Questions tagged [bridge]

Questions relating to bridge relays, their maintenance and operation.

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1answer
48 views

TOR switched bridges

I open TOR with a bridge to a foreign country. During use when I opened a new tab the bridge switched to USA. I never saw this happen before. Is it suspicious or normal activity?
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2answers
2k views

What does the log line “not enough directory information to build a circuit” mean?

I just changed tor bridge type from obfs3 to obfs4. What's the meaning of the bold sentence? BTW, Tor connection is fine. (Win7 user) 2016-01-18 7:26:51.800 [NOTICE] new bridge descriptor 'xxxxx' (...
2
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1answer
203 views

Should the MyFamily option be set for bridges?

I am running two relays and a couple of bridges. Currently only the relays have the MyFamily option set. Should the bridges also have it set? Should they include the relays or should they not? Is this ...
2
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1answer
922 views

In Orbot, obfs3 bridges don't work.

I have Orbot 14.0.5 installed from F-droid. obfs3 bridge lines are ignored by Orbot and orbot just connects directly to tor network. For pasting bridge lines in Orbot, Should I add the word "Bridge" ...
2
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1answer
148 views

What does the traffic pattern of a bridge look like?

For about two weeks now I've had three bridges running but none of them is getting any real traffic yet. Example : It usually doesn't have any OR connections at all, and never goes above three (with ...
2
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1answer
143 views

How does TBB gets “Provided bridges”?

I used "use provided bridges" option for obfs3 in TBB 3.6. When I got TBB 3.6.2, I didn't copy over torrc from old directory, I thought it might get new set of "provided bridges", but when I opened ...
2
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1answer
145 views

How does tor keep the list of bridges secret?

List of all entry/exit/relays are public knowledge and ISPs / govts can use it to block access to tor. How are bridges different in this respect? From my understanding anyone can request for bridge ...
2
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1answer
55 views

How can I enable 'Connect through cloud servers' in torrc?

In Orbot there is an option for bridges like this: How can I enable this feature in torrc?
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1answer
538 views

What is iat-mode at the end of obfs4's bridge lines?

By looking at a obfs4 bridge, we can see that it ends with iat-mode=x which x can be 0, 1 or 2. Bridge obfs4 1.2.3.4:9443 0F2C3218 cert=FH+9dukjekdfhcn iat-mode=0 What does this iat-mode indicates ...
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0answers
96 views

What kinds of attack can a bridge carry out?

I have been recently doing some research on anonymity implications of using a bridge, and wrote a tool (not very well written though) for setting up a malicious bridge node. However, I am not clear ...
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259 views

connecting issues when setting 'ExitNodes' in torrc

The Tor connection was unstable so I had to use bridges.Got the bridges from bridges.torproject.org and put in the torrc file: UseBridges 1 # This works for Ubuntu Linux, adjust the path according to ...
2
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0answers
510 views

Setting up a Tor bridge?

I have a Windows server I hardly use, and I decided that I wanted to use it to run a Tor bridge. I've been trying all morning to figure out how to set it up to no avail. Most of the tutorials I've ...
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0answers
157 views

How to use Tor via VPN and with help of bridges?

When I tried to use Tor with VPN it worked at my home network but when I tried at my university it can't open as they have blocked Tor so I have to use VPN which I'm sure they haven't blocked, but ...
2
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0answers
575 views

Can not connect to Tor even with Bridges

I have tried many versions of the Tor, even with the latest bridges. But still bootstrap is stuck at 10-85%.. and I can not connect to Tor network. please help me fix this issue and what to do? thanks
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0answers
5k views

Tor failed to establish a Tor network connection “missing pluggable transport” [closed]

I was using tor browser on my previous Windows XP installation without any problem, but after I installed Tor Browser version 4.0 on my fresh Windows XP-SP3 I can not connect to Tor network. I choose ...
2
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0answers
185 views

What are Bridges and Relay Centers in Tor

While configuring Tor you get something called Bridges and Relay Center. I have tried to decode what is this exactly and how to configure this but failed miserably due to which I just removed the ...
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1answer
124 views

Anyway to run a meek bridge on a php hosting?

Is it possible to use a common php hosting to run a meek bridge ?
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2answers
563 views

Bridge to improve anonymity

Tor official page says “Tor fails when the attacker can see both ends of the communications channel.” Then,setting up a bridge on pc A and using it myself as entry node on pc B (with vpn to change ...
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2answers
15k views

Stuck at “Establishing an encrypted directory connection”

it seems that there are some problems when i try to configure the Tor connectionS: the Bridges used in configuration are totally from "://bridges.torproject.org/bridges?transport=obfs4"; And before ...
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1answer
1k views

Is it possible to use meek bridges in orbot?

I decide to try orbot in a heavily censored environment and can't get it to work. ppl suggests try to put a few bridges in the setting menu. I tried a few obfs3 and obfs4 bridges, and it doesn't help, ...
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1answer
580 views

Mutliple “bridge” lines in torrc

Using Tor (not the TBB), therefore I must compose my torrc config files manually. Using bridges that I get from "bridges.torproject.org". Assume the "torrc" in use has more than one 'Bridge' lines in ...
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1answer
1k views

How can I debug Tor connections to see where obfs4 fails?

Tor connects to private obfs4 bridge, but torbrowser fails I setup a private bridge (Tor 0.2.8.4) and tested it with Tor Browser (6.0.2) successfully. When I enabled obsf4 (0.0.3) in the bridge, ...
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1answer
75 views

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

Bridges exist in the Tor network to circumvent censorship by not publishing them all at the same time or as a full list. So far so good... But how can a powerful adversary, like for example China, be ...
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1answer
1k views

Does eduroam block tor?

I've experienced difficulties connecting to Tor from eduroam. Does eduroam block tor? Would this be simply an artifact of the institution through which I tried to use eduroam?
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2answers
58 views

Having trouble connecting to tor via cli but TorBrowser connects without Problems

I'm trying to run tor via terminal because I just need the proxy functionality and not all the other stuff TorBrowser offers. I'm on macOS and installed tor using brew install tor tor is censored on ...
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1answer
170 views

IRAN blocked tor network, THE NEW CHINA?

recently we noticed that Iran's government by using firewall or blocking tor exit nodes or .... has blocked access to websites hosted inside, no websites inside Iran is accessible via tor. we thought ...
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1answer
54 views

Running tor on 2 ISPs with load balancing

I have 2 ISPs (Vivo and NET) on load balancing by my Cisco RV340. This makes outside internet peers to see me as if I kept alternating 2 different IPs, because each connection is randomly sent to one ...
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1answer
155 views

using meek bridge programmatic

I am working on a tor launcher using stem.process module. my problem is that when i specify tor to use meek bridge, it stop at bootstrapping part. my config: config = { 'SocksPort': '7000', '...
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1answer
425 views

My ISP is holding all the bridges

The ISP has contracted a service that captures bridges@ and BridgeDB. Meek works but the connection is very slow (60~100 kbps). How do I get obfs4 bridges that they cannot capture?
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1answer
235 views

(dis)advantages of using bridges & transports where not strictly needed?

What if any are the (dis)advantages - with respect to speed, anonymity, secrecy... - in using bridges and obfuscated transports from such places where access to plain Tor relays is NOT blocked nor ...
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3answers
245 views

Can the tor initial client to relay or bridge connection be MITM attacked?

I am not an expert in Wireshark but I was looking at some packets through Wireshark. I noticed that when using a relay that the connection to the directory authority the first few TCP packets such as ...
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1answer
243 views

Is there any reason an ISP can't block the BridgeDB?

Keep in mind that my knowledge of Tor Bridges specifically is fairly limited (I basically only know that a bridge is an unpublished guard node that you can use to enter the Tor network without anybody ...
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1answer
531 views

How can I bridge Wlan to Ethernet through tor?

Hi I want to bridge WiFi to Ethernet but I want to do it more anonymous. So how can I do it with the tor network? By the way I want to use Linux for doing that. So please don't send me Windows ...
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2answers
1k views

How do I run a bridge with obfs3 pluggable transport?

i want to create a Tor bridge which: is not an exit node. I can use to anonymize my connections to the Internet Here are the settings in my torrc: SocksPort 9050 ORPort 9001 ExtORPort auto Nickname ...
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1answer
596 views

Is there a way to use a Bridge as an Exit Node?

I know a bridge is used an an entry node, but what if I want to use either another Bridge as an Exit Node, or at least, use the Bridge function for the Exit Node rather than the entry node. ...
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2answers
2k views

using orbot bridges on android

when using the bridge through Google, azzure, or Amazon i get errors like the below. NOTICE: Bridge at '0.0.2.0:1' isn't reachable by our firewall policy. Skipping. is there any idea why i get ...
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1answer
107 views

How do bridges defend themselves against targeted scans?

Running a Tor Bridge recommends using port 443 and even when running a bridge using a pluggable transport an open (non-transport) bridge port seems to be required. Assuming someone runs obfs4 and a ...
1
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1answer
771 views

Tor bridge on Azure Windows Server 2012

I am trying to set-up a Tor Bridge on Windows azure using Vidalia (Windows Server 2012 Datacenter Edition R2 in a VM) and while the Setup is no Problem and it connects to the Tor Network I don't ...
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1answer
260 views

How to update obfs4proxy source code?

So I correctly downloaded and build the obfs4proxy source code about a month ago, using the documented go get git.torproject.org/pluggable-transports/obfs4.git/obfs4proxy Now how do I update my ...
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1answer
71 views

Which pluggable transport works on RHEL6/RHEL7?

A cheap VPS is a lot more cost-effective that running a bridge on Amazon's AWS. This implies that the transport mechanism has to be built on the VPS, and added to the bridge configuration. But which ...
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1answer
294 views

How can I change from a private to a obfsproxy bridge on Amazon AWS?

I set up an AWS server as a private bridge, but actually wanted to have a obfsproxy bridge. Is it possible to change it later, or should I delete the old server and set up a new one?
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0answers
31 views

Hidden Service Behind a Bridge

Without a bridge, my hidden service is accessible for others. But when I use a tor bridge, this hidden service is not accessible. My torrc is: UseBridges 1 Bridge obfs4 my_bridge_ip:my_bridge_port ...
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0answers
97 views

Could not launch managed proxy executable at '/usr/bin/obfs4proxy' ('No such file or directory')

Lately I have been trying to set up an obfs4 bridge on my RaspberryPi 3 (running Raspbian 9 (stretch) ) following the official guide. After setting up the torrc file to: OrPort [PORT1] ...
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1answer
586 views

Tor won't connect even through bridges

Using the Tor browser bundle, I can't connect to Tor at the Port Angeles, Washington library. I have tried all the connection options including requesting some bridges. When trying to connect, the ...
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0answers
159 views

Running an obfs4 bridge: Setting the IP address to advertise

I run a Tor bridge in a FreeBSD jail. I received an email from someone letting me know that a private IP address was being advertised for the obfs4 bridge. In torrc, I set up Tor to advertise my ...
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0answers
45 views

Windows 7 and TOR no longer working. [closed]

The last time I used TOR was a couple of months ago. I did nothing to the computer(s) it's on. TOR now shows the Loading Progress Bar and Gets about half way loaded and Stops. Is anyone Else having ...
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0answers
194 views

Failed to establish a Tor connection. Establishing an encrypted directory connection failed. None of the answers work read below for more please

Tor failed to establish a Tor network connection. Establishing an encrypted directory connection failed And adress and port changes all the time I tried All the bridges, obs4, obs3, meek, fte and ...
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0answers
257 views

Cannot connect tor, Identity key mismatch

I tried connecting to tor, but I'm getting a identity key mismatch and I have no idea how to fix it. Jun 21 19:43:06.202 [notice] Tor v0.2.4.27 (git-412e3f7dc9c6c01a) running on Linux with Libevent ...
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0answers
187 views

Is using a private bridge a suitable alternative compared to a VPN for connecting to Tor entry nodes?

I am a Tor newbie and considering deploying my own private bridge to connect to the Tor network. Normally I would connect to Tor via a VPN to prevent the entrance node from knowing my clearnet IP but ...
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0answers
84 views

Using bridges don't hide using TOR, is it okay? [closed]

Good day, Using bridges don't hide using TOR, is it okay? If the question is stupid, sorry) To check it - whoer helped. If it's normal situation, please, advise smth. that can hide it absolutely, ...