tor-relays September 2013

tor-relays@lists.torproject.org

95 participants
83 discussions

Raspberry Pi / Raspbian tor 0.2.4.17-rc binary .deb packages
by Gordon Morehouse 07 Sep '13

07 Sep '13

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hello folks, I've built binary .deb packages for Raspbian, the Raspberry Pi flavor of armhf Debian built for the Pi's ARMv6 chip. You can get them here, or find instructions on how to build your own from source if you don't trust my build. https://github.com/gordon-morehouse/cipollini I haven't made any changes to the source itself - no Pi-specific optimizations - just built it on a Pi to get ARMv6 compatible executables; Debian wheezy armhf is targeted at ARMv7 and up, for those not familiar. Best, - -Gordon M. -----BEGIN PGP SIGNATURE----- iQEcBAEBCgAGBQJSKm1tAAoJED/jpRoe7/ujjO4H/RfvL2PbUV48lbzLyyD4vuxH FmQdGNSGLyI2u6E2rbugpr5Y2OUVLZDXdPmbypen5rGEgKy73vOSjaoOLLiSu3+w VhOtoKZl4NvHIXFlU+wGddK51gZneUIpiARUqBry9vjglYoMaRHvOEaHrQrUb00f ioBxCgNyP4bLESGECPwIgT5X6PaISATin9fghGTQHQ84F1Zh2Kt7aViMK2RGxJRS WJdZ/PxURHC30uaN5R+KBNgcKHoZHIYTRqAhuD0bfcJbhgEAxDAyxBHB2bSzQOsi fW8IyXLrBshsHAllJZdt6wgcDarRUsMX6G6Y7SuvvNEwG4zXSU+2RnZaWWDygfY= =qxGc -----END PGP SIGNATURE-----

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RaspPi with -enable-ec_nistp_64_gcc_128
by Harold Naparst 06 Sep '13

06 Sep '13

Yesterday, Nick Mathewson wrote: One thing that you should try is seeing whether the latest 0.2.4.x release does any better for you. In particular, I'd recommend trying the just-released 0.2.4.16-rc, with openssl 1.0.1e, and make sure that openssl 1.0.1e was built with the -enable-ec_nistp_64_gcc_128 option if possible. (I see you're already using 1.0.1e, but it doesn't appear to have been built with that option.) When I try to build openssl with this option on my Raspian system, I get *ecp_nistp224.c:43:3: error: unknown type name ‘__uint128_t’ * It would be helpful for me to get some guidance from someone who has done this on Raspbian. Regards, Harold

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how to start remote VPS gui
by I 06 Sep '13

06 Sep '13

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Patch
by Niels Hesse 04 Sep '13

04 Sep '13

Hello. Please excuse my ignorance. I saw the mention of a patch in the recent tor blog post. https://blog.torproject.org/blog/tor-weekly-news-%E2%80%94-september-4th-20… How does one apply that? Thanks in advance.

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MaxAdvertisedBandwidth, MaxOnionQueue and so on
by Thomas Themel 04 Sep '13

04 Sep '13

Hi, currently trying to set up a bog standard relay node that's supposed to generate about 20TB/month of outgoing traffic. I've thus set RelayBandwidthRate 7500 KB RelayBandwidthBurst 20000 KB but keep getting tons of these Your computer is too slow to handle this many circuit creation requests! Please consider using the MaxAdvertisedBandwidth config option or choosing a more restricted exit policy. Questions: - Is this log message still accurate? I've seen from e.g. ticket 9005 that apparently circuit creation is anyway already handled in parallel, and my machine is definitely not constantly overloaded on all 8 threads. - The node also crashes far too often, i.e. multiple times a week. Annoyingly, I can't seem to get core dumps for these crashes even though I've verified that the core ulimit is set to unlimited, but still the crashes themselves or a kill -SEGV $TORPID do not give me core files. Any ideas? I've also verified that the cwd is /var/lib/tor and that /var/lib/tor is writable :( - I've also set MaxOnionQueue 250, but that didn't change much. Any other suggestions? ciao, -- [*Thomas Themel*] I just want an EDitor!! Not a "viitor". Not a "emacsitor". [Albulastrasse 52] Those aren't even WORDS!!!! ED! ED! ED IS THE STANDARD!!! [ CH-8048 Zürich ] [*+41 78 9070988*] Paul J. LoPresti in <1991Jul11.031731.9260(a)athena.mit.edu>

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obfsbridge operators: git master enables client statistics!
by George Kadianakis 04 Sep '13

04 Sep '13

Greetings obfsbridge operators, tl;dr, you might want to upgrade your tor to the latest git master. Trac tickets #4773 and #5040 have been merged to tor's git repository. This means that if you run the current git master, your obfsbridge will produce interesting statistics. Specifically, your bridge will count the number of its unique users like normal bridges do (but because of some complications it was not so easy for obfsbridges). It will also count the number of users per transport. Your bridge will then send these statistics to the bridge authority, and they will be published in metrics.torproject.org so that we can easily track the deployment of pluggable transports. You can experience the stats yourself by peaking at $DataDirectory/stats/bridge-stats. BTW, make sure that you are using the latest obfsproxy written in Python, and not the obsolete obfsproxy written in C. Cheers!

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Status of UserspaceIOCPBuffers ??
by Gordon Morehouse 03 Sep '13

03 Sep '13

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 So in the documentation: UserspaceIOCPBuffers 0|1 If IOCP is enabled (see DisableIOCP above), setting this option to 1 will tell Tor to disable kernel-space TCP buffers, in order to avoid needless copy operations and try not to run out of non-paged RAM. This feature is experimental; don’t use it yet unless you’re eager to help tracking down bugs. (Default: 0) Is this description still accurate, or is it better debugged nowadays? Would this be useful to set on machines with limited memory resources, e.g. the Raspberry Pi? Thanks much for any insight. - -Gordon M. -----BEGIN PGP SIGNATURE----- iQEcBAEBCgAGBQJSJMrDAAoJED/jpRoe7/ujZX8IALXnFOs6WEQsud4UChnjdDRC Cor6LScDdXjGBvRDodMxyrF6lX50SwIaBR+zu4I4Hw2ekit8UZdBdZafWSjQgq5W KdMW1XruYBEIN2OcWSjSoZ1K2DzuOr1O77JwBhCuRcJtqqIP5yfD2TcF6AmuxHWk 82is5XCppem1b3CVobduKIVvbC6vUu+3fau5jkwrRv0xVQGTEtSWRY9TDFP5hoxB cZN+N2yYAm0pZ9+X1fFOHteKOx9r8ENsHfSCeZfKJXbbeRmklxVnZ1k3AgU2BiET L2tVs/piMOkhOd/hGX59bRk/IyvxArmXxd5+Vq9ejLZa7nmKMuOfZYbKdGo+zlE= =b1Os -----END PGP SIGNATURE-----

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Re: [tor-relays] Someone is trying to overrun the Network
by tor＠t-3.net 03 Sep '13

03 Sep '13

Here is what Top on our Tor relay is doing today: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME COMMAND 1163 _tor 20 0 628m 286m 34m R 106.3 15.3 4693:47 tor Logs filled with: Sep 03 04:12:20.000 [warn] Your computer is too slow to handle this many circuit creation requests! Please consider using the MaxAdvertisedBandwidth config option or choosing a more restricted exit policy. [5700 similar message(s) suppressed in last 60 seconds]

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onionoo
by eliaz 03 Sep '13

03 Sep '13

Been having a devil fo a time keeping my bridge up this week. One question: With the bridge up & running, & the map showing it connecting to circuits, why is onionoo reporting "running":false, ? Should I worry about this discrepancy? Thanks, eliaz

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Analysis of log file
by Carsten Larsen 02 Sep '13

02 Sep '13

Hi tor-relay list, I have been running a tor node for 133 days and Im starting to receive some weird messages in the log file. One of them look like this: Received http status code 504 ("Gateway Time-out") from server '154.35.32.5:80' while fetching "/tor/server/d/9169637E422C216BECD05C6CFE3AE..... I also have another one which appear regular: [warn] {NET} Failing because we have 991 connections already. Please raise your ulimit -n. First question is: any ideas how to get ride of these messages ? Second: Would it be possible to submit a log file for further analysis, and to whom should I send it ? The node is running on ARM debian box. I can of cause provide details if it necessary. Best regards Carsten Larsen Fingerprint: E1EE4FB010F28E55B7ACA2D046AB89F3B413F2A3

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tor-relays September 2013