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 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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171 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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152 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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655 views

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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257 views

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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123 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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181 views

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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133 views

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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76 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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7k views

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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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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622 views

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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3k views

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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422 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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86 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 ...
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147 views

In depth TOR encryption design details

I am currently struggling with understanding the details of a connection in tor, mainly because I try to understand PCTCP. In this paper the authors claim that the changes are local to the onion ...
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105 views

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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186 views

Does Tor browser work with college network? [closed]

I'm in a system where my modem connects to a college network (KotNet) that monitors its internet traffic. Since I'd like some privacy I was wondering if a Tor browser would hide my identity or if it ...
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527 views

How is a Tor hidden service immune to exit node attacks?

Let me explain with a nifty diagram: IP/RP <-> bunch of Tor clients/node (Tor circuit) <-> Tor hidden service Wouldn't the last Tor client in the circuit knows that the message is for the Tor ...
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1k views

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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134 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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2answers
76 views

Tor and remote desktop viewing

If I am using tor for anonimity, does this prevent staff at a place of employment or an educational institution from remotely viewing my desktop and seeing what I am doing on Tor? If so how can I get ...
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787 views

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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379 views

Are there any same origin issues (SOP) with TOR?

Are there any issues with Same Origin Policy (SOP) with TOR or *.onion addresses? I'm thinking of cookies Plugins (Silverlight, Flash, Java, etc) Javascript
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186 views

How to get net anonymity while browsing?

I am a college student and am getting free wifi for using the 'Hostel campus" facility ', to access net, I have to put a proxy IP address to my browser. I have heard that they can see what all ...
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321 views

Encryption key exchange for Tor

I've been studying how Tor works - including the great QA "Why can a Tor exit node decrypt data, but not the entry node?". I understand the concept of onion routing and multiple layers of ...
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206 views

Torception: An onion within an onion

With the recent takedown of silkroad, I am pondering on how anonymous you actually can be on the Tor Network. Other more legal or moral uses such as anonymity as a right, or avoiding censorship. These ...
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463 views

Is there an anti-proxy detection available?

Sites like Wikipedia and Google (among others) don't let you sign up through a proxy or TOR (at least with Google, you have to provide SMS verification if you sign up through proxy.) Somehow they ...
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237 views

Why would Tor not be vulnerable to this easy-sounding attack?

I'm thinking of this attack on Tor, which I'm sure won't work, as it is much too simple. Mr. Blackhat sets up lots of intermediate nodes. However, whenever TCP connections come in, they are given ...
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694 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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755 views

Interesting article on a vulnerability found in Tor

This article describes how French researchers compromised users using Tor. I'm not sure I fully understand or agree with it. I don't see what Bit Torrent has to do with anything? I mean they start out ...
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244 views

Can ISP use MITM attack to “break” encrypted traffic?

Use connection of A and B as an example. Their communications were encrypted by Public Key Encryption. Before they exchange their public key, ISP MITM attacked. A got "B"'s public key (ISP generated) ...
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4answers
100 views

Is there a way to make Tor network your full VPN?

Is there a way to use Tor network as your VPN, proxy or something alike? I have been gone to their website but I've seen just browser (Tor Browser), bridge, relay and exit. Is there way to tell ...
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73 views

How do two Tor relays communicate with one another?

Nodes don't know each other's IP address right? So how do they manage to address one another when it comes to sending data?
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252 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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755 views

Using tor with SET to bypass firewall policy?

I'm doing a credential harvesting attack using SET from backtrack. I want to sent a spoof email using an open relay server. However, any outbound connection for smtp is blocked by the firewall. I ...
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72 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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Can software projects which accept government funding be trusted?

You may know or probably are using TOR client which provides anonymity to the users but how can one be sure they are secure when browsing using this client and its network since its funded by feds? ...
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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 ...
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756 views

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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118 views

Is an anonymity network like Tor viable on top of the GPG web of trust?

The web of trust is a graph where the vertices are GPG users (actually, their keys) and the edges are cross-signatures. If we put issues of owner trust aside and assume that all participants only sign ...
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279 views

How are packets received by a Tor exit node routed back through the Tor circuit?

What happens to the packets that the exit node sends/receives from the desired web server? Does each response packet get routed back through the Tor circuit (encrypting on the way) individually? If ...
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226 views

What are reasons why one shouldn't run Tor at a network level?

I've been considering proxying all web traffic on my network transparently through Tor and dividing up my bandwidth to share with the rest of the Tor network. Practically speaking, what are some of ...
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32 views

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

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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31 views

Anonymous communication network - Tor

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 ...
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154 views

I'm wondering how I hide my identity online well

what are the different ways to become anonymous. Is quicksilver a good email for that? What are the different options? I know about proxies, Tor, and VPNs. Should I do all three? I like computers but ...
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960 views

How was Lulzsec caught? [closed]

I saw that the leader connected to IRC without using TOR and they traced their IP address, but the identity of each member was supposed to be unknown to the others. So even if the leader was acting as ...
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2k views

Is TOR used to perform hostile hacking?

I was wondering, if in order to protect myself from hostile hacking, should I consider access via TOR to be OK to perform e.g. havoc without anyone being able to track my ip back?
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440 views

“VPN -> Tor: Go to jail” - What's the logic behind this?

The VPN won't see anymore than your ISP already is. So even if the VPN was logging everything you did, shouldn't it just leave you in status quo? How can it ever compromise your identity, that you ...
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312 views

Will the “Tor Browser” maintain a safe & anonymous internet connection over a computer's sleep/standby-and-resume cycle?

Will the "Tor Browser" maintain a safe & anonymous internet connection over a computer's sleep/standby-and-resume cycle? Is it safe to assume that when the computer sleeps the (internet) ...