Questions tagged [onion-routing]

Questions relating to onion routing, and onion routing protocols

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Is there a valuable difference between two OR hops and ten?

Suppose you use an Onion Proxy to connect to the onion network. Is it any safer for your traffic to travel through ten onion routers than two onion routers? I figured you need at least two onion ...
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10 votes
3 answers
7k views

Do all .onion addresses use SSL/TLS?

Do .onion sites encrypt the information going through the exit node? Because a lot of them start with HTTP and not HTTPS.
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2 votes
1 answer
92 views

What does tor proxy and tor directory stores?

Does tor proxy includes keys that it shares with all tor nodes for encryption?who stores information about all tor nodes in the route?
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3 votes
1 answer
614 views

Is it possible to have "username@site.onion" addresses and FULLY avoid DNS with email?

I'm only just starting to look into email on Tor - and so far I'm only finding either email hosts whose sites (including webmail login) are hosted on .onion addresses, or whose POP, IMAP and SMTP ...
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2 votes
1 answer
5k views

Tor can't connect to localhost hidden service

So I just downloaded Tor and I'm trying to set up a hidden service. Not going so well. I'm using Savant web server, and can open up 'localhost' on Chrome, but I put: HiddenServiceDir C:\Users\Sellar\...
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9 votes
2 answers
5k views

Why does Tor publish IP addresses of exit nodes?

I am new to Tor and currently trying to understand the architecture of onion routing. However, I came across this TorDNSEL which makes it possible (for a tool using TorDNSEL) to detect whether ...
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4 votes
3 answers
115 views

Multiple adversaries able to deploy large numbers of relays; do they dilute each other's effectiveness?

I note that when researchers analyse some particular types of attacks on Tor security, they assume a SINGLE adversary who is capable of deploying a significant number of relays that will eventually be ...
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1 vote
2 answers
407 views

Could you, please, tell if I could use Tor in this specific case?

could you, please, help me? I used to use Tor all the time for visiting http://www.AirBnb.com - if felt much more safe that way because of all credit card payments for my bookings. But now AirBnB ...
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  • 11
9 votes
1 answer
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Can intermediary nodes learn the length of a circuit?

This should be impossible because of the layered encryption, but some documentation suggests that this can somehow be done. From Section 5.6 [1] of tor's specification When speaking v2 of the link ...
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1 vote
1 answer
37 views

Visiblity of data in my network (Encrypted Tunnels)

My question is whether data about my addressed websites and me are visible/unencrypted within my network. E.g. I want to access 'https://ixquick.com/' using the Tor browser. Is the request for ixquick ...
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8 votes
6 answers
1k views

Releasing a controversial movie torrent using Tor Network for security

I live in a dictatorship and use the Tor Network to get around censorship. I read that Torrenting over Tor Network is not good because of high Internet usage and it slows everything down. For a short ...
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11 votes
4 answers
74k views

What are the best Tor2Web anonymous gateways?

What are the best Tor2Web anonymous gateways to make Hidden Web-Services available on clearnet/standard Internet?
20 votes
3 answers
79k views

Where I can find, export or download the biggest list of all .onion addresses?

Where or how I can find, export or download the biggest list of all hidden service .onion addresses?
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2 votes
2 answers
1k views

What is the format of .onion pseudo domain addresses?

What is the format of .onion pseudo-top-level domain addresses?
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  • 1,115
6 votes
4 answers
15k views

It is possible to find a Tor page based on the 512-bit hash?

On the internet there is unsolved mystery of 3301/Cicada where decrypted text says: "AN END. WITHIN THE DEEP WEB TH ERE EXISTS A PAGE THAT HA SHES TO: 36367763ab73783c7af284446c ...
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5 votes
4 answers
5k views

Can People Scan a .onion Address For Hidden Services?

If I wanted to make a few services (like a website and imap) only available via a .onion address, can someone scan the .onion address to see all the open services that point to it? If I don't want ...
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  • 51
2 votes
1 answer
660 views

I can't reach my own site through Tor

I'm having trouble to reach my home server through Tor: I have the Tor browser bundle and can reach all sites I normally visit. I also am able to reach my site while not proxying my traffic through ...
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9 votes
2 answers
1k views

Can you make Tor change servers every time I refresh a page?

I'm trying to build a bot but I need it that Tor will change servers every time I refresh the page. I could also use one if I get to manually change it using a command line. Any suggestions?
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2 votes
1 answer
2k views

Configuring Tor browser to exclude exits with "tor" in hostname

Does anyone know if it's possible to configure Tor Browser to exclude circuits with exit relays whose hostnames contain "tor"? For example, these exit relays are unwanted: Host Name: arachnidefr94....
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3 votes
2 answers
2k views

What are advantages and disadvantages of Tor with respect to JonDonym?

Objectively, what are the advantages and disadvantages of Tor with respect to JonDonym (formerly known as JAP) in the sense of security and anonymity?
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2 votes
0 answers
2k views

Setting up Tor relay and port reachability test failed error message [closed]

Greeting earthlings, I am attempting to set up Tor relay and the only issue I am encountering is a message stating that Server Port Reachability test failed and directory port reachability test ...
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2 votes
1 answer
732 views

What are good Tor resources?

There is some documentation at Tor projects on how to use Tor such as https://www.torproject.org/download/download-easy.html.en#warning However, if one would like to be very good at using Tor/...
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3 votes
0 answers
4k views

Не открываются *.onion сайты (Could not open *.onion sites) [closed]

Translation attempt: I installed the Vidalia bundle (Vidalia, Tor, Polipo) and am not able to load onion sites (hidden services). Why is that?
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1 vote
1 answer
82 views

For filtering connections to Tor with ipset, do I need to set the protocol to tcp?

I wrote a little tool to generate an ipset of all Tor nodes in order to filter connections (eg. relay all non Tor traffic through Tor). In the ipset restore file, do I need to specify a protocol or ...
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0 votes
1 answer
309 views

Is there any relation betwwen Tor and Distributed/Parallel processing?

Hi i am a software engineering student and in my parallel processisng class, i had to choose between a number of subjects to do a study on, i picked up Tor and i found a lot of material about it, but ...
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1 vote
1 answer
403 views

Which provides better security/anonimity: .onion or https?

Some websites have clearnet https and .onion versions, but not both. What are the pros and cons of using each option (assuming they are both accessed over Tor it is important that the data not be read ...
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5 votes
1 answer
1k views

Security advantages of Tor over I2P

What are security advantages of tor over I2P?
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1 vote
1 answer
1k views

iptables rules redirect traffic to hidden service

I'm looking to setup iptables rules that redirects traffic (in this case, smtp traffic) to a hidden service on a different server. I've done this before with an OpenVPN connection, but now I want to ...
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1 vote
0 answers
2k views

unable to access any. onion sites [closed]

I've been unable to connect to any .onion sites for 5 days. I get onto tor okay and able to use Duck Duck Go but just can't access any .onion URLS. I've tried it on 4 different devices and two ...
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14 votes
1 answer
4k views

How are domain names created in the Tor network? [duplicate]

I wonder how the .onion domain names can be created? I mean, I don't assume that there is any central domain name provider. So how and where are those addresses created?
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2 votes
1 answer
3k views

How to configure proxy setting in Pluggable Transport Bundle?

I have tried multiple times to set a proxy for the Pluggable Transports Tor Browser Bundle but never succeeded. I attempted to set the proxy in Vidalia as HTTP/HTTPS proxy. I have also tried SOCKS5 ...
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2 votes
1 answer
4k views

Differences between working of Tor and onion routing

I am learning about Tor and Onion routing and I'm trying to compare both services. From the wiki link, I can see that Diffie Hellman (DH) handshake is used and when look into the “tor-design.pdf” for ...
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7 votes
1 answer
155 views

Is there any possibility that exit node in one of our sessions will be our own relay?

If we chose to become an exit node at the same time while routing our connections through Tor, is there a possibility that our own exit node is going to be the exit node that we just set up? (As a ...
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6 votes
2 answers
1k views

What is the reasoning behind keeping hidden service onion RSA keys at 1024 length?

Is the cost to performance of using larger key length not cost effective? How would it negatively impact anyone if some hosts decided to use a larger key length (i.e. Why isn't anyone free to manually ...
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  • 361
3 votes
1 answer
215 views

When talking about a hidden service, what does it mean to have an encrypted descriptor? [closed]

What is an "encrypted descriptor?" What are the pros and cons of using one? In what version of Tor did they first become available? Are they automatically used (i.e. default)? If not, how do you ...
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3 votes
1 answer
313 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 ...
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  • 361
5 votes
1 answer
319 views

Is a hidden service's onion address shared with any third parties while hosted?

If I run a hidden service would my onion address get published or become available to anyone without me telling them the actual address? Or, if not, when would my onion address' existence become ...
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  • 361
77 votes
1 answer
39k views

How do onion addresses exactly work?

I understand that the .onion address is a public key of sorts, but not much more than that (I can vaguely guess, though). When nobody knows the IP of the .onion address, how do requests reach it? Are ...
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1 vote
1 answer
2k views

'Sorry. You are not using Tor' - Strange issue 72.52.91.18/19

ADD: ^^^ mmm I don't think it's the same. In that question they talk about a false negative, but judging from the results of my port-scan, and considering that more than 2 weeks passed, it looks ...
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6 votes
1 answer
593 views

What is the best way to reset a .onion address?

I have no particular interest in finding a specific, non-random URL (How do Hidden Services get .onion domains that aren't random?), but would like to reset an onion address for a given hidden ...
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  • 365
2 votes
1 answer
7k views

VPN versus Bridges

What are the advantages of running Tor after a VPN as compared to using an Obfsproxy bridge? For example, assuming the goal is to prevent an eavesdropper on the local end from noticing Tor usage, it ...
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7 votes
3 answers
4k views

Where is the Tor API documentation?

I want to have a program I'm writing interact with the Internet exclusively through Tor. After perusing the Tor project's documentation it appears that they do not specify the API anywhere i.e. how a ...
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3 votes
1 answer
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How many Tor-like networks are around?

I'm about an idea, onion routing. Are there a secret or governments or a half-secret projects with similar technology? For example, DARPA-BAA-10-69 is a project called "SAFER" (May 20, 2010). The ...
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16 votes
1 answer
6k 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. ...
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15 votes
3 answers
10k views

Is running Tor over Tor dangerous?

I've read somewhere that running Tor over another Tor connection is not only non-productive but actually dangerous? For example: say I were running TBB on my machine and was running Whonix in 2 VMs ...
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  • 1,473
5 votes
4 answers
9k views

Is there any bridge beetwen Tor and Freenet? Is there way to bridge Freenet site like a Tor hidden service?

Is there any bridge beetwen Tor and Freenet? Is there a way to bridge Freenet site like a Tor hidden service ( onion domain )? E.g. setting up site in Freenet network means, that this site splitted ...
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2 votes
1 answer
2k views

How does onion routing work? [duplicate]

How does onion routing work? How would it be explained to someone who has a basic understanding of networking?
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17 votes
2 answers
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 ...
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18 votes
4 answers
13k 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 ...
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14 votes
3 answers
1k views

Are there any vulnerabilities in the process of onion routing?

In onion routing, messages are repeatedly encrypted and then sent through several network nodes called onion routers. Each onion router removes a layer of encryption to uncover routing instructions, ...
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