Questions tagged [relays]

Questions relating to relays, their maintenance, and operation.

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3
votes
1answer
310 views

Torrent outside the Tor network

I have set up a non-exit Tor relay on my Windows 8.1 64 PC. When I use uTorrent, outside of the Tor network, but on the same pc, a lot of trackers become unreachable, not all of them though, just ...
2
votes
1answer
2k views

How can I set up the fastest network for a Tor relay?

Say I set up a server in the cloud as a relay, how can I set it up so I get maximum speed out of the network? And how fast can a Tor-relay get with optimal bandwidth/response time?
2
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2answers
44 views

Can I change settings in order to restrict Tor from accesing already used IP's of proxyes? [closed]

It is possible to change settings so Tor will not be able to connect on the IP's and Proxyes I was already connected?
10
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2answers
307 views

Would running Tor client and Tor relay simultaneously harm my anonymity?

If I run a Tor relay in a machine and at the same time I use the same instance as a Tor client, would that harm my anonymity ? Would it be better to use different Tor instances on the same machine? ...
13
votes
1answer
5k views

Why does Tor use three hops, instead of two?

With onion-routing a relay in a circuit only knows its predecessor and its successor, while a "normal" proxy is just one hop, so that it knows who connects to it and where it has to connect to. ...
4
votes
1answer
284 views

Where along the path is encryption used?

This question is born out of two questions that I saw coming up. Is the connection between my computer and the Tor network encrypted? How does Tor encrypt my traffic before it sends it to the server?...
7
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2answers
5k views

What Tor-friendly hosting providers allow anonymous accounts?

There are at least three levels to "Tor-friendly": allow clients; allow non-exit relays; allow exit relays. In any case, the provider must accept SSH connections via Tor. By "anonymous accounts", I ...
3
votes
1answer
1k views

How do I verify that a relay is working with IPv6?

After upgrading to Tor 0.2.4.19 I configured a relay to support IPv6. I was a bit surprised to see nothing regarding IPv6 in the logs at startup, but I can see that Tor is binding to the configured ...
0
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0answers
3k views

Tried for 120 seconds to get a connection to [scrubbed]:6667 (waiting for controller)

I'm running some experiments using the stem library where I change circuit paths fairly frequently. Every so often, I get a stream detached event and a Socks5Error: 'TTL Expired' in my Python script, ...
13
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1answer
2k views

Is there a list of illegal Tor areas?

I just moved to Singapore and I'm wondering if it's a good idea to use the Tor browser (without a bridge) and run a relay (not an exit node). I realize that this question could be repeated for any ...
6
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2answers
1k views

Why was my relay given the Guard flag only for it to be removed an hour+ later?

My relay 'angrykitteh' (the kitten is now quite frustrated!) was blessed and granted the flag 'Guard' by the Directory Authorities as its uptime is more than 8 days and the bandwidth is deemed ...
4
votes
1answer
619 views

Run Firefox In Tor Browser Bundle using Tor Relay Bundle

Thanks to my friends detail explanations, now I'm more interested to run a Tor client and Tor relay all the time using the Vidalia Relay Bundle just to help other people out there. But my problem is, ...
11
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3answers
209 views

Would Tor work if it became very large?

I wonder whether there would be any problems if Tor grew to serve a large portion (e.g. 5 or 30 %) of internet (web) usage? As I understand it Tor is helped by new nodes at the moment – but is there ...
9
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2answers
1k views

When does a relay get the Named flag?

A new relay of mine has been flagged as Stable and Guard, but not Named. What are the criteria for receiving the Named flag?
2
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1answer
126 views

How is relay information obtained after running Tor?

Let's assume that the NSA can't attack all Tor nodes at once, and someone using Tor is anonymous this way, but how does Tor actually download these secure Tor nodes when we open it? I mean does Tor ...
7
votes
1answer
3k views

How to calculate optimal Relay Bandwidth & Throughput

Setting up a Tor relay on a VPS/cloud is a relatively straightforward process, which is great for people who enjoy that warm-fuzzy-i'm-making-a-difference feeling we get by contributing bandwidth to ...
9
votes
1answer
145 views

Does Tor take node age into consideration when building a circuit?

I've seen this for a while, but in my experience Tor seems to select well stablished nodes (whose uptime is >60 days) but in the specifications this is not shown. It's just that the current list of ...
13
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2answers
1k views

Best way to set up a Tor lab?

What would be the best [and cheapest] way to set up a private Tor network for testing and experimentation? A rough size estimate is that it should consist of 12 or more onion-routers and should be ...
9
votes
1answer
97 views

Would relay with temporary keys live the same great as with constant keys?

I'm on Debian-like OS. Directory /var/lib/tor/keys/ contains secret_id_key and secret_onion_key RSA keys. Would my relay work the same with 5Mb/s of bandwidth if I remove these keys each reboot, ...
1
vote
1answer
158 views

Where is cookiepath of tor? [closed]

I am working on tools for change identity of tor every 3 minutes. But it require a cookie path of tor. I follow this one https://trac.torproject.org/projects/tor/ticket/4881 but didn't find its yet. ...
5
votes
1answer
581 views

Will hibernation cause my relay to lose the Guard flag?

My relay's outgoing traffic is limited, so I had to enable accounting. The limit hasn't been reached for a while now and recently my relay received the Guard flag. Will this flag be lost the next ...
13
votes
4answers
973 views

Are short-lived relays useful to the Tor network?

I have some dedicated servers which are not used at the moment. However this can change on a weekly basis. Would it be useful to the Tor network for me to configure them as relays during the times ...
4
votes
1answer
318 views

Why is the amount of incoming/outgoing traffic different on a non-exit relay?

I noticed something when letting a relay (non exit) run for a few days: The amount of traffic sent is larger than the amount received. This is confirmed by looking at the tor log and also by looking ...
5
votes
1answer
613 views

How does misconfigured time affect Tor?

Tor users and Tor relays across the world have different time zones. How does misconfigured time affects Tor operation either on client or server side? Is there a time skew margin in which Tor still ...
6
votes
3answers
741 views

Why isn't there any such option - middle-relay behind NAT?

Why is it still required have two open ports, DirPort and OrPort, for a relay? Imagine such a situation. A Tor user with unlimited network traffic and with that kind great bandwidth stay behind a NAT ...
10
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3answers
375 views

Is it secure to set the contact information when building up a Tor relay?

When I am setting up a tor relay, one option is to determine the contact information as an email address. Is it secure considering information harvesting by NSA for instance or would be better to hide ...
6
votes
1answer
305 views

What, precisely, are the criteria for determining if a relay will be flagged as a guard?

The Tor FAQ's "What are Entry Guards?" entry does not describe the process by which a relay becomes a guard. The word "flag" is not mentioned anywhere in the FAQ index. Arma's "The lifecycle of a ...
3
votes
1answer
440 views

What is the lowest bandwidth rate limit required for a normal middle relay?

Is there any technical limit for scalability by lowest bandwidth rate limit or any curve x = number of nodes, y = minimal bandwidth limit? What settings are optimal for huge amount of small middle ...
9
votes
1answer
268 views

Can you confirm that my IP address was a Tor relay a few months ago?

Let's assume I received a letter today that accuses me of downloading an illegal file, posting something inappropriate in a forum, or hacking into a system. And that happened a few months ago. But I ...
2
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0answers
138 views

Are there any good practices to keep my Tor relay's private key safe? [closed]

Assuming that I run a Tor relay on a virtual private server running linux, are there any good practices to keep my relay's private key safe? We can take for granted that software packages constantly ...
1
vote
2answers
158 views

How does Tor pass my traffic around and should I be worried about malicious relay operators? [closed]

I am not sure how does Tor work, how safe is it as I heard that some relays are ran by bad people or government agencies.
10
votes
1answer
2k views

What are the minimum requirements for running a relay?

If I want to create a bunch of Tor relays running Linux with various VPS providers and want to save on cost, what is the minimum hardware config that I can get away with while still effectively ...
20
votes
1answer
752 views

What are the implications of a Relay hosting a Hidden Service?

Are there any implications if whilst running a non-exit relay, I also use the same machine to host a Hidden Service? Specifically: How will this affect the anonymity of the Hidden Service (in terms ...

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