Tor (short for The onion router) is a system intended to enable online anonymity. Tor client software routes Internet traffic through a worldwide volunteer network of servers in order to conceal a user's location or usage from anyone conducting network surveillance or traffic analysis.

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How do overlay network nodes communicate without IP addresses? [migrated]

I've been reading about how Tor and I2P use cryptographic addresses to send messages to other nodes, but how does this work? I looked through the documentation for each and neither is very clear on ...
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1answer
39 views

Tor website HPKP (key pinning) failure

I'm currently facing a key pinning error when trying to access the torproject.org website with Firefox. Is anyone facing the same problem? Does anyone know if they changed their certificate? If not, ...
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1answer
375 views

proxychains + dnscrypt + tor

I'm currently working in Kali and I'm trying to boost my security and anonymity online. Please, bear with me for I am no expert yet. Googling and searching here has yielded useful info but not enough ...
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77 views

How 'private' is my setup?

I'm currently running QubesOS (so essentially a virtualized Fedora operating system), which I use to access an offshore VPS through I2P (using garliccat). I then route all my traffic through the VPS ...
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4answers
7k views

Differences between using Tor browser and VPN

I can't quite figure out the differences between using the Tor browser and using a VPN (like concretely proXPN). From what I understand the idea is the same, that they both hide the IP address. The ...
4
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1answer
130 views

Decrypting TOR traffic?

Is there any way to decrypt tor traffic from an exit node or relay? I know it's possible to analyze the traffic using something like tcpflow or tcpdump, but it comes back as encrypted giberish. Is ...
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0answers
62 views

Is this a security flaw in tor? [duplicate]

I realize this question more belongs on the tor exchange (and i have indeed posted it there) so if you want to vote to close this question I completely understand. But I have noticed that this site it ...
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2answers
92 views

Online anonymity for a journalist in a dangerous country [closed]

I am a journalist in a corrupt country. I am concerned that my online usage will allow my antagonists to track me down, and it wouldn't end very good. I am aware that I may use TOR and VPNs, and ...
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0answers
34 views

Theoretical VPN and Tor Encryption Chain

Okay, so I've been looking around at the benefits of using tor to access you vpn and vice versa. Here's what I've come up with: VPN -> Tor Pros: Hides Tor usages from isp Hides your activities ...
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5answers
8k views

Is a Tor router really safer than a proxy?

If I use a Tor router to browse the regular internet that it has to leave the Tor network through an exit node. Apparently the exit node has all the information from the original user it came from on ...
3
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4answers
196 views

In a monitored network, can the admins tell if Tor is being used?

I'm not asking if Tor is secure, I'm asking if an observer can know you are using Tor? For example if a persons ISP or company network monitors traffic would they be able to determine with certainty ...
4
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1answer
54 views

TOR makes multiple connections - why?

When using TOR, I issued this in terminal sudo netstat -punta | grep 443. Output was tcp 0 0 x.x.x.x:y a.a.a.a:443 ESTABLISHED 5769/tor tcp 0 0 x.x.x.x:y ...
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2answers
111 views

Solution to remain anonymous on a website that dismiss tor users?

I want to access to a website who recognize tor users and dismiss them. I have read that if you connect to a proxy after your tor exit node, the website wouldn't know that you are a tor user and ...
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0answers
16 views

Whonix Signature verification failure

I've downloaded Whonix images and I have successfully imported the signing key (https://www.whonix.org/wiki/Whonix_Signing_Key). I have also established trust for the said key and verified that by ...
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2answers
45 views

Can Tor pre-built binaries be different than if someone builds from source? [closed]

Is there a possibility (and how likely is it) that the pre-built binaries of Tor that most of us use are backdoored or altered in some way, unlike the source code?
3
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1answer
268 views

Multiple gateways (Whonix with Tails)?

I've been reading Whonix's documentation and threads here to be more anonymous and secure. For the best anonymity Whonix recommends having two different computers, one being the gateway and the other ...
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0answers
13 views

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

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 ...
2
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1answer
85 views

Are darknets in the internet like Tor and i2p similar to darknets implemented for security like the CAIDA network telescope.?

I am planning to implement a darknet in an organizational network to work alongside SNORT to detect malicious scanning activities in the network like the CAIDA network telescope/Internet Motion ...
8
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4answers
7k views

How is Tor secure?

If Tor is open source and thus its process of concealing your IP is known, then how does it keep anything secure? Couldn't someone look at the source code and figure out how to reverse the routing ...
2
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1answer
115 views

What is the best setup to keep my email private from both attackers and government agencies?

I am attempting to setup a secure and private email account for my company. we currently use gmail which actually requests the emails from a hosting service provider that is configured with our ...
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0answers
50 views

Setting the exit node of a tor relay by country [closed]

I'm having some trouble in setting the country of the tor exit nodes. Following this link, by adding the bellow entries to the ./Data/torrc ExitNodes {ru} StrictNodes 1 an exit node from the ...
77
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6answers
13k views

How much can I trust Tor?

How much can I depend on Tor for anonymity? Is it completely secure? My usage is limited to accessing Twitter and Wordpress. I am a political activist from India and I do not enjoy the freedom of ...
2
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2answers
297 views

In theory, can a restricted-use ToR network be created with “Verifiable Encryption”? How should I approach learning it?

I have mobile devices (low power, low bandwidth) need to act as a proxy for certain types of P2P encrypted data, such as voting, bitcoin payment, or other specific-purpose usage, and I want to make ...
46
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2answers
11k views

Best practices for Tor use, in light of released NSA slides

It has been known in the security community that a tool as versatile as Tor is likely the target of intense interest from intelligence agencies. While the FBI has admitted responsibility for a Tor ...
3
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2answers
176 views

How does a Tor exit node know the public key of the client?

When the Tor exit node executes the client's request and receives a response from the server, it must create an onion cell that can be reversely decrypted along a circuit through the Tor network. ...
7
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1answer
345 views

What Steps Does An Anonymous Artist Need To Take to Retain Anonymity? [closed]

I read these questions which had great information: How can I keep my identity anonymous as a website owner/administrator? and How much can I trust Tor?, however I wonder if this is too extreme for my ...
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0answers
33 views

How to detect if Tor is being used in the network [duplicate]

I believe Tor is an excellent tool to anonymise the internet usage. However as an admin, how can someone detect if Tor is being used on the network? This becomes crucial in case of institutions like ...
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2answers
70 views

Is there any benefit to login to a website as anonymously as possible, if you've already been there from an identifiable IP address?

Here's a basic example of the situation I am in: 1.Friend downloads full-length, new release movie on shady internet site (felony). 2.Uploads it to a randomly created, cloud hosting service account ...
29
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4answers
2k views

How does Tor protect against an attacker just running thousands of nodes?

Does Tor have any protection against an adversary simply running a very large number of nodes? Someone with the necessary resources could just run thousands of relay nodes (including exit nodes). If ...
4
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2answers
133 views

How do dissidents use Tor?

The most common justification for Tor is that people in countries like China that don't have full protections on free speech can use it to publish dissenting opinions or access foreign information. I ...
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2answers
150 views

Is chaining multiple VPNs a good way to reach anonymity on the internet?

I would like to chain a couple, say 6 or 7, VPNs together to create a sort of "super" encrypted lane on the internet. I'm not too concerned about speeds, all I want is privacy and anonymity. I've ...
4
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3answers
110 views

Does using DNSSEC in parallel with an anonymisation network decrease your privacy?

When using an anonymous communication network like Tor, to ensure privacy you must route your DNS traffic through the system even if your computer always uses DNSSEC for DNS lookups, would this be ...
2
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1answer
87 views

Non-profit on limited budgets looking for safety with VPN/TOR etc [closed]

First off, thank you ahead of time for your patience. We are a small non-profit with a 100% volunteer staff. We deal with children and some adults that suffer from Mitochondrial disease. So, I was ...
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3answers
115 views

Using TOR secure

TOR is fully secure only if I use HTTPS, right? But not every site supports it, so I had an idea - some online anonymizers support HTTPS, so if I connect via TOR (TOR - ANONYMIZER - site), will that ...
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2answers
58 views

Using the TOR network with a Proxy

I have just implemented a new web-filtering proxy system for my organisation, and I was wondering what the recommendations would be to test the use of TOR through this web-proxy. We are doing SSL ...
0
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1answer
46 views

Splitting data between wifi networks for security

Does there exist, software or technology, that can use more than one wifi network, in such a way that only part of the data travels through each 'side'? You would probably need an end address like a ...
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1answer
28 views

Syverson's paper (Users Get Routed), What do they mean by “common locations”?

I am preparing a survey on Tor and its security. While searching for resources, I have come across with the paper Users Get Routed:Traffic Correlation on Tor by Realistic Adversaries. I comprehend the ...
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2answers
1k views

Is it possible to retrieve MAC address of a host using Tor?

I know that Tor is used for anonymity while browsing in the Internet. I heard that by using Tor, it is possible to hide my IP. But is it possible to hide my MAC address also?
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37 views

why tor nodes maintain tls keys with all other tor nodes?

I read that tor proxy maintains session key with tor nodes and use it while encrypting data but why tor nodes maintain keys with other tor nodes?
0
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1answer
165 views

Does Google hand over captcha IPs to webmasters?

Google gets to know a user's IP when someone enters a captcha even if they are using tor (see http://www.wired.com/2014/12/google-one-click-recaptcha/). So, If I go to a non-google website, such as ...
25
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4answers
22k views

How do you get a specific .onion address for your hidden service?

.onion addresses normally should be made of a base32 string of the first 80 bits of the SHA1 hash of the private key of the server (see .onion address specification). Today I ran into a service which ...
2
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3answers
1k views

Using Tor from behind a Proxy (like Burp Suite)

I am interested in exploring a bit of the darknet, and I was wondering about the feasibility of running a Tor exit node from behind a local proxy like Burp Suite so that I could ID the destination ...
3
votes
1answer
107 views

How secure are Tor circuits?

Sometime ago I was talking with a friend about security of different anonimity software kits. The most famous software we talked about was Tor. While I was talking about the triple secret used in ...
12
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3answers
304 views

Is there any difference between visiting Facebook via their Tor address, and visiting them via their normal address over Tor?

From a security perspective, is visiting via the .onion address more/less secure? I'm using Facebook as an example, but this question is really about any website which has both a 'normal' and a Tor ...
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3answers
178 views

Tor IP and cookies in hidden services

So when you connect to tor it gives you a specific IP right, who's IP is this exactly? And when you visit an open website who's IP is visible to the site, mine or the exit node. And while you're ...
2
votes
2answers
95 views

Using anonymous email as official email

Assuming I have created an email in hushmail through of tor, and if I use it as my official email in a site such as Github. Will it throw my anonymity away as I use github from a regular browser?
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2answers
192 views

Is listening to an audio stream through Tor (using Tails) hazardous?

If someone were to listen to a SHOUTcast server through Tor using VLC (not just downloading the M3U playlist through the Tor browser, of course, but while running Tails), would it put their security ...
3
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2answers
157 views

Can First Hop Man in the Middle be Defeated with TOR or VPN?

I was reading this article about a certain in flight WiFi provider issuing fake SSL certificates for Google. This doesn't really surprise me all that much since I'm well aware of the concept of ...
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3answers
9k views

How do you properly setup Tor on Windows 7?

How do you properly setup Tor on a Windows 7 box to guarantee that ALL connections will run through Tor?
5
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2answers
142 views

How does Tor guarantee anonymity of Tor network?

To me it seems that the only thing Tor is doing for anonymity (not security!) is the fact that it does not record the traffic in and out, because obviously if every router was recording the traffic ...