tor-relays March 2013

tor-relays@lists.torproject.org

25 participants
14 discussions

ORPort NoListen
by Sina Eetezadi 11 Mar '13

11 Mar '13

Hi! I want to have port 443 advertised but listen on port 9001. My router then forwards 443->9001 to the machine tor is running on. It works with this: ORport 433 ORListenAddress 0.0.0.0:9001 However I thought this is deprecated and I rather use: ORport 443 NoListen ORPort 0.0.0.0:9001 NoAdvertise The latter however does not seem to work. Arm for example still errors "binding failed" and I see no incoming connections. Is this a bug? Thanks. SE

2 4

relay exposed?
by eliaz 09 Mar '13

09 Mar '13

So, some hours ago I noticed a circuit on the network map consisting of a relay in my own country, another one 11,000 km away, and - surprise - my own bridge relay. Can this be so? I thought that bridges, though published, are anonymous. My TBB configuration seems fine, it's what I've used in previous implementations. The only difference I've written into torrc for this run is SocksPort auto. The bandwidth rates seeming way higher than should be allotted to my bridge (10485760 & 5242880, rather than the 196608 & 98304 of previous runs), I checked my bandwidth-limit setting and found that I had inadvertently chosen > 1.5 Mpbs instead of 1.5 Mpbs (but as I'd noted to myself previously, the higher setting doesn't seem to matter, except maybe to improve performance a bit). The relays_ published output is as usual (not that I'd be likely to recognize anything amiss in that report). One other thing that may be pertinent and which I've wanted to ask about for a long time is this: I occasionally for convenience run my open browser from the same vista machine on which I'm running the TBB at the same time. Is this bad practice, and could it have been the reason that the bridge nickname showed in the network map? - eli gpg: 0xE498E90D

1 0

DynDNS and TOR bridge
by Sina Eetezadi 06 Mar '13

06 Mar '13

Hi, I have a bridge running and since my ISP is changing my IP at least daily, I thought it might be a good idea to set my DynDNS in the torrc file. Is it a good idea? How do I set that? Thank you. Sina

5 8

Recommended specifications for 1Gbps exit
by Matt Joyce 05 Mar '13

05 Mar '13

I am wondering if anyone with experience in this area could advise me some on recommended specifications for a 1Gbps exit I think my latest once needs a package upgrade to handle it, currently seems stuck at around 100Mbps worth of traffic. Currently it has access to 3 v cores @1.33Ghz and 1GB of RAM and I think the latter might be becoming the limit instead now I had thought it was the CPU when it had just the one core but that alone hasn't helped. I am not entirely sure if tor is infact using the other cores though watching with top it is sitting at 100 or a fraction over like 104% or so. MaxCPU's is set in torrc to 4 as the OS sees 4 virtual cores but is capped to 300% by the hypervisor perhaps it should be set to 3 not sure if there is any benefit in setting to 4 I have limited experience with virtual servers but unfortunately a fully dedicated server for tor is financially out of my budget at the moment. Also, just to confirm while I'm aware it's very possible that the limitation could be bandwidth given it shares with the other VPS'es on the host I don't believe that was the case, I pulled a backup from there to another server of mine on a different AS and continent and it transferred at 250Mbps while tor was running at 100Mbps the entire time, so unless the contention is over the download which seems less likely for a server I think we should be able to get a good 300Mbps of exit capacity out of this possibly more. So can anyone can advise on recommended CPU, RAM have to consider budget but will try and meet them, also if there are any settings I should check in torrc?

5 9

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tor-relays March 2013