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Few days ago on Android 7.1.2 I have installed Orbot and Orfox from Google Play. Few days back I started Orbot and pressed Start button. Connection was successfully established and Browser button was enabled and I could click on it and Orfox started successfully (check.torproject.org display Congratulations message) and web sites can be normally displayed in Orfox. Then I clicked Stop button in Orbot and clicked on left menu button and selected Bridges and selected "Tunnel through Azure" and pressed the Start button. It took little bit longer, but Browser button was enabled again and I could click on it and Orfox was started successfully. So bridges working fine.

But yesterday and today I can start Orbot without bridges, but when I click on left menu and select Bridges | Tunnel through Azure and connection in Orbot is not completed successfully. I have tried many times (also rebooted Android, yes I know old Windows habit).

Today I did:

 1. Right menu and clicked on Settings. 2. Scroll down and in Debug section checked the "Debug log" check box. 3. From menu button I clicked Exit to shutdown Orbot and to clear logs. 4. Started Orbot. 5. Left menu Clicked on Bridges | Tunnel through Azure. 6. Press Start button.

It is interesting Browser button gets enabled, but when clicked on it Orfox starts but check.torproject.org does not load at all, so it looks like connection to Tor network is not established yet.

Bellow is log file. I have looked through the log and replaced anything suspicious with many XXX, to remove potentially sensitive information.

Set background service to FOREGROUND Orbot is starting… Orbot is starting… updating settings in Tor service updating torrc custom configuration... torrc.custom=ControlPortWriteToFile /data/data/org.torproject.android/app_bin/control.txt SOCKSPort 9050 SafeSocks 0 TestSocks 0 WarnUnsafeSocks 1 TransPort 9040 DNSPort 5400 VirtualAddrNetwork 10.192.0.0/10 AutomapHostsOnResolve 1 DisableNetwork 0 Log debug syslog Log info syslog SafeLogging 0 UseBridges 1 ClientTransportPlugin meek_lite exec /data/data/org.torproject.android/app_bin/obfs4proxy Bridge meek_lite 0.0.2.0:1 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX url=https://XXXXXXXXXXXXXX.cloudfront.net/ front=XX.awsstatic.com Bridge meek_lite 0.0.2.0:2 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX url=https://meek.azureedge.net/ front=ajax.aspnetcdn.com GeoIPFile /data/data/org.torproject.android/app_bin/geoip GeoIPv6File /data/data/org.torproject.android/app_bin/geoip6 StrictNodes 0 success. Orbot is starting… /data/data/org.torproject.android/app_bin/tor DataDirectory /data/data/org.torproject.android/app_data --defaults-torrc /data/data/org.torproject.android/app_bin/torrc -f /data/data/org.torproject.android/app_bin/torrc.custom Waiting for control port... Reading control port config file: /data/data/org.torproject.android/app_bin/control.txt Connecting to control port: 48691 SUCCESS connected to Tor control port. SUCCESS - authenticated to control port. Starting Tor client… complete. adding control port event handler SUCCESS added control port event handler Tor started; process id=12971 Starting polipo process Polipo is running on port:8118 Polipo is running Circuit (1) LAUNCHED: NOTICE: Bootstrapped 5%: Connecting to directory server orConnStatus ($XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX): LAUNCHED Circuit (2) LAUNCHED: orConnStatus (cymrubridge02): LAUNCHED NOTICE: Bootstrapped 10%: Finishing handshake with directory server NOTICE: Bootstrapped 15%: Establishing an encrypted directory connection orConnStatus (cymrubridge02): CONNECTED Circuit (2) EXTENDED: cymrubridge02 NOTICE: Bootstrapped 20%: Asking for networkstatus consensus Circuit (2) BUILT: cymrubridge02 Error getting node details from onionoo: timeout

Any idea what is wrong?

I know I can use Orbot without bridges. But currently I am at home when there is no network restrictions (most probably not) by ISP, but when I will go to work I am 100% sure company is blocking TOR network (I know this because using Tor on Windows the only way to get to the Tor network is by using bridges).

I would really like to establish Orbot connection using bridges.

P.S. I have tried Amazon and Obfs4 bridges, but with still unsuccessful.

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  • What happens if you try to visit ajax.aspnetcdn.com in a browser? Commented Aug 4, 2017 at 19:25
  • If using Amazon bridge Orbot does not starts successfully, so check.torproject.org or any other site like ajax.aspnetcdn.com does not display anything. Actually loading of web page freezes. But if I do NOT use bridges both sites working just fine. Is there something special about thix ajax.aspnet.cdn.com web site? It is interesting to me Orbot without bridges working fine and with bridges not. If there would be censoring I would expect vice versa. Commented Aug 7, 2017 at 5:31

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I experienced the same situation on my Android phone. Orbot couldn't get connected by turning on Bridges, but could get connected without Bridges. However, the overall success rate getting orbot connected is less than 10%. What amazing is, I could always get connected with Tor Browser on my PC or Mac within 30 seconds, buy using Meek bridges.

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