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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Is there a way to block all TOR traffic incident on my public servers?

I don't want any connections coming from a tor network to be accepted by my servers.
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download file/folder anonymously on a ssh session

I rent a paid VPS hosted online and want to transform it to a sort of treasure chest where I can upload and download files privately. For this purpose I want to do this operation over the Tor network. ...
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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 ...
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Can a malicious Tor exit node perform a HTTPS man-in-the-middle attack to see/modify your HTTPS traffic?

Let's say I am browsing the Internet using Tor - visiting https://example.com/login.php - and the NSA is operating the Tor exit node which I am currently routed to use. Can that NSA exit relay swap ...
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726 views

Avoid being implicated in criminal activity when using Tor

What steps does a Tor user need to take to ensure that he or she doesn't become implicated in other Tor users' criminal activity? For example, I recently came across a Tech Republic article by ...
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439 views

Questions on true anonymity

I am going to use Tails to connect to Tor through VPN which has AES-256 data encryption, SHA-256 data authentication and RSA-4096 handshake encryption on my Mac on my school's WiFi (as public as I can ...
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Is using VPN, Tor and ProxyChains together more secure?

Similar question (Tor and VPN only). All these three technologies seem to share the same goal, i.e. making internet traffic anonymous. Does it make any sense to try to use them together to increase ...
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172 views

MITM attack between me and TOR entry node

In which ways can my ISP, who by the way controls the WiFi router I connect to, do a MITM attack on my TOR connections and hence read the traffic?
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96 views

VirtualBox: Ubuntu With or Without Virtual Hard Drive

I've been working on a setup using VirtualBox that uses the Whonix Gateway as a Tor middlebox and I am planning on using Ubuntu for the workstation. I don't plan on storing any information on the ...
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356 views

About onion packet and onion routing?

I was just wondering if anyone has a diagram showing what is encrypted inside an onion packet when it leaves the sender? When a Tor client sends the packet out, wouldn't the entry onion node know ...
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Can a Tor exit node be reliably identified?

So with my knowledge of Tor, I know that exit nodes are where packets escape the Tor network and enter the "traceable" internet; ie. you can link an attack to an exit node but not the source of the ...
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What is the ideal anonymous workstation setup? [closed]

My goal is to build a perfect stationary workstation from which I can work anonymously. Most instructions on being anonymous usually involve, at some point, moving around and switching from coffee ...
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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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How Tor, Privoxy, Vidalia and Polipo are getting together?

I realized that these applications are frequently used together. What is the role of each software in the mission of anonymity and privacy on the web? While I understand Vidalia is a GUI provider, I ...
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Why is JavaScript disabled in the Tor Browser Bundle?

Didn't Tor create a local socks proxy? Why doesn't all the Web traffic go over this local socks proxy and why is JavaScript disabled in the Tor Browser bundle? If you would connect with firefox for ...
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TOR detection in network

After I read this link, I tried to understand how they manage detect TOR traffic The most understandable source for me was this paper He is saying TOR trafic can be detected by port, cipher suite ...
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How can I get the IP address for a ToR Hidden Service (HSP) with a .onion address?

I'd like to find out the IP address of a given .onion address. Is it possible for me to simply assign an exit node (that I control) to my client and just monitor it to determine what IP address ...
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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?
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100 views

Is it possible to retrieve data from a intermediate node in Tor browser

I'm using Tor browser for my internet surfing and check my email, my questions are Is my internet services provider able to see the websites I visited Is it possible to retrieve a login information ...
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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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263 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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593 views

Can Tor nodes infect my computer with malware?

Can I get "hacked" by a Tor node? My computer is sending packets through the Tor nodes and receiving packets from them as well. Can I be sure that there are no Tor nodes that manipulate the packets ...
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How much information can be sniffed at tor exit nodes

When someone is sniffing data at a Tor exit node, how much information can be obtained? The IP can be revealed, but can they see everything you do? Does it make a difference if it is encrypted using ...
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280 views

Can Heartbleed expose a TOR user's IP address?

It is interesting to observe, that TOR exit nodes with out-of-date OpenSSL implementations can themselves be affected by the Heartbleed bug. Can Heartbleed expose a TOR user's IP address merely by ...
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Is using Tor and VPN combination more secure?

I have been reading more about Tor and its risks to personal data leakage to the exit nodes in the chain. This last node can snatch encryption keys or log in information of websites I may have ...
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301 views

Using Tor browser on a Windows machine

Suppose a person is running a Windows 7/8 operating system. If she/he uses the TOR web-browser, can Microsoft see what they are browsing? Would that not defeat the point of using TOR in the first ...
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Is tor really fully decentralized?

I think, somewhere an initial list of the connectable peers had to download. Manipulating this list, or the server providing this list, weren't a serious security compromise of the whole network?
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Tor traffic correlation attacks by global adversaries

I recently came across a paper called "Users Get Routed: Traffic Correlation on Tor by Realistic Adversaries" (Aaron Johnson et al) ... which seems to be saying that adversaries (like the NSA) that ...
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407 views

Tor: requesting a tor website

When you have a website that's hosted within the Tor network and one accesses this website with a Tor browser, does this person still use an exit-node ? Or will this be an encrypted connection ...
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327 views

Tor and (SSL) response

I have two questions regarding Tor (onion routing). How do I receive responds from a server when I use onion routing, I've read that, the last node(exit node) will use the same path I used but in the ...
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193 views

Anonymity network like tor, but using the model of torrent

I am thinking about an anonimity network (just as tor), but using some type of guarantee against mis-usage. For example, which torrent does: there is a tracker, which registers who has given how much ...
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Could TOR nodes collect IPs and filter them to unmask .onion url IP addresses?

I feel that I generally understand TOR onion routing. From what I understand, the node knows the IP it is receiving data from and the IP it is sending data to. So surely a node can collect the IP ...
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How to run a Tor exit node securely on a vps

I want to run a TOR exit node on a vps, what security measures do I have to put in place on the vps? I know it will be a huge target for hackers and the three letter word agencies in the USA so I need ...
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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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187 views

How is a Tor hidden service authenticated based only on trusting the address?

While being fascinated by how it is possible to create hidden services with Tor, there's a few details around the address collision issue I can't seem to wrap my head around. Quote from Hidden ...
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Using Facebook via Tor

I think about using Tor for nearly everthing, including Facebook, because FB often tags the users even on other sites, for example per Like-Button, Cookies etc. Now I think about using the Tor ...
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Use Tor when testing on web apps that allow testing & have bounty programs?

When testing live web apps that allow / encourage security research & disclosure should I be routing my traffic through Tor? Is there a good reason not to? Does it imply a certain malicious ...
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629 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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Is it safe to access http sites from Tor?

Somewhere I read that you should only open HTTPS links on Tor because otherwise your ISP for example could read the webpages you visit. I searched on the subject and somewhere else I read that the ...
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575 views

Tor exit node can know my IP address?

I have read some articles about how Tor works. I know about layer by layer decryption, but there is something that I cannot understand: If the exit node is the one that does the last decryption and ...
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105 views

How well Tor protects against fingerprinting?

I don't want certain websites to track me, but they don't work without js. I found a few plugins that all require "reading and changing all data on all websites", so I needed something else. I was ...
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878 views

How actually is Tor hidden service hidden from public?

Let's suppose I have a web server X, listening on port N for instance and configured as a Tor hidden service. How and where is implemented its' hiddenness from public access?
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Attack on Tor with stolen private keys of main nodes

What could attacker do with stolen private keys of main nodes? Tor is based on 10 main nodes: moria1, tor26, dizum, Tonga, etc. IP Addresses of this nodes hard-coded into client. ./src/or/config.c: ...
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Is using Chrome and Tor Browser at the same time secure?

I question this recently because as I was using the Tor Browser, while in the same time my Google-Chrome was opened, and I right-clicked on a word to search it in 'Disconect', when the page loaded I ...
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396 views

How to increase anonymity of TOR

I need some system to gain a high level anonymity - nobody should have the possibility to figure out my IP. I can use TOR, but I do not completely trust to it. So I have an idea for a system with high ...
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411 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 ...
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How to run a tor hidden service from home securely?

Another theoretical question about Tor: Imagine I am running a dissident web site as a hidden service. How can I reduce the chances that I get caught? Assume I am running the server from home, over a ...
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539 views

anonymization for scanning and hacking

What kind of anonymization can be used for scanning and exploiting? Of course there are VPNs and VPS, but thats a different story. I know some scanning can be done via TOR, but how can an exploit or ...
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60 views

Simulate Tor Circuit

So an interesting thought popped into my head as I was thinking over the Cryptowall malware. If you don't already know, Cryptowall utilizes the Tor service to make the back-end service it uses ...
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Youtube.com trying to extract HTML5 canvas data: is Youtube trying to fingerprint users' browser?

While trying to watch a Youtube videos using Tor browser, the Tor browser opens an alert window: This website (www.youtube.com) attempted to extract HTML5 canvas image data, which may be used to ...