Questions tagged [guard-node]

A guard node is the entry node into the Tor network.

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16
votes
1answer
1k 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 ...
11
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3answers
214 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 ...
11
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2answers
1k views

How many distinct Tor circuits are possible?

Given the current relay census, and assuming a standard Tor Browser Bundle installation, approximately how many distinct Tor circuits are possible? Once entry guards have been chosen, approximately ...
9
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5answers
33k views

How to change the entry node?

When Tor changes circuit it only changes middle node and exit node, the entry node stays the same since the Tor started, so I guess the entry node is limiting the traffic if you make too much traffic,...
7
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1answer
1k views

What are the minimum amount of nodes traffic passes through?

Is there a minimum amount of nodes traffic goes through before reaching it's destination? To my understanding of Tor, every node increases the effectiveness of the encrypted communication.
6
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2answers
510 views

Can Tor nodes know their position in the circuit?

It is documented which node knows what. I'm wondering if the nodes in the circuit know their own relative position. For normal three relay paths, they certainly can infer their position: the exit ...
6
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2answers
431 views

Can somebody force my Tor circuits to always start from his “guard node”, to access my traffic?

The first node after "my browser" is always the same. I am worried to see that even when asking for "new identity" or "new circuit", it restarts always by the same IP address in France. I have no ...
5
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2answers
343 views

Tor use frequent entry nodes after each launch

After launching Tor I can see in my firewall logs there are always few IPs that i'm connecting to. Is this something normal? These are entry nodes right? But why always the same? Does Tor cache ...
5
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2answers
2k views

Is it posible to choose what entry node you want to use?

If I know of an entry node that I know the device running it is not malicious or being watched, do I have the ability to only use that as an entry point? And would this be potentially more secure than ...
5
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2answers
341 views

Does Tor encrypt a client's connection to its entry node?

Does Tor encrypt a client's connection to its entry node? How does it do this?
4
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3answers
2k views

Is it possible to know which entry node, middle node, and exit node one is using while using TBB?

Is it possible to know which entry node, middle node, and exit node one is using while using TBB online. Also, be informed as node changes or additional nodes being added online while using TBB.
4
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1answer
1k views

What are Tor Node Selection Rules?

What are the rules by which Tor Proxies select entry, exit, and middle nodes from the list of Tor nodes? Where is this implemented in the source code?
3
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3answers
2k views

Too much Not anonim Exit Nodes on the TOR Network!

Many exit nodes are not anonym. It says "Hi I'm a Proxy Or Hi I'm a Tor Exit Node on host name". Here is a test site: http://ipcim.com/hu/. Host names: TOR-EXIT.CYLAB.CMU.EDU sipb-tor.mit.edu ...
3
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3answers
848 views

How does one pick a guard position (entry node) for one's Tor relay?

I want to run a Tor server as an entry point of Tor network, so that the torstatus web page (torstatus.blutmagie.de) illustrate my server as a guard server. How do I accomplish this task?
3
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3answers
383 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 ...
3
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1answer
599 views

How to prevent a rogue Tor entry node?

The Tor system works by connecting to a Tor node. That Tor node then connects to a deeper Tor node, which connects to a deeper Tor node, which connects to an exit node. How do I know that there's no ...
3
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1answer
268 views

Which kinds of relaying Tor servers are available as “rendezvous points” and “introduction points” for hidden services?

There appears to be several kinds of nodes (Tor instances acting as servers relaying traffic for others): Clients with Relaying disabled (Included in this list only for completion, as their IPs are ...
3
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2answers
1k views

Guard Nodes: how long is too long?

I've had the same guard node for almost 4 weeks now. I know it's natural to have the same guard for a prolonged period, but a month? I use tbb every day, tbb version 6.0.7 on ubuntu 16. Would anyone ...
3
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1answer
338 views

If I run a relay on my home network should I use it as my guard node?

Started running a relay from my home network. Getting a bit of traffic now. Wondering if it would be beneficial to run my Tor connections through it. It seems to be able to mask my use of Tor. If I ...
3
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1answer
64 views

How does Tor Metrics estimate client location?

Tor Metrics provides data on client location at the country level. How is this data estimated? I assume it does so with the CollecTor data? How does one back the country out from that information? I ...
3
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2answers
158 views

Does an Entry Guard know by which clients it's being used as Entry Guard?

We're doing an assignment on net anonymity, especially about Tor. We're trying to find out where Tor users are coming from. In order to achieve this, we set up a Tor node and disabled scrambled ...
2
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2answers
520 views

Tor encryption combination

I'm trying to understand exactly how Tor builds a circuit with encryption. I've read the Tor design literature and have a pretty good grasp on it, however I'm left with the following misunderstanding. ...
2
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2answers
404 views

Entry guards and multiple Tor clients

Suppose a computer user is running multiple Tor clients: a system-wide tor instance, Tor Browser, Tor Messenger, Ricochet, etc. Given that all of these clients independently select entry guard nodes ...
2
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1answer
200 views

Using entry nodes with specific ports

Is there any way to tell the Tor daemon on my computer to only pick entry nodes with specific TCP ports? It seems like our ISP has started blocking Tor communication on its usual ports (443, 9001, etc)...
2
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1answer
551 views

Are these specs (VPS) good enough to run a Tor relay?

I want to run a bunch of Tor relays, and so plan to buy 10 $5 VPS's from a company called Beastnode. I have had an amazing experience with this company for game servers and websites in the past, so I ...
2
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2answers
67 views

View current set of guard nodes of a certain client

How can I view the currently selected guards of my Tor browser (not just the one in action, but all three, my client keeps in a list)?
2
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3answers
15k views

list of all the entry nodes

I need to know the list of all entry nodes. Is it possible to do this? I found here https://www.dan.me.uk/tornodes a list of all nodes or only exit nodes but I only need entry nodes.
2
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1answer
255 views

How can I select some specifc paths?

I want to select some specific routers as my entry relay, middle relay and exit node. I know I can edit torrc to determine entry and exit, how can I determine the middle one?
2
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0answers
56 views

How do I verify the Tor Circuit duration? [duplicate]

I'm thinking of having JavaScript code send messages to my server. How do I go about it? Is there a better way? Edit: How do I find out the exact duration for which a Tor circuit exists before ...
2
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0answers
104 views

How Tor network works [closed]

I know that while you are using Tor, the exit relay and the middle node often change. Does the guard node also change, or does it stay the same until I close and restart Tor? When I click on "New ...
1
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1answer
459 views

Why does Tor Browser sometimes choose one entry guard (most of the time), but sometimes it choose two or three entry guards?

Some days ago I opened a thread asking how many entry guards Tor Browser currently picks. I found out, with help from forum volunteers, that the current source code of the stable version of Tor (0.2.9....
1
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1answer
163 views

Why guard and exit nodes are allowed to be from same country?

If one's connection is corrupted when your guard and exit node is the same person (that can then analyze your traffic and based on that figure out your IP), why does Tor allow them to be from the same ...
1
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2answers
1k views

Currently, how many entry guards does Tor choose and for how long are they maintained?

As it is said in the Tor FAQ: "each Tor client selects a few relays at random to use as entry points, and uses only those relays for her first hop." These relays are known as "entry guards". I have ...
1
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1answer
821 views

How to use local relay with Tor Browser?

I am running a tor relay (which has the guard flag) in my LAN at an IP like 192.168.0.103. I would like to have Tor Browser use this relay as a guard/entry node so that all the tor traffic goes ...
1
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1answer
2k views

Does Tor change the Guard node (Entry node) if I connect my PC from a different IP address?

Assume that I installed Tor on my PC and used it from IP1. I then bring my PC to another location and use Tor from IP2. So will my Three Guard Nodes be changed? If not, where in the packet can I find ...
1
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1answer
80 views

how tor establishes connection on first run?

As far as I know, there are nine hardcoded directory servers in the tor program. So, is it's starting by making one of them as it's guard node and then on step two, obtain data about all other relays ...
1
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0answers
24 views

What happens in case of temporary HS guard unavailability?

In my Tor testing environment I noticed that if a HS guard node is unavailable, it is not immediately replaced by using another guard. I know that entry guards are changed after months (6-9?) but I ...
1
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0answers
47 views

Why Tor Browser connects to 3 differents guards but only use one?

I'm using wireshark to learn what is going on when I start tor. I expected to see one communication with an authoritative directory node and then a connection with the guard node, but I get something ...
1
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0answers
25 views

Currently (02/09/2019), how many entry guards does Tor choose and for how long are they maintained?

Two years ago, an identical question was done (Currently, how many entry guards does Tor choose and for how long are they maintained?). Now (02/09/2019) I ask the same, because I am seeking for an ...
1
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1answer
150 views

Increasing number of middle relays weakens the anonymity?

Tor nodes build encrypted TLS sessions between neighbors to multiplex circuits of users. Multiplexing helps to anonymize users (?). With an increasing number of middle relays multiplexing becomes ...
1
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0answers
114 views

Does restricting guard node choice negatively affect anonymity?

In response to the comment on https://blog.torproject.org/blog/tor-0306-released-new-series-stable Is old version of tor node a bottleneck in the whole tor chain (in sense of security)? Does it ...
1
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0answers
178 views

How does selecting new guard relays work?

I've been told guards are selected when a client first connects to the Tor network and used until they disappear. What constitutes disappearing? Do all guards need to disappear (and then the whole ...
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0answers
41 views

Why is it so hard to use an internal relay that has no Guard flag as Guard Relay?

I've set up a tor relay that has no Guard flag, but I want to use it as a Guard relay when I use Tor from outside. But sometimes it works and sometimes not. Why is this so hard and what can I do to ...
1
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0answers
51 views

Performance issues in single guard for hidden services

From what I can read in this recent post in the Tor blog, Hidden Services use one single guard, just as regular clients do. How does this affect the performance of hidden services? I know that since ...
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0answers
218 views

Probability for using a malicious entry-relay with and without Entry-Guards?

Im trying to figure out, what the probability for choosing a malicious entry-guard, depended on the amount of Relays and the fraction of malicious Relays, is. In the tor-faq it says for using NO ...
0
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2answers
646 views

Can I opt to be not middle relay?

I know that in a Tor circuit, there are typically 3 relays: Guard, Middle, and Exit. If I want to run a Tor relay, can I configure it so that I can only serve as Exit node, or Guard node, but not ...
0
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2answers
491 views

Entry Node exactly the same for days. 100 request to change and remains same [duplicate]

I'm worried. I connect to exact same entry node for days. Even after 100 new circuit requests, it hasn't moved. Am I being watched? How can I get TOR to connect to different first node?
0
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2answers
256 views

How to Detect Tor Usage From Old Network Traces?

As part of some computer forensics work, I have been asked to look at network traces (showing IP addresses and port numbers) from several years ago, to see if someone was using Tor. I have heard that ...
0
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1answer
109 views

would torify use the same circuit as tbb when both are in operation?

Let's say I'm using both tbb and torify at the same time. For e.g. I'm using tor to browser/look at tor.stackexchange.com. At the same time I am running torify on a different url say https://aaa.bbb....
0
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1answer
190 views

What do you make of the news that researchers had found at least 110 Tor nodes that were spying in on network traffic or were honeypots?

URLS for news www.zdnet.com/article/over-100-spying-malicious-tor-nodes-discovered/ www.scmagazineuk.com/security-researchers-discover-over-100-suspicious-tor-nodes-snooping-on-traffic/article/...