Questions tagged [relays]

Questions relating to relays, their maintenance, and operation.

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4
votes
1answer
457 views

How much bandwidth does a Tor Hidden Service have?

When I set up a hidden service with Tor, will all clients connect over the same connection between the hidden service and the first relay/router? What is the bandwidth that I can probably expect?
5
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2answers
2k views

How do I make my Tor Browser a relay?

I have the updated version of Tor, but there is no console after the Tor connection is made and the browser comes up. I would like to run a Tor relay but am unable to due to lack of Tor console. Thank ...
10
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1answer
533 views

Do all relays in a circuit encrypt data response from a server?

I know that when sending data from the Tor client to a server it is encrypted and gradually get decrypted on the way there. This question is about when the server responds. The data must be encrypted ...
0
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0answers
2k 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, ...
2
votes
1answer
277 views

Detect Tor from a LAN proxy

I have a quick question I hope has not been asked yet. Let's assume there is a network such this: there is a pc (let's call it X) which is part of a wide LAN; to connect to the internet, it must go ...
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 ...
3
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1answer
390 views

Changing in the relay selection in Tor source code

I want to change the Tor relay selection in the SOURCE CODE, I want to tell Tor to select my selected relays in each time it needs to build a circuit instead of randomly selected relays. I know that ...
3
votes
1answer
301 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 ...
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 ...
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?
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 ...
11
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3answers
205 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
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?
4
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2answers
2k views

Tor Relay reports “Port Reachability Test Failed” errors

I have been a regular user of the Tor browser bundle for quite sometime. Lately, I switched to a faster connection and I have been wondering if I should be running my own Tor-relay. I took the plunge ...
2
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1answer
160 views

Atlas and Vidalia report different information about Tor relay

While Atlas reports Nickname Bandwidth Uptime IP lavizrap 102.4 KB/s 2h 7m 24.134.58.142 (https://atlas.torproject.org/#search/lavizrap) Vidalia Network Overview reports lavizrap ...
5
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2answers
284 views

Does those ExitPolicy make my relay a Tor non-exit relay?

I just set up a non-exit relay and it seems to work. I just want to make sure that I really have a non-exit relay. In the torrc file I set the option ExitPolicy to reject *:*. Does this make a non-...
2
votes
1answer
120 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
2k 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 ...
2
votes
3answers
1k views

How to edit the torrc in “NT AUTHORITY\LocalService” account?

As the title say, how can I do it ? I has made a decision to uninstall Vidalia and use only tor.exe to run as a relay. I have tried to install Tor into the service so it is not going to disturb me. ...
4
votes
1answer
603 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, ...
3
votes
1answer
748 views

Traffic in port 9050 in a relay (denial of service attack?)

I've set up a Tor exit relay (0.2.4.17-rc, debian testing) in my VPS, and it's running well (about 20Gbs/day). But a lot of traffic (about 50%) is using port 9050 for incoming connections. It's ...
9
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1answer
142 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
976 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 ...
1
vote
1answer
133 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
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1answer
564 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 ...
7
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1answer
1k views

How can one move its relay to another server without losing anything?

Supposing one runs a server on some server and wants to move it to another. How can this be done without losing the flags (like stable, guard, named) and the progress to get a t-shirt, if certain ...
5
votes
3answers
293 views

How can I set up the most useful Tor node?

I've heard of Torservers and Noisetor. I've considered donating to them, but I want to avoid consolidating the Tor network in those two organizations, so I'd like to operate my own Tor node. (I also ...
9
votes
1answer
93 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, ...
4
votes
1answer
229 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?...
13
votes
1answer
4k 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. ...
3
votes
1answer
305 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 ...
3
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3answers
342 views

How are the exit and non-exit packets in the Tor relay system recognized?

Relay setting in Vidalia has two options for relaying: "for the Tor network" and "inside the Tor network". The options enable relaying either just inside the Tor network or additionally out of the Tor ...
5
votes
1answer
587 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 ...
28
votes
2answers
12k views

What are good explanations for relay flags?

We received an Atlas patch that adds tooltips to relay flags, so that relay operators can better understand what these flags mean. The patch author used dir-spec.txt as their guide. I wonder if ...
6
votes
1answer
299 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
2answers
521 views

How is the weighted fractional uptime of a Tor relay calculated?

How is the weighted fractional uptime of a Tor relay calculated? Arma's "The lifecycle of a new relay" post mentions this statistic but does not describe it in detail: Directory authorities assign ...
3
votes
1answer
431 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 ...
6
votes
3answers
677 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
364 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 ...
10
votes
2answers
291 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? ...
21
votes
5answers
12k views

How may I run multiple Tor relay instances in a single Linux machine?

Suppose I have a Linux machine (for example Debian) with more than one public IPs, sufficient bandwidth, memory and CPU resources. How may I run more than one Tor relay instance in that single ...
7
votes
2answers
4k 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 ...
9
votes
1answer
266 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 ...
5
votes
1answer
4k views

Does the Tor Browser Bundle cache relay information?

When I restart the Tor Browser Bundle shortly after I've closed it I have the impression that relay information load faster. So I assume that the information about running relays is cached somehow. Is ...
13
votes
4answers
930 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 ...
15
votes
2answers
1k views

Does Tor insert random delays or perform packet re-ordering to make the discovery of the communication path harder?

If an attacker can observe the Tor user, and the website being visited, it is possible to correlate the traffic by looking at time and size distributions of the communication. Techniques such as ...
17
votes
4answers
10k views

Is it possible to make the Tor onion-routing path longer?

By default, Tor uses an onion-routing path with three hops: entry, relay (middle) and exit. Is it possible to configure (or, if necessary, recompile) Tor to use more than three hops? This would lessen ...
1
vote
2answers
153 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.
14
votes
1answer
975 views

Is it safe to run an entry node server?

After some research, I found that there are mostly relay (middle) nodes, and less exit and entry nodes. But why? The connection from the client to the entry node is encrypted, so there should be no ...