anonimat

Want to learn more about browser fingerprinting? Here's an article on The Tor Blog all about it.

El Navegador Tor pot, per descomptat, ajudar els usuaris a accedir al vostre lloc web des d'ubicacions on estigui blocat. Normalment, només cal baixar el Navegador Tor i utilitzar-lo per a navegar per la pàgina blocada per a poder accedir-hi. En llocs on hi ha una gran censura, tenim disponibles diverses opcions d’elusió de la censura, incloent-hi transports connectables.

Per a obtenir més informació, consulteu la secció de censura del manual d’usuari del Navegador Tor.

El Navegador Tor evita que la gent conegui els llocs web que visiteu. Algunes entitats, com ara el vostre proveïdor de serveis d’Internet (ISP), podrien veure que esteu utilitzant Tor, però no sabran on aneu quan ho feu.