Questions tagged [security]

Information about network security

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How does the Tor Circuit Map works?

I always wondered how Tor knows all the nodes in the connection path when the Tor Browser connects to a server. I though that the idea behind the onion routing was to hide nodes from each other, so ...
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934 views

Does tor hide traffic from DNS servers? [duplicate]

I am wondering if when using Tor my requests are hidden from my DNS servers. For example, I have set up my computer to use google's IPv6 DNS servers, does google see the domains I am accessing? I am ...
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256 views

Hiding Tails on USB drive

How can I hide the Tails software on my USB stick ? I have no idea to do so. I use it, but I'm no developper.
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454 views

Setting a usa IP address TAILS/ TOR [duplicate]

I need to set TAILS/ TOR to an IP address that resides in the USA. I do not know how to do this. Thank you!
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398 views

Difference of Tor Browser and Firefox version

When using Tor Browser I see that the Tor Browser and Firefox versions differ. The current version of Tor Browser (based on firefox) is 45.7.0 The current version of Firefox is 51.0.1 Why doesn't ...
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71 views

THE AUTHENTIC TOR? [duplicate]

Could there be such a thing as an "imposter" Tor? Could anyone mistakenly download an "imposter" version of Tor? Thank you, Tomadeus
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366 views

Tails and OnionShare

Tails 2.10 includes the OnionShare software for the first time. While experimenting with OnionShare I discovered that I could share files on my desktop. That surprised me. TorBrowser was hardened so ...
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3answers
354 views

Infected tails dvd

if a RAT hits my computer and it is NOT the kind that can write to firmware, and I am using my tor tails livecd, and I have no HDD installed on the computer, can this kind of (non-firmware writing) ...
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4k views

Tails/Tor Browser not connecting to the internet

I have been using Tails successfully for a little while now. However, once I removed the HDD from my computer and then tried using Tails, the Tor Browser would not connect to the internet. THe onion ...
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211 views

Can the tor initial client to relay or bridge connection be MITM attacked?

I am not an expert in Wireshark but I was looking at some packets through Wireshark. I noticed that when using a relay that the connection to the directory authority the first few TCP packets such as ...
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86 views

Does running a relay expose my IP and make me vulnerable to attacks?

I'm running a non exit relay, but I am slightly concerned. My relay information is listed on the Atlas, along with my IP Address. Is this safe? Doesn't it make me an easy target for getting ddosed?
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304 views

Does Tor address the excessivity of cookies websites post on the browser?

I have not found anything anywhere that addresses the excessivity of cookies, including Third Party cookies, that are presently being posted by websites into connecting browsers. This is primarily ...
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411 views

TAILS - LIVECD & RATs

If i have a RAT on my computer, obviously, they have control over the computer when I am in win 10 os, for ie. But what about if after the RAT has infected the host os, I use a LIVECD. QUESTION: When ...
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286 views

How often should the bridges list that is downloaded be replaced? [duplicate]

Are they changed, and is there a recommended time to change them?
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243 views

Running a Tor relay and make it secure

I was considering about running a relay to help the Tor community. But I was wondering what's happening if someone using the Tor network to access illegal websites (such as pedophile websites). Do I ...
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71 views

How can I set the firewall rules on Iptables without them getting deleted?

I am sending command line commands to the Iptables. Once I set these rules I connect to my router. on connecting all the rules I just add is removed and only the original firewall rules that tails has ...
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216 views

Tor's encryption confusion and client to first node encryption

From what I've read the onion routing process goes like this: The client encrypts its traffic to the destination server and sends it to the first node (encrypted); The fird node encrypts it again and ...
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505 views

Unknown Connections In Netstat

I have not ran TOR since turning on my computer hours ago. I occasionally netstat my CPU to make sure there is no unknown connections/phoning home/root kits. I ran the following command: sudo ...
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193 views

is it safe to browse in other browser while using TOR browser? [duplicate]

I'm a new user so I wanted to confirm if browsing simultaneously on some other browser will affect my security .
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222 views

how I use tor on windows phone?

since the wifi that I am using does not allow me even to connect to my vpn, the only way that I have to visit facebook etc. is surfing with Tor browser, as I do on my laptop. Is there a way to use the ...
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3k views

Why is the “administrator” password not saved in Tails?

I can use any password to be administrator for each particular session [as long as I type it twice], at Tails boot. That seems like a g a p i n g security hole if an adversary were to get/have access ...
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1answer
461 views

Can I prevent Tor from building single-hop circuits?

Despite the manual's declared defaults [below], Onion Circuits shows single hop circuits being "Built" by Tor. So I have edited my torrc to specifically include ExcludeSingleHopRelays 1 and ...
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303 views

Is there any vulnerabilities when using socks with tails?

In the tor manual under socks port it states “The SOCKS protocol is unencrypted and (as we use it) unauthenticated” Does the socks protocol used in the loop back interface only or does the Socks ...
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1answer
74 views

What is the purpose of the nat ipables rules in Tails netfilter?

I had a look at the iptables rules from Tails OS Briefly speaking, what is the purpose of the lan iptables rules? Chain lan (3 references) target prot opt source destination ...
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2answers
279 views

Can I sent ip and port combination when I connect to the tor network?

I would like to set my source port when I connect to the tor network. I know that the destination port is set irrespectively if you use a bridge or node to connect for out bound traffic. I would like ...
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110 views

ZeroDay exploits and how do we stay safe from them

Tor is a browser that guarantees anonymity if used properly. But today I stumbled upon a piece of code which is claimed to be a Zero day exploit for Tor browser. It can be located by the following ...
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288 views

Yandex claims there's a virus [duplicate]

:-) When trying to open my Yandex account it won't let me open the site. It says: "403 Access to our service has been temporarily blocked. Your computer may be infected with a virus, which is sending ...
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168 views

Some sites seem to disable the protection by themselves, how can I prevent that?

When I visit some specific sites e.g. www.youtube.com or https://www.vliegtickets.nl, two things happen: The menu item for 'temporarily allow all this page' disappears The HTTPS connection is marked ...
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After Downloading and Installing Tor My E-Mail Program is Drastically Slow

After Downloading and Installing Tor My E-Mail Program is Drastically Slow ... I am using Windows - 7 and Outlook 2013. Earthlink.net is my e-mail server. Prior to downloading and installing TOR, my ...
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1answer
155 views

Can't launch hardend browser with Grsecurity

Can somebody explain to me, what's up with tor-browser-hardened and Grsecurity? I can't launch hardened browser on Grsecurity hardened kernel. Even after applying paxctl -cpemrxs to Browser/firefox ...
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1answer
75 views

How to verify that my ISP is not running a fake tor subnetwork

It seems very easy for my ISP to firewall all tor nodes and redirect all connection to a fake tor node or network of fake tor nodes. How can I make sure it is not the case?
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474 views

Routing Bittorrent through a Tor relay…

I am running a non-exit Tor relay on my Windows 10 machine. I have the ORPort as 443, while the SocksPort and ControlPort are 9050 and 9051, respectively. I devote 800 Kbps average, and 950 Kbps to ...
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325 views

Getting XML parsing error in tor. Is my tor compromised?

while browsing a website using tor i got the error as shown in image. I was shocked because error shows my name and path in my system. Is the above error something to be worried about or is it ...
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111 views

Addon/plugin “Unplug”, is it safe? [duplicate]

I tried the add-on named "Unplug", it works fine. But is it safe to use the "Unplug" add-on within Tor to catch streaming ? Thanks.
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881 views

Can this anonymous email be traced back to me?

I used TOR browser and guerillamail to send an email anonymously (or so I think). Is there any way this can come back to me? I used my own laptop on my home wifi network. I just opened Tor, did some ...
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Root access in Tor 6,0.5?

25/9/2016 Bonjour tout le monde, While launching Tor 6,05 as standard user, I check the connexions and noticed these lines : tcp 0 0 localhost:58186 localhost:ipp ...
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45 views

More information on how Tor works [closed]

How do I know Tor is working on my device? Is there any way I can know that my whatsapp is routed via Tor?
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86 views

Anonymity considerations of HTTP referer field [duplicate]

I was just reading about security risks associated with the referrer field and the ticket generated on Tor to probably disable it for anonymity. But I don't really understand the security risks. I ...
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1answer
554 views

Is it safe to use Tor with Malwarebytes Anti-Exploit?

I have Malwarebytes Anti-Exploit on my system. Is it safe to use it with Tor?
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144 views

Additional Tor security at the client's network perimeter

I have been studying Tor and its related security issues recently, and have some questions. Aren't the most effective recent attacks on Tor, actually attacks on the browser (or plugins), rather than ...
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2k views

How to sandbox/harden tor browser bundle?

A few months ago the user Canonizing Ironize suggested: Run tor-browser-bundle with another user Create a new network namespace so the process only sees the local loopback device, create a read-...
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firefox can be fingerprinted [closed]

https://www.browserleaks.com/firefox it can be used for both fingerprinting (different users use different OS setups or different Tor versions) and exploiting software vulnerabilities because when ...
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1answer
301 views

SSL, Mixed Content

https://developer.mozilla.org/en-US/docs/Web/Security/Mixed_content Mixed active content is content that has access to all or parts of the Document Object Model of the HTTPS page. This type of ...
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93 views

Is there a way to upload information to server using Tor and regular google search will find it? [closed]

Is there a way to upload information to server so there won't be a way to detect its real IP such as by using TOR. In addition, the content of it will be shown in regular browser google search? Is ...
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security checks in tor browser in the form of a capture [duplicate]

How to bypass security checks in tor browser because whenever i enter a site in the address bar of tor browser a security check appears in the form of a capture? So how can i bypass security checks in ...
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1answer
357 views

How to close tails firewall port?

I need to closing two or more open firewall ports in tails. How can I send the command to do this?
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217 views

Why does my TOR exit node say “Unknown country”?

I read one other post similar to my question, but it does not tell me if it is SAFE to use an exit node that comes from an "Unknown country". Is it safe???
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1k views

Remove bookmarks from tor browser

I use tor browser and have some bookmarks. Now I want to remove those bookmarks completely. I already tried approach mentioned on this link. I deleted places.sqlite file but all my bookmarks are still ...
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2answers
123 views

Serious TCP Bug in Linux Systems?

https://threatpost.com/serious-tcp-bug-in-linux-systems-allows-traffic-hijacking/119804/ http://fossbytes.com/linux-distribution-hackable-serious-tcp-bug-report/ I am not clear on how this TCP news ...
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How to properly start tor service

For months I've been using: $ sudo systemctl start tor.service but I just realized we can start tor by simply typing "tor" into a terminal. What's the proper/safest way to start and stop tor.service?...