Steven Murdoch
  • Member for 8 years, 3 months
  • Last seen more than 1 year ago
How can I prevent my different activities carried out over Tor being linked?
Accepted answer
21 votes

Browsing different websites At the moment, it is not advisable to browse two different websites at the same time when you don't want your activity to be linked. The Tor client can't tell which tab/...

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Best way to set up a Tor lab?
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13 votes

The easiest way is to emulate the network, such as with ExperimenTor (which uses virtual machines) or Shadow (which uses a discrete event simulator). With Shadow (which I have more experience with), ...

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Are there trustworthy third-party audits of the Tor source code?
Accepted answer
13 votes

Third-party audits are most valuable for closed-source software where there is a restriction on who can look at the source code. In contrast, Tor is open-source so anyone can look at the source code ...

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Is it possible to make the Tor onion-routing path longer?
Accepted answer
12 votes

Yes, it is possible (through a source-code change), but it is a bad idea. If an attacker is observing (or controls) the first and last hop of your circuit they will very likely be able to de-anonymize ...

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Tor plug-in for Chromium?
9 votes

Currently the only safe web browser to use with Tor is Tor Browser. Tor Browser is based on Firefox but incorporates changes which are necessary to protect against profiling attacks. Many of the ...

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May I do security inspection on exit relays?
9 votes

To add to the other reasons of why this is a bad idea, there are also legal issues with monitoring or modifying traffic going through your exit node. From the Tor legal FAQ: Should I snoop on the ...

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How can I set up the fastest network for a Tor relay?
Accepted answer
7 votes

As of today, the highest performing Tor node is pushing about 30 MB/s so if you are looking for tips, I'd suggest trying to match what the fastest Tor nodes are doing. Firstly, choose a good platform....

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When does a relay get the Named flag?
7 votes

From the Tor directory specification (emphasis added): Named – Directory authority administrators may decide to support name binding. If they do, then they must maintain a file of ...

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Why do I get an avast notice on my host (!) machine when I run tails in a virtual machine?
7 votes

The Tor client uses TLS to encrypt connections between clients and relays, as well as between relays. TLS was selected primarily because it is standardised, well analysed and offers reasonable ...

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How does a Tor client pick Tor nodes for circuit creation?
6 votes

The other answers give an overview of what happens, but if you want to learn the consequences of the path selection algorithm you need to have a simulation based on real data. Fortunately there now is ...

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Aside from disabling Javascript in Firefox, how can I make Tor Browser Bundle more secure?
6 votes

Another idea is to prevent the computer you run Tor on from knowing your external IP address by connecting it to the Internet via a NAT router. This helps mainly in combination with something like ...

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How to deal with "SOCKS5 TTL expired" error?
5 votes

What is happening is that Tor is returning the SOCKS error code SOCKS5_TTL_EXPIRED (0x06) as a result of a stream being closed for reason END_STREAM_REASON_TIMEOUT. There are many potential reasons ...

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How to protect against DoS but not harm Tor users
5 votes

The first option to explore should be to make the service less vulnerable to DoS attacks. The Tor network is small compared to an average botnet and is overloaded. If you design a service to resist ...

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Firefox doesn't resolve onion addresses
3 votes

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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Why is there no Tor Bundle 3.5 for OS X 64bit?
3 votes

Currently there is no 64-bit Tor Browser Bundle for OS X. However, the 32-bit version should work fine on 64-bit Intel CPUs and performance should be equivalent to a 64-bit version. A 64-bit bit ...

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How does Torbutton remove browser signature header?
3 votes

The Tor Browser (through the Torbutton extension and patches to the browser code) tries to make every Tor user look the same, for example by disabling unsafe browser features such as certain ...

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How to use Tor behind a http-only proxy?
3 votes

At the moment, if you have to use a HTTP proxy server and that proxy server doesn't support the CONNECT method then you are out of luck. There are plans to build a pluggable transport which carries ...

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How to configure Tor?
2 votes

The Tor Browser Bundle should not need any configuration to work with a standard computer. It looks like either something has gone wrong with your installation or there is a bug. If you post further ...

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Why does Tor Browser open my timezone file?
1 votes

Tor needs to know the system timezone in order to convert the system time (which on macOS, is in the UTC timezone) into the local timezone, when producing log messages. Even though Tor Browser doesn't ...

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Are individual circuits exposed in inter-relay traffic?
Accepted answer
1 votes

Links between Tor nodes are encrypted using TLS (on top of the telescoping onion routing circuit encryption) so the number of cells corresponding to each circuit is obscured from an external adversary....

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Vidalia Disappears
0 votes

Vidalia is no longer part of the Tor Browser bundle. Instead, the most important functionality of Vidalia has been integrated with Tor Browser itself. So perhaps what you are seeing is that the ...

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