19 votes
Accepted

How to run an obfs4 bridge?

The Tor Project's official guide is available here. It has instructions on how to set up an obfs4 bridge for several platforms, including Debian and Ubuntu. Don't forget to make sure that your OR port ...
  • 2,762
8 votes

Tor is blocked for me now (I'm in turkey) what can I do?

There seem to be some censorship events happening in Turkey. If you're having problems connecting to Tor, use obfs4 or meek-amazon. (Türkiye de bazı sansür olayları yaşanıyor gibi görünüyor. Tor'a ...
4 votes

Proxy Client: unable to connect to xxx.xxx.xxx ("Connection refused")

Your log tells you, that you have no usable consensus. So I guess, its not about the restricted sites you like to visit, its about your firewall, not letting you connect to the tor-default ...
  • 134
4 votes
Accepted

How to install a Transport Plugin on OnionPi

I've built meek-client for RPi and RPi 2 at here, and I altered the provided install script a bit at here to automatically install meek-client and use meek-amazon. Install via curl -fsSL https://...
4 votes

How to run an obfs4 bridge?

Great explanation, it helped me a lot. Like to add the following; These days I do not see a lot of obfs4 traffic yet. If you want to publish as an obfs3 AND obfs4 bridge relay you can change the line ...
  • 41
4 votes

Facebook mobile phone activation

Facebook allows neither anonymous nor pseudonymous accounts. That means you can't sign into Facebook as a guest, nor can you use a name that isn't your real name. It then follows that when you visit ...
3 votes
Accepted

Why Tor is not already a decentralized network?

The answer would be simple: Decentralization is a difficult problem. I suggest you read The fifteen year struggle of decentralizing privacy-enhancing technology. In this paper the authors list 4 ...
  • 708
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.
  • 3,735
3 votes

Website blocking Tor Traffic

Some websites tend to block IP addresses of Tor exit nodes because the abuse they get from some users anonymously accessing the site using the Tor network. When the website takes such decision, there ...
  • 1,195
3 votes

In China, Meek-azure and Meek-amazon can not be used, the following is the log, how can we use Meek?

What do when meek is blocked https://lists.torproject.org/pipermail/tor-talk/2015-January/036410.html But suppose a censor makes that call, and blocks Google/Amazon/whatever. What then? The first ...
3 votes
Accepted

TICKET_CREATE privileges - Can't create a ticket on the tracker

The Tor Project is currently in the process of migrating from trac to a Gitlab instance. It may be difficult to report issues there for the next few weeks. Instead you can try mailing lists, or asking ...
  • 2,933
2 votes

Is there a way through DPI firewall?

You might look at the pluggable transports like obfsproxy which is designed with DPI in mind. You might also try using a bridge relay rather than the regular 9 directory authority servers. These are ...
2 votes

Why is Tor not illegal anywhere?

Simple explanation could be - for the same reason that although it is not illegal to keep secrets, it becomes illegal if the secret endangers a person / place / nation. another example - courts are ...
2 votes

How often do Tor exit nodes change Ip addresses?

Typically the IP address won't change. A large number of exit nodes are on dedicated servers or VPSs, so the public IP will likely stay same unless the owner moves to a new server. In this case they'...
  • 2,910
2 votes

How to use tor exit node and VPN to break through GFW in China?

I'm not familiar with Tor, but I suppose you just want to go through the GFW in China with a VPS server.(Hong Kong Server is ok) Most people in China nowadays use SS(shadowsocks)/SSR/V2ray to get ...
  • 21
2 votes

Website blocking Tor Traffic

One way to circumvent the blockage is to send the output of Tor network to a VPN or Web proxy as shown blow: Client---Tor---VPN---Destination site or Client---Tor---Web proxy---Destination site To ...
  • 3,256
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 ...
  • 5,491
2 votes

Can't governments who want to censor Tor just block the directory authorities?

When a normal client first starts it fetches the directory information from a directory authority (or a fall-back). Since it does not know any relays it has no choice but to fetch them directly. At ...
  • 10.9k
2 votes
Accepted

What's keeping [insert dictatorship here] from blocking all bridges after first use?

China has already been doing this for some time. Anyone who runs a Tor relay will often receive inbound connections from some random residential looking IP address in China, often with some bizarre ...
  • 10.9k
2 votes

Loading tor browser gets stuck at establishing encrypted directory connection

You have a SSL/TLS active attacker on your connection, use Meek pluggable transport to mitigate this. You can also try obfs4
  • 5,491
2 votes
Accepted

Optimal configuration for an obfs4 bridge

What numbers to choose for OR and obfs4proxy ports? For an obfs4 bridge I'd recommend: Picking a low numbered port that's used by a common service for obfs4 (it takes a few extra steps to allow ...
  • 10.9k
2 votes

Is it possible to use meek bridges in orbot?

Yes, Orbot supports meek, specifically meek-lite provided by the obfs4proxy binary that's shipped with Orbot. When you enable bridges (swipe in left, and toggle the 'Bridges' slider to on) it will ...
  • 10.9k
2 votes
Accepted

censorship and tbb exit nodes.

To the exit node the exit node's local ISP filters may apply - like to any other network client in that place: yes, from the point of ISP an exit node is a client. In your example a censorship of ...
  • 5,491
1 vote

I want to use a private obfs4 tor bridge, without tor

You need to use it with Tor, because the bridge - after passing through OBFS4(and any pluggable transport) expects a tor protocol, it's not a transparent proxy
  • 5,491
1 vote

Tor website censored at school, what can I do about it?

Begin by politely asking for a written reason for the block, the process by which the decision to block was made (including the people or roles involved in making the decision) and the process for ...
  • 181
1 vote

Tor website censored at school, what can I do about it?

To start off with, if your only goal is to download and run Tor; you can download it at home and place it on a USB. If you want to get the Tor website unblocked, I would recommend speaking with the ...
  • 111
1 vote

How can I check for a website's behavior towards Tor, compared to its normal behavior?

This isn't a question about Tor. It really boils down to: How do I programmatically check whether two websites are the same? Where those two websites are, 1) the site when browsing without Tor, 2) ...
1 vote

Why is Tor not illegal anywhere?

well, for example in China Tor is blocked! you can also call it censorship or banning... the only way to use Tor in China is over a Bridge! maybe there is no law against Tor because it is anyway ...

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