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6 votes

Failed to connect to Tor network?

It is repeatedly warning you about the time being wrong. A synchronized clock is extremely important to make a connection to anything even if you've been able to download all of the consensus ...
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  • 1,274
6 votes

Security of Tor bridges and Captcha

Any captcha system can be broken by paying people. The captcha has been attacked in the past by a nationstate adversary. The captcha isn't critical to the security of Tor, it does present problems ...
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  • 10.8k
5 votes

Failed to connect to Tor network?

The first warning in the logs is this: 11/6/2015 7:05:53 AM.400 [WARN] Our clock is 1 days, 21 hours, 54 minutes behind the time published in the consensus network status document (2015-11-08 10:00:...
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5 votes

Get Tor bridges via email

I always use this feature to get new bridges but the address is different. I send "get bridges" to bridges@torproject.org. Actually I sent one to be sure about my answer (:D). It is working perfectly. ...
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5 votes

problem with obfs4proxy and apparmor (solved)

In your torrc there is the line ClientTransportPlugin obfs4 exec /usr/bin/obfs4proxy --managed Furthermoer the log file states: Jun 08 21:33:05.000 [warn] Could not launch managed proxy ...
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  • 8,663
5 votes

find needed details of my own private obfs4 Tor bridge

From the obfs4proxy README: The autogenerated obfs4 bridge parameters are placed in DataDir/pt_state/obfs4_state.json. To ease deployment, the client side bridge line is written to DataDir/...
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  • 10.8k
4 votes
Accepted

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

This is rather a non issue, I think. People typically use bridges when their Internet uplink (ISP, university, employer, etc.) blocks access to known entry guards. This may be part of national policy, ...
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  • 2,989
4 votes
Accepted

Anyway to run a meek bridge on a php hosting?

You can rewrite meek in php. But it's too complicated. There is a simple way to run a relay, just function like a meek server. Here are code: https://gitweb.torproject.org/pluggable-transports/meek....
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4 votes
Accepted

Why Do I Get More Than One Bridge?

Basically convenience and/or choice. Example: You've been using a particular bridge for a while - the first bridge of the three - but your ISP has now started to block it. You can try the second ...
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4 votes

How does Tor client build circuits when using a bridge?

Yes, they are taken from the bridge. Every bridge has the latest directory information cached (just like any directory mirror), and Tor clients fetch them directly and build circuits with the bridge ...
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  • 725
3 votes

Failed to connect to Tor network?

This line if very descriptive: 27-05-2015 10:55:01.356 [WARN] Our clock is 17 hours, 4 minutes behind the time published in the consensus network status document (2015-05-28 03:00:00 UTC). Tor ...
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  • 1,274
3 votes

In what ways can private relays be used?

By definition bridge relays are Tor relays that aren't listed in the main Tor directory. So if you set: BridgeRelay 1 PublishServerDescriptor 0 this will cause your relay to not publish anywhere. ...
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  • 708
3 votes
Accepted

Tor 4.5.3 - obfs4 bridges can't connect to network

Obfs3 and Obfs4 have a goal of obscuring traffic so that it looks like arbitrary random data. Some environments have created policies such that if the protocol identified via deep packet inspection is ...
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  • 1,274
3 votes
Accepted

Converting an existing Tor relay into a bridge, does it make sense?

You are correct. Your IP address is tainted and not suitable to host a bridge. Even if it is not blocked, it is still unsafe to connect to your IP for people who need bridges.
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  • 3,745
3 votes
Accepted

tor relay and bridge on one server with two IP addresses

You'd need to run two Tor instances, one for the published relay and the other for the bridge. The important part will be in specifying the correct IP address to bind to and listen on for the ...
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  • 10.8k
3 votes

Tails 3.0 blocks connection to ANY obfs4 bridge

Make sure your time zone and time settings are correct, if your system clock time is off, obfs4 will fail to connect. Tails automatically synchronize time upon start, but sometimes the time ...
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  • 85
2 votes
Accepted

How to configure IPv6-enabled bridge?

There are no IPv6-specific stuff in torrc, but make sure to check all theese points : You're running a system with IPv6 functionality enabled You have compiled all the pre-requisites of Tor and the ...
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  • 5,401
2 votes

What is the relationship between guard nodes and bridges?

Bridge, is designed to act as entry node (guard). There is no difference as far as number of hops with or without bridges when you connect to a given server. If there were three hops required to ...
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  • 3,236
2 votes

Tor and download speed

What I think was happening was that Tor prevented my IP from being tracked by my ISP and managed to limit my download speed. Generally Tor nodes are public, so it would be a matter of time before an ...
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  • 3,236
2 votes

How to add obfs3 bridges in Tor browser?

Fingerprint is not necessary here. Just type obfs3 ip:port and it will work. The "bridge" will be added automatically for each bridge and you might just keep it as it is. When the format isn't ...
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  • 121
2 votes

Trying to set up a bridge, no luck!

The reason that Tor isn't working is very simple. When you added the bridge configuration lines, there were duplicate lines that already existed in your relay configuration lines. Mainly, it is ORPort ...
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  • 1,195
2 votes
Accepted

How do ISPs filter out Tor traffic when using a Tor Relay

An attacker has several methods to find out that you're using Tor. If you use plain Tor without bridges or other circumvention technology than the IP addresses are known to the world. An attacker ...
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  • 8,663
2 votes

Use of tor bridges

It doesn't matter whether you use a bridge or not. You're experiencing a coincidence, not some actual relation between using bridges or not.
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  • 2,209
2 votes

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

How about bitmessage? https://bitmessage.org If Tor gives a bitmessage address to request bridges like how it is done in email. Bitmessage is said to be encrypted P2P messaging protocol but it is ...
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  • 21
2 votes
Accepted

Does eduroam block tor?

The problem is likely caused by the institution you are connecting to, and not eduroam. I have never used eduroam (nor heard of it before this post), but after viewing their documentation it appears ...
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  • 86
2 votes

How to access "Configure" page to set up bridge relay

If a site is banning 'you' (they actually ban all Tor exit nodes) then using bridges will not help you. Bridges are an alternative way to enter the Tor network, which can be useful if your ISP ...
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  • 3,745
2 votes

Stuck at "Establishing an encrypted directory connection"

It seems that you may be a victim of TLS/HTTPS MitM-attack, try to use Meek and Obfs3/4 pluggable transports. If it won't work either - please post your Tor log here, so I'll be able to help you ...
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  • 5,401
2 votes
Accepted

Bridges - How to prevent a big adversary to learn all bridges

It works, and exactly like this! To learn published bridges you need : A working Perl + some modules(email-related) A working list of emails OR a script to create ones A...Tor client(!!!) for making ...
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  • 5,401

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