tor-relays

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Re: [tor-relays] Hardware requirements for a fast Tor relay
by failing.flyaway443＠mailer.me 10 Nov '21

10 Nov '21

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 I'm sorry that I now spam the mailing list, but I made a mistake. I'm of course NOT logging at debug level, it's just one logfile (notices.log). I logged debug when I was running the relay on the VPS because I wanted to know why it crashed all the time, but all that happened was that my 20TB SSD was maxed out within two hours and I had to reboot to get rid of the old logfiles. My bad, please don't think I write a debug log, that's completely pointless. Why would I. I rented a pretty expensive root server because I think Tor is really important and I want to relay as much traffic as possible, not to log debug messages. This was obviously not correct, but the rest of my torrc looks as described above. By the way, my relay has now around 4000 incoming and 4000 outgoing connections and a throughput of almost 1TB/day, and the load averages are still below .40. Everything looks good. :) Have a nice day, everyone! -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEElcZnZFMJSyKcTts0q6Mz3/Qy4d0FAmGLxa0ACgkQq6Mz3/Qy 4d1vJhAArWytI9hG6iGIvVzUP6lOgLMCEVfn4KBiFzq0iGqr2ex+utWIt8gek3SX Bm9McRbicgDUSzbnrHJrPzKxrpYvvtABbApyDZDSOEwgSXeaUcE2J8jhk20fOA6u tLFf7S+ON88KW8HkwNIkqSFmRifp3dZEBOapFZnBfgREwu19qxg1iyYZfJHDIMd6 4vWzI5oo2D1iFTyCDZllduqEURZNgZRfwtNk8ydfOje9X0QMkHgzy4fECCNgcYdY to+1BbYxY2lT34+1aLoRnnyA2yLykYI2ivRNx+IyD9X/QCKq+3sV+xjRvyOH39r7 Tmvg8NTNuZCiEwi9JCIJlRynrFk3HgUTbCT87iK8PGMTG6TimnBvFKUfKQMwIicD 1YrLQ30hSjTnetRbyLT0B7gd+h+CkDg6ssi0j6eKV0urP6PTipnr19OJeBZ3kZbw j+a3qipxy3mNIp9dW9d+ZBzhV+jtrDUMKUpjqHUkUEEdNH060TSMyYMBwCf7/dgH Ft8FWgTcLtX9dohx/CAHfQ+8rsa/wYEuLnXgc3AXibof9VZaTMKz5iDkhUwOnCoA 0528RNKLH+Rf4CoMOCycjqW0k1svPX9oAXoOgX0GQz/1DnocA4DEs+wVPJmr6dR+ mcHwDiKlOd5ksARl+fivmHurUE+ULzhI8l+Cdhr+Wi7NzVzuZ5U= =s8hY -----END PGP SIGNATURE-----

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Re: [tor-relays] Hardware requirements for a fast Tor relay
by failing.flyaway443＠mailer.me 09 Nov '21

09 Nov '21

I just read this research paper, maybe it's worth thinking about some kind of implementation of this approach some time in the future. It's an interesting read anyway. uwspace.uwaterloo.ca/bitstream/handle/10012/16108/Engler_Steven.pdf Regards

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Hardware requirements for a fast Tor relay
by failing.flyaway443＠mailer.me 09 Nov '21

09 Nov '21

Hi everyone, about two weeks ago, I signed up for a VPS with a cloud provider and set up a Tor relay. I installed Debian 11 Bullseye, secured it, and then set up Tor 0.4.6.8 and started the relay. The VPS had the following specs: 1vCore, 2GB RAM, 40TB traffic per month on a 1Gbit/s link. I throttled the traffic accordingly so that the monthly limit of 40TB would not be exceeded. Nevertheless, the CPU load was extreme, the server was running at full capacity and crashed several times. Since I want to help the Tor network with a fast relay I now signed up for a root server which has the following specs: Dual core CPU, 8GB ECC RAM, 2,5Gbit link, 1Gbit guaranteed, unlimited traffic. I set this thing up with Debian 11 Bullseye again and Tor 0.4.6.8. Since my bandwith gets throttled when I use more than a certain amount of traffic/month and at the same time (!) on average more than a certain amount of bandwith for more than one hour, I set the MaxBandwith to 1000Mbit/sec (equals 125MB/sec). This relay is up and running for a few days now, and I already have around 4000 incoming and outgoing connections. My bandwith is not fully used yet, but sometimes I see spikes of 20MB/s. What concerns me is that the CPU load again is sometimes 40-50% on both cores, even though this relay is not fully used yet. Can somebody tell me if it is even possible to run such a fast relay on this hardware? Should I set a more restrictive bandwith throttle myself, or go for a quad core CPU? I don't think I will ever run out of RAM this time, since I have 8GB. Thank you for your advice! All the best!

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metrics: add `IPv6 Exit Address` in addition to `Exit Address`
by s7r 09 Nov '21

09 Nov '21

Hello, Currently we have Exit Address for relays that use a different IPv4 address for `Exit` connections vs their ORPort IPv4 address. Similarly, one relay *could* listen on a certain IPv6 address ORPort but use a different IPv6 address for v6 exiting. Wouldn't it be useful to add this data too? This would tell us how many relays use one static IPv6 address for ORPort connections and temporary IPv6 addresses for exiting (using IPv6 privacy extensions). By looking at https://metrics.torproject.org/relays-ipv6.html one could assume that almost 50% of the IPv6 enabled relays (IPv6 ORPort) are exits.

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Re: [tor-relays] Max number of bridge under the same IP
by gus 09 Nov '21

09 Nov '21

On Mon, Nov 08, 2021 at 07:02:13PM +0100, ML Tor wrote: > In data 8/11/2021, *gus* ha scritto: > > Hi, > > On Mon, Nov 08, 2021 at 03:24:13PM +0100, ML Tor wrote: > > Hi, > hi made a new Proxmox server for my home network. I still run a bare metal > Tor bridge, but now i would run more bridge in my home network. > > I have a public dynamic IP: what is the max number of bridge i can run > (obviously on different ORPort) under the same IP address > > > From the Tor Relay Guide: > > "Note: You can only run two Tor relays per public IPv4 address. If you > want to run more than two relays you will need more IPv4 addresses." > https://community.torproject.org/relay/relays-requirements/ > > > Too bad, so no more than two bridge on my singe ip. > > But... > > Maybe you want to run a standalone Snowflake > proxy?https://community.torproject.org/relay/setup/snowflake/ > > > Can i run my two bridge AND one Snowflake proxy? ;-) > Yes, it's fine! :) cheers, Gus > Thanks in advance, > > > -- > ML -- The Tor Project Community Team Lead

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Max number of bridge under the same IP
by ML Tor 08 Nov '21

08 Nov '21

Hi, hi made a new Proxmox server for my home network. I still run a bare metal Tor bridge, but now i would run more bridge in my home network. I have a public dynamic IP: what is the max number of bridge i can run (obviously on different ORPort) under the same IP address Thanks in advance, -- ML

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upgrade problem
by potlatch 06 Nov '21

06 Nov '21

Wondering if my tor.list has a typo since I can't upgrade Tor 0.4.5.9. I get error: Err:1 https://deb.torproject.org/torproject.org stretch/main amd64 tor-geoipdb all 0.4.5.10-1~d9.stretch+1 server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none I have debian 9 installed. Can someone turn on the light for me? Thanks, potlatch Sent with ProtonMail Secure Email.

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known issues with deb.torproject.org repos?
by nusenu 02 Nov '21

02 Nov '21

Hi, are there known issues with the nightly master debian package builds? https://deb.torproject.org/torproject.org/dists/ and a related question: Will the stable packages remain on the 0.4.5.x LTS branch until the next LTS branch or will it at some point move to the latest stable again? (as it used to be) https://gitlab.torproject.org/tpo/core/team/-/wikis/NetworkTeam/CoreTorRele… kind regards, nusenu -- https://nusenu.github.io

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Relay MIGHTYWANG consensus issues and loss of STABLE flag
by Mighty Wang 29 Oct '21

29 Oct '21

Hello fellow operators I have one pretty large relay, MIGHTYWANG which is an IP4/6 guard, dedicated hardware running on a 1Gb line uncontended. It is usually one of the top 5 relays by consensus weight but on the morning of 14th October it lost Guard status on account of losing the stable flag. I checked logs, connectivity and server health - nothing unusual, everything is generally pretty bullet proof in and around the relay and it had been running for well over a year without a reboot - just the very occasional Tor daemon restart following upgrades but no such activity prior to the 14th. So next I checked the consensus and I see that around half of the directory authorities seem to be not assigning the stable flag. See attached screenshot showing current consensus. The peering to each of those relays seems OK from what I can see (IP4 and IP6) so any idea what gives? I've got a MIGHTYWANG sitting here twiddling it's thumbs because have the directory authorities don't want to use it. Bit of a waste. I had similar things happen a few years ago with one of my old relays; again no obvious reason, just seemed to be the a random whim of the directory authorities. I've noticed a couple of other long term relays are in a similar position - is this some time of attack, deliberate action or just Tor magic? Wang -- MIGHTYWANG 9B2BC7EFD661072AFADC533BE8DCF1C19D8C2DCC

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Tor respority can't be updated from securly on debian
by Keifer Bly 28 Oct '21

28 Oct '21

Hi, so I am trying to update tor to the newest version on my debian vps, only to receive this error: Reading package lists... Done E: The repository 'https://deb.torproject.org/torproject.org st retch Release' no longer has a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. Here is my sources.list file, ## Note, this file is written by cloud-init on first boot of a$ ## modifications made here will not survive a re-bundle. ## if you wish to make changes you can: ## a.) add 'apt_preserve_sources_list: true' to /etc/cloud/clo$ ## or do the same in user-data ## b.) add sources in /etc/apt/sources.list.d ## c.) make changes to template file /etc/cloud/templates/sour$ ### # See http://www.debian.org/releases/stable/i386/release-notes$ # for how to upgrade to newer versions of the distribution. deb http://deb.debian.org/debian buster main deb-src http://deb.debian.org/debian buster main ## Major bug fix updates produced after the final release of t$ ## distribution. deb http://security.debian.org/ buster/updates main deb-src http://security.debian.org/ buster/updates main deb http://deb.debian.org/debian buster-updates main deb-src http://deb.debian.org/debian buster-updates main ## Uncomment the following two lines to add software from the $ ## repository. ## I am wondering what needs to be added here to allow tor to update? Thank you.

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