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Questions tagged [anonymity]

The word "anonymity" is used to describe the state or quality of being unidentifiable for a person's or a group of people's actions or in the case of computers, data.

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24
votes
2answers
154k views

Does my ISP know what sites I have visited if I am using Tor?

My question is basically what the title says: does my ISP know what sites I have visited if I am using Tor? I know that my ISP can know that I am using Tor. In addition I know that my ISP cannot read ...
46
votes
7answers
111k views

How can BitTorrent traffic be anonymized with Tor?

This blog post from a few years ago suggests that using BitTorrent services over Tor is a bad idea for multiple reasons. However, it also suggests some fixes to get over these problems. Is using a ...
36
votes
4answers
46k views

Does Google know that I am using Tor Browser?

Whenever I search something through Google using Tor Browser, it: Either shows me the Google Sorry page and doesn't allow me to proceed further: Or asks me to enter the CAPTCHA to view the search ...
15
votes
2answers
1k views

Is Tor's security compromised if other services are connecting in the clear?

I am using the Tor Browser Bundle, so all my internet browsing traffic is routed via Tor. However if I have other services like Dropbox, another web browser, etc. running on my machine that aren't ...
8
votes
6answers
19k views

Sending anonymous email

I need to send a completely anonymous email, with no trace of myself, my IP and my computer. Can I send it via Tor using an ordinary email server, ie, gmail, yahoo, whatever? PLEASE, I'm an ordinary ...
2
votes
2answers
164 views

Which node(s), if any, in the circuit for a hidden service, can see the URI of a request to a hidden service?

I understand that all of the communication between a client and a hidden service (.onion) takes place within the Tor network and is therefore end-to-end encrypted. What I am wondering, however, is how ...
6
votes
3answers
687 views

What are the changes made to Firefox in the TBB?

Tor software recommends to use its own modified Firefox browser to get complete anonymity. I want to do same modifications in Firefox by myself. I have noticed following changes: Use Tor proxy ...
5
votes
2answers
3k views

Does a Tor enabled browser affect other browsers?

If I'm running the Tor browser and Google Chrome at the same time will my Chrome browser affect the anonymity of my Tor browser?
1
vote
1answer
2k views

A website is stopping access from Tor, are there any solutions?

Here's the issue with a website. When I used VPN plus Tor: I got banned. When I use VPN (but use a normal browser), I am Ok and can normally do what I have to do at that website. So, if the Tor ...
7
votes
3answers
3k views

Tor -> VPN or VPN -> Tor

I'm trying to decide which method is safer, Tor -> VPN or VPN -> Tor. Lets suppose both exit nodes are compromised(Tor and VPN). They were set up by the government and it's goal is to spy on users. ...
9
votes
3answers
40k views

Are browsing files stored locally?

Does Tor store any local files that show history in the same manner that Windows has a Temp folder? If it does, where are they located?
21
votes
1answer
658 views

What are the implications of a Relay hosting a Hidden Service?

Are there any implications if whilst running a non-exit relay, I also use the same machine to host a Hidden Service? Specifically: How will this affect the anonymity of the Hidden Service (in terms ...
10
votes
2answers
282 views

Would running Tor client and Tor relay simultaneously harm my anonymity?

If I run a Tor relay in a machine and at the same time I use the same instance as a Tor client, would that harm my anonymity ? Would it be better to use different Tor instances on the same machine? ...
9
votes
4answers
3k views

Is it possible to run a secure email network using SMTP over Tor?

I have thought about some of the security issues inherent in email. For example that even if the body is encrypted the headers are plain text so metadata is available. I was wondering if this could ...
9
votes
1answer
72k views

How can one make Tor faster, when willing to to sacrifice anonymity?

It's clear, with special configs of this kind, anonymity will suffer. But if one is aware of that and willing to accept that... How can one make Tor faster? How can one use only fast relays? Will ...
6
votes
3answers
945 views

Tor does not connect----The probable cause: The security system CYBEROAM

My college has installed a security system called Cyberoam. Now they have blocked many things including youtube, break, etc., as a counter measure, I tried to find a way to circumvent this security ...
5
votes
1answer
2k views

Is it safe to resize Tor Browser window with JavaScript disabled completely?

Recent Tor Browsers (as of writing, current stable version is 3.6.5) resize the browser window to a multiple of 200x100 pixels on opening. I understand this is to reduce the chances of a user being ...
3
votes
2answers
7k views

Is there any risk to use the Tor Browser along with other programs (not using Tor)

Please, could you tell me if my anonymity is at risk if I use the Tor Browser in the following scenarios: I am using other browsers or programs (accessing the Internet, but not through Tor), while I ...
6
votes
1answer
2k views

Editing Wikipedia on Tor without creating an account?

It is widely known that editing Wikipedia on Tor IP addresses is systematically banned, to avoid vandalization from abusive users looking for no-risk anonymous editing, for their own wikipedia-...
6
votes
4answers
5k views

LastPass + Tor = Anonymous?

could you give me your idea whether using Tor in conjunction with the password manager LastPass would compromise my anonymity? LastPass stores passwords on their servers. I do not know how often it ...
3
votes
1answer
134 views

How to sign up for services that are banning you? (because of Tor?)

I have tried to sign up for a few services/accounts, most recently on http://forums.debian.net and was pretty much denied with messages like: IP Address 78.108.63.44 is listed in the CBL. It appears ...
2
votes
2answers
218 views

Can I track other users on Tor?

I'm an admin on a Windows 8.1 computer and I want to know if I can see what another user is doing on Tor. Would I just use Microsoft Family Safety? I know that the government can spy on Tor, but can I ...
23
votes
5answers
9k views

Securely hosting a Tor hidden service/site

There are some detailed instructions for setting up a Tor site at torproject.org1. It seems that it would be most secure to use a dedicated machine for this task if possible. I've read elsewhere that ...
26
votes
4answers
40k views

Should I run Tor in a VM?

I've heard advice that to further protect my anonymity/privacy it's best to run Tor (the Tor Browser Bundle) in a Virtual Machine, which you would ideally roll back after each use. What extra ...
13
votes
1answer
4k views

Why does Tor use three hops, instead of two?

With onion-routing a relay in a circuit only knows its predecessor and its successor, while a "normal" proxy is just one hop, so that it knows who connects to it and where it has to connect to. ...
6
votes
1answer
6k views

OpenWRT - route all the traffic through Tor

Passing through all the traffic in the router to Tor sounds like a good idea. But there aren't any good documentations about the implementation of this idea. Could anyone please explain, how can ...
18
votes
7answers
25k views

Can Tor be used with applications other than Web browsers?

From what I can see Tor mainly handles your web browser's traffic, but is there a way to do all of your connections through it? Like email, Dropbox, Carbonite backup, Skype etc? (Please explain ...
15
votes
2answers
6k views

Google indexing Onion hidden sites?

So I was searching to see what happened to Dread Pirate Roberts, the creator of underground marketplace Silkroad, and I came across something very strange; onion websites URLs being crawled by Google (...
8
votes
4answers
12k views

How can I use Tor without my ISP knowing?

I guess my first question should be, does my ISP know when I'm using Tor? I read somewhere that they do. In that case, the anonymity offered by Tor is rather limited. If someone suspects I posted ...
6
votes
2answers
275 views

Tracking User Location using Entry Guards?

Let's say that someone moves a Tor instance [1] from one internet access point [2] to another one. And let's say that an adversary is logging traffic from both access points. The adversary could log, ...
4
votes
4answers
758 views

Does using Email to send bridges and pluggable transport bridges hinder anonymity?

Bridges can be advertised by Email to clients. This procedure hinders anonymity as in new revelations by Das Erste. May this procedure be halted until more anonymous ways are found and/or the ...
3
votes
2answers
939 views

TBB + FoxyProxy = Safe?

Can I safely use FoxyProxy together with the Tor Browser Bundle? I like to have an additional hop after the Tor exit node. Therefore I am considering the use of the FoxyProxy plugin to the Tor ...
3
votes
2answers
1k views

What are advantages and disadvantages of Tor with respect to JonDonym?

Objectively, what are the advantages and disadvantages of Tor with respect to JonDonym (formerly known as JAP) in the sense of security and anonymity?
15
votes
3answers
504 views

Does my anonymity depend on the number of Tor users around me?

In other words, if there are many Tor users in my part of the world, do I get better or worse anonymity out of Tor compared to someone using it in an area with few Tor users?
11
votes
1answer
1k views

Is it dangerous to use Tails without persistent entry guards?

Being a LiveCD with no persistent storage by default, Tails currently does not use persistent Tor entry guards. In a recent post on the Tor blog, arma discussed the possibility of "improving Tor's ...
11
votes
1answer
287 views

How would a registration of the .onion gtld impact the Tor network?

The title pretty much says it all. What effects would a gtld registration of .onion domain have on the Tor network, is this something to worry about? Or is it something to welcome and slap a web2tor ...
10
votes
4answers
304 views

Where in the world does Tor provide the highest degree of anonymity?

As we know, Tor hides users amongst the other users on the network, so the more populous and diverse the user base for Tor is, the more everybody's anonymity will be protected. So, in which part of ...
8
votes
1answer
5k views

What encryption algorithms does Tor use?

I am building an application that will be connected over tor, using onion services. I just realized that the file generated by Tor that contains the private key of the hidden site is only RSA 1024bits....
6
votes
2answers
505 views

When I use Tor, occasionally I get two different IP address simultaneously

When I use Tor circuit during last few months I use ip-check.info site to verify my IP address in addition to check.torproject.org site. What I have noticed is that occasionally I get two IP addresses ...
5
votes
3answers
7k views

If I log into facebook with Tor, am I still protected?

I want to be able to log into social networking sites like FB. Do I have to make a new account or will Tor protect my identity still? I think I logged into FB and realized that I might not be ...
5
votes
2answers
259 views

Could Tor be hacked, revealing users' personal info? [closed]

Could Tor be compromised by hackers, allowing them to discover your IP, etc.?
4
votes
2answers
8k views

How can I anonymize my FTP traffic using the Tor network?

I want to make my ftp server visible only from Tor side.
3
votes
3answers
2k views

How can I get a different exit node IP each time I get a new identity?

I would like to get a new exit node IP addresses each time I get a new Identity and most of the times it works but sometimes I get the same ones as before. Is there an option to remove duplicate exit ...
3
votes
2answers
15k views

is it safe to download files through TOR?

So basically what I'm asking is: will downloading files (ie., video files, DOC files ect) compromise my anonomity? I ask because I visited some forums selling a answer to this very question and some ...
3
votes
2answers
3k views

How to use command line utilities through Tor? [duplicate]

Using Tor browser can help us stay anonymous. But I not always browse the web when I am on my PC. What about the command line utilities like wget and so. For example, some command line utility might ...
3
votes
3answers
2k views

Too much Not anonim Exit Nodes on the TOR Network!

Many exit nodes are not anonym. It says "Hi I'm a Proxy Or Hi I'm a Tor Exit Node on host name". Here is a test site: http://ipcim.com/hu/. Host names: TOR-EXIT.CYLAB.CMU.EDU sipb-tor.mit.edu ...
1
vote
2answers
183 views

What would happen if directory authorities were compromised or taken down?

If many directory authorities are compromised or offline, is it still safe to use Tor? What are security and anonymity consequences for Tor users of such an attack on directory authorities?
1
vote
1answer
104 views

Do utilization of bridges and/or Pluggable Transports bridges hinder anonymity?

In consideration of recent article by Das Erste publication, do bridges, and Pluggable Transports bridges utilization hinder anonymity and are essentially circumvention tools? Following, please find ...
1
vote
2answers
279 views

Can I permanently blow my anonimity on Tor?

I am new to Tor. I'm not using it for anything illegal or suspicious, I'm just trying to protect my privacy as best as I can from my ISP, NSA, etc. (primarily my IP address, and anything that could ...
13
votes
2answers
2k views

When I click “New Identity”, why do I sometimes end up with the same exit relay?

Three variants on the same question: If I click "new identity" in Tor Browser to get a new circuit, why does my new circuit sometimes have the same exit relay as the last circuit? Doesn't that hurt ...