[tor-talk] obfsproxy failure: obfs3

lee colleton lee at colleton.net
Thu Aug 15 17:14:36 UTC 2013


-tor-relay
+tor-relays


On Thu, Aug 15, 2013 at 10:13 AM, lee colleton <lee at colleton.net> wrote:

> All of the ports respond on the external IP except for 443 but I can
> connect via SSL on 9001. I don't understand how ORListenAddress is
> supposed to work: my bridge times out on 443 but when I comment out the ORListenAddress
> line it doesn't connect via obfsproxy at all.
>
> Please advise.
>
>
> On Thu, Aug 15, 2013 at 1:47 AM, lee colleton <lee at colleton.net> wrote:
>
>> With the ORListenAddress line uncommented, a slightly different failure
>> results:
>>
>> Orbot is starting…
>> Orbot is starting…
>> got tor proc id: 28490
>> Tor process id=28490
>>
>> Connecting to control port: 9051
>> SUCCESS connected to control port
>> SUCCESS authenticated to control port
>> Starting Tor client… complete.
>> adding control port event handler
>> SUCCESS added control port event handler
>> Starting privoxy process
>> /data/data/org.torproject.android/app_bin/privoxy
>> /data/data/org.torproject.android/app_bin/privoxy.config &
>> NOTICE: Heartbeat: Tor's uptime is 0:00 hours, with 0 circuits open. I've
>> sent 0 kB and received 0 kB.
>> Privoxy is running on port:8118
>> Privoxy process id=28508
>>
>> Network connectivity is good. Waking Tor up...
>> Circuit (1) LAUNCHED:
>> NOTICE: Bootstrapped 5%: Connecting to directory server.
>> orConnStatus (173.255.119.202:443): LAUNCHED
>> NOTICE: Bootstrapped 10%: Finishing handshake with directory server.
>> Circuit (1) FAILED: ONEHOP_TUNNEL > IS_INTERNAL > NEED_CAPACITY
>> NOTICE: Your application (using socks4a to port 443) instructed Tor to
>> take care of the DNS resolution itself if necessary. This is good.
>> NOTICE: Your application (using socks4a to port 80) instructed Tor to
>> take care of the DNS resolution itself if necessary. This is good.
>> NOTICE: Your application (using socks4a to port 443) instructed Tor to
>> take care of the DNS resolution itself if necessary. This is good.
>> NOTICE: Your application (using socks4a to port 80) instructed Tor to
>> take care of the DNS resolution itself if necessary. This is good.
>> NOTICE: Your application (using socks4a to port 443) instructed Tor to
>> take care of the DNS resolution itself if necessary. This is good.
>> NOTICE: Your application (using socks4a to port 80) instructed Tor to
>> take care of the DNS resolution itself if necessary. This is good.
>> NOTICE: Your application (using socks4a to port 443) instructed Tor to
>> take care of the DNS resolution itself if necessary. This is good.
>> NOTICE: Tried for 120 seconds to get a connection to [scrubbed]:443.
>> Giving up. (waiting for circuit)
>> NOTICE: Your application (using socks4a to port 443) instructed Tor to
>> take care of the DNS resolution itself if necessary. This is good.
>>
>> On Aug 15, 2013 1:41 AM, "lee colleton" <lee at colleton.net> wrote:
>>
>>> When I attempt to connect to this bridge, I see a failure in handshaking:
>>>
>>> Orbot is starting…
>>> Orbot is starting…
>>> got tor proc id: 27365
>>> Tor process id=27365
>>> Connecting to control port: 9051
>>> SUCCESS connected to control port
>>> SUCCESS authenticated to control port
>>> Starting Tor client… complete.
>>> adding control port event handler
>>> SUCCESS added control port event handler
>>> Starting privoxy process
>>> /data/data/org.torproject.android/app_bin/privoxy
>>> /data/data/org.torproject.android/app_bin/privoxy.config &
>>> NOTICE: Heartbeat: Tor's uptime is 0:00 hours, with 0 circuits open.
>>> I've sent 0 kB and received 0 kB.
>>> Privoxy is running on port:8118
>>> Privoxy process id=27393
>>> Network connectivity is good. Waking Tor up...
>>> Circuit (1) LAUNCHED:
>>> NOTICE: Bootstrapped 5%: Connecting to directory server.
>>> orConnStatus (173.255.119.202:443): LAUNCHED
>>> NOTICE: Bootstrapped 10%: Finishing handshake with directory server.
>>> NOTICE: We weren't able to find support for all of the TLS ciphersuites
>>> that we wanted to advertise. This won't hurt security, but it might make
>>> your Tor (if run as a client) more easy for censors to block.
>>> NOTICE: To correct this, use a more recent OpenSSL, built without
>>> disabling any secure ciphers or features.
>>> Circuit (1) FAILED: ONEHOP_TUNNEL > IS_INTERNAL > NEED_CAPACITY
>>> orConnStatus (173.255.119.202:443): FAILED
>>> WARN: Problem bootstrapping. Stuck at 10%: Finishing handshake with
>>> directory server. (DONE; DONE; count 1; recommendation warn)
>>> WARN: 1 connections have failed:
>>> WARN:  1 connections died in state handshaking (TLS) with SSL state
>>> SSLv2/v3 read server hello A in HANDSHAKE
>>> NOTICE: Your application (using socks4a to port 80) instructed Tor to
>>> take care of the DNS resolution itself if necessary. This is good.
>>> NOTICE: Your application (using socks4a to port 443) instructed Tor to
>>> take care of the DNS resolution itself if necessary. This is good.
>>> NOTICE: Your application (using socks4a to port 80) instructed Tor to
>>> take care of the DNS resolution itself if necessary. This is good.
>>>  On Aug 15, 2013 12:31 AM, "lee colleton" <lee at colleton.net> wrote:
>>>
>>>> When I comment out the ORListenAddress line things look OK.
>>>>
>>>> # Listen on a port other than the one advertised in ORPort (that is,
>>>> # advertise 443 but bind to 9001).
>>>> #ORListenAddress 0.0.0.0:9001
>>>>
>>>> Aug 15 06:52:50.000 [notice] Tor 0.2.4.16-rc (git-dcf6b6d7dda9ffbd) opening log file.
>>>> Aug 15 06:52:50.000 [notice] We were built to run on a 64-bit CPU, with OpenSSL 1.0.1 or later, but with a version of OpenSSL that apparently lacks accelerated support for the NIST P-224 and P-256 groups. Building openssl with such support (using the enable-ec_nistp_64_gcc_128 option when configuring it) would make ECDH much faster.
>>>> Aug 15 06:52:50.000 [notice] Your Tor server's identity key fingerprint is 'gcedemo 08C752E8E86EB5916574A8625030B0EC204EABB8'
>>>> Aug 15 06:52:50.000 [notice] Configured hibernation.  This interval began at 2013-08-15 00:00:00; the scheduled wake-up time was 2013-08-15 00:00:00; we expect to exhaust our quota for this interval around 2013-08-16 00:00:00; the next interval begins at 2013-08-16 00:00:00 (all times local)
>>>> Aug 15 06:52:50.000 [notice] Parsing GEOIP IPv4 file /usr/share/tor/geoip.
>>>> Aug 15 06:52:50.000 [notice] Parsing GEOIP IPv6 file /usr/share/tor/geoip6.
>>>> Aug 15 06:52:50.000 [notice] Configured to measure statistics. Look for the *-stats files that will first be written to the data directory in 24 hours from now.
>>>> Aug 15 06:52:51.000 [notice] We now have enough directory information to build circuits.
>>>> Aug 15 06:52:51.000 [notice] Bootstrapped 80%: Connecting to the Tor network.
>>>> Aug 15 06:52:52.000 [notice] Bootstrapped 85%: Finishing handshake with first hop.
>>>> Aug 15 06:52:53.000 [notice] Guessed our IP address as 173.255.119.202 (source: 38.229.70.33).
>>>> Aug 15 06:52:53.000 [notice] Bootstrapped 90%: Establishing a Tor circuit.
>>>> Aug 15 06:52:53.000 [notice] Registered server transport 'obfs3' at '0.0.0.0:40872'
>>>> Aug 15 06:52:53.000 [notice] Registered server transport 'obfs2' at '0.0.0.0:52176'
>>>> Aug 15 06:52:55.000 [notice] Tor has successfully opened a circuit. Looks like client functionality is working.
>>>> Aug 15 06:52:55.000 [notice] Bootstrapped 100%: Done.
>>>> Aug 15 06:52:55.000 [notice] Now checking whether ORPort 173.255.119.202:443 is reachable... (this may take up to 20 minutes -- look for log messages indicating success)
>>>> Aug 15 06:53:04.000 [notice] New control connection opened.
>>>> Aug 15 07:10:11.000 [notice] Self-testing indicates your ORPort is reachable from the outside. Excellent. Publishing server descriptor.
>>>>
>>>>
>>>>
>>>> On Wed, Aug 14, 2013 at 9:53 PM, lee colleton <lee at colleton.net> wrote:
>>>>
>>>>> Yes, I've opened the ports in the Google Compute Engine (see below).
>>>>> I'll follow up on their forum to make sure I've altered the firewall
>>>>> properly.
>>>>>
>>>>> --lee
>>>>>
>>>>> lee at li388-156:~$ gcutil --service_version="v1beta15" --project="colleton.net:tor-cloud" listfirewalls
>>>>> +------------------------+---------------------------------------+---------+------------+-------------+-------------+
>>>>> |          name          |              description              | network | source-ips | source-tags | target-tags |
>>>>> +------------------------+---------------------------------------+---------+------------+-------------+-------------+
>>>>> | default-allow-internal | Internal traffic from default allowed | default | 10.0.0.0/8 |             |             |
>>>>> | default-ssh            | SSH allowed from anywhere             | default | 0.0.0.0/0  |             |             |
>>>>> | tor-obfsproxy          |                                       | default | 0.0.0.0/0  |             | obfsproxy   |
>>>>> +------------------------+---------------------------------------+---------+------------+-------------+-------------+
>>>>> lee at li388-156:~$ gcutil --service_version="v1beta15" --project="colleton.net:tor-cloud" getfirewall tor-obfsproxy
>>>>> +---------------+-------------------------------+
>>>>> |   property    |             value             |
>>>>> +---------------+-------------------------------+
>>>>> | name          | tor-obfsproxy                 |
>>>>> | description   |                               |
>>>>> | creation-time | 2013-08-07T18:37:35.986-07:00 |
>>>>> | network       | default                       |
>>>>> | source-ips    | 0.0.0.0/0                     |
>>>>> | source-tags   |                               |
>>>>> | target-tags   | obfsproxy                     |
>>>>> | allowed       | tcp: 443, 9001, 40872, 52176  |
>>>>> +---------------+-------------------------------+
>>>>> lee at li388-156:~$
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Aug 14, 2013 at 9:19 PM, Roger Dingledine <arma at mit.edu>wrote:
>>>>>
>>>>>> On Wed, Aug 14, 2013 at 09:08:03AM -0700, lee colleton wrote:
>>>>>> > There's a more serious issue in that my server doesn't appear to be
>>>>>> > reachable. I've opened tcp:443,9001 along with the two
>>>>>> specifiedobfsproxy
>>>>>> > ports
>>>>>> >
>>>>>> > Aug 14 15:26:58.000 [notice] Bootstrapped 100%: Done.
>>>>>> > Aug 14 15:26:58.000 [notice] Now checking whether ORPort
>>>>>> > 173.255.119.202:443 is reachable... (this may take up to 20
>>>>>> minutes --
>>>>>> > look for log messages indicating success)
>>>>>> > Aug 14 15:28:00.000 [notice] New control connection opened.
>>>>>> > Aug 14 15:46:56.000 [warn] Your server (173.255.119.202:443) has
>>>>>> not
>>>>>> > managed to confirm that its ORPort is reachable. Please check your
>>>>>> > firewalls, ports, address, /etc/hosts file, etc.
>>>>>>
>>>>>> Well, that's because it's unreachable. (I just tried.)
>>>>>>
>>>>>> Can you try following the suggestion in the log message?
>>>>>>
>>>>>> --Roger
>>>>>>
>>>>>> --
>>>>>> tor-talk mailing list - tor-talk at lists.torproject.org
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>>>>>> https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-talk
>>>>>>
>>>>>
>>>>>
>>>>
>


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