Questions tagged [certificate]

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Security vulnerabilities for http login of self-hosted nextcloud server over tor?

After setting up my own Nextcloud server over tor, using a private .onion domain, and http, I am unsure about the security implications of using http in this setup. I learned one can buy a .onion ...
a.t.'s user avatar
  • 153
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API to get Tor SSL certificates

Some onion websites, like facebook, have TLS implemented on top of Tor. Is it possible to fetch the certificates and TLS versions of these connections using something like torpy?
Yousuf Badawi's user avatar
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Tor Browser: "Connection not secure" no matter what site

I get an error "Connection not secure" if I connect to any website using Tor Browser. I get this error only when I use Tor Browser in Manjaro Linux, I have no problem if I use Tor Browser in ...
mooko's user avatar
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Can't start relay - certificate error

Upon trying to start it I get this: Mar 04 08:09:00 beeldbox Tor[30025]: No signature found on key certificate Thing is this was working fine yesterday I've finally built up enough consensus weight ...
unixandria's user avatar
2 votes
1 answer

Noscript DISABLED on tor 8.0.8

Noscript is completely disabled/turned off in Tor 8.0.8 and there is no way to turn it back on. I have tried reinstalling. If I try to install any version of Noscript on the firefox addon store, Tor ...
anon2's user avatar
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Detailed Understanding of Tor's connection establishment

I am really new to Onion Routing and Tor and I have just started reading about the topic on Wikipedia and the Tor Protocol Specification. Most of the concepts are explained very well but I have ...
BeniEnge's user avatar
1 vote
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RSA keys explanations

I am currently reading the Tor Spec (and other Tor-related technical documents) and have some questions about RSA keys. I can't understand why the "connection key" is used to establish the TLS ...
Antoine Duquenoy's user avatar
1 vote
1 answer

Can I get a Let's Encrypt certificate for hidden services? [duplicate]

Is it possible to use Let's Encrypt to generate a certificate for an .onion address? From what I read, it is currently not supported, but I wonder whether there are technical reasons preventing it, ...
Philipp Claßen's user avatar
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cert type 4, 5, 7 in cert cell

I'm working on a piece of code that will allow to me connect and pass tcp traffic through socket by implementing the TOR protocol. I'm currently working on certs cells, and there's a node that gives ...
Infinity's user avatar
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What is mean "" in wireshark when i establish tor connection using Tor Browser?

I am just get started in wireshark and tor, so please don't laugh) When i establish connection to tor, using tor browser i saw in wireshark some unclear packet. After SYN (9) -> SYN,ACK (10) -> ACK ...
Gudsaf's user avatar
  • 103
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unable to find valid certification path to requested target Error

I downloaded the Tor browser, and ran the Tor exe file. I then run the code shown below to try an access a website using SOCKS SocketAddress sockAddr = new InetSocketAddress("localhost",9050); ...
Arif's user avatar
  • 51
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TBB Sec Error Unknown Issuer (Comodo CA) [closed]

I'm trying to access through the Tor Browser Bundle, but I get the "connection not secure" warning. TBB says the issuer certificate is unknown. I can access the site just fine ...
SuperSluether's user avatar
1 vote
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Latest TBB never accept self-sign certificate

about:preferences#advanced -> Certificates -> ViewCert In Firefox, I can add my own self-sign cert to browser. However, in latest TBB(6.0+) I can't add certificate. This is annoying because I ...
Toooory's user avatar
  • 11
3 votes
1 answer

SSL certificate for Tor

I have setup a Tor Hidden Service, and have the .onion domain. I wish to setup HTTPS. As I am using a self signed cert when a user visits my site they get a warning, which is extremely off putting. ...
hggj's user avatar
  • 31
2 votes
3 answers

How to easily verify certificates on .onion versions of clearnet sites?

According to various sources (like this question) DuckDuckGo has an onion site. However, I can't easily find any mention of it on their clearnet site (but I stumbled across a special search result ...
l0b0's user avatar
  • 210
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Hidden service private key chain

Can a certificate chain be used for a hidden service's private key? It would be nice to be able to periodically re-sign a public key and upload it to the host. This would mean that in the case of the ...
Mario Cecil's user avatar
2 votes
5 answers

How do I revoke a .onion address?

Can I revoke a .onion address, to "open it" back up for registration? It is possible, in the world of certificate authorities, to maintain revocation lists for keys that have been compromised or are ...
Nathan Basanese's user avatar
1 vote
1 answer

Certificate authorization spoofing

I am somewhat new to Tor and am now using it for everything. I have seen old posts recommending it not be used for online banking etc. From my experience with cryptography, this seems ludicrous ...
Jim Bob's user avatar
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Tor blocked due to invalid SSL certificate

My Censor generally blocks Tor, so I decided to use obfuscated bridges in the hope that that would work. But either the pluggable transport does this ... >13/06/2014 10:03:26 AM.374 [NOTICE] ...
Anonymous's user avatar
2 votes
1 answer

I can't access ANY website: Connection refused (WSAECONNREFUSED)

I have a Windows ultimate/32 PC. Sometimes when I try to open Tor, the Launcher indicates "Connection Refused" as stated above. Other times the Launcher message is "Tor failed to establish a Tor ...
netkingcool's user avatar
3 votes
1 answer

How to validate certificates?

In firefox sessions without a tor proxy, it seems worthwhile to use an extension that helps to validate SSL certificates (e.g. Perspectives or Certificate Patrol). Is there any way to handle this ...
Guest's user avatar
  • 61