Questions tagged [authentication]

Authentication is the process of proving your identity to a computer. It differs from authorization, which is the process of granting certain privileges to someone.

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SSH Agent Forwarding not working even when using `ssh -A`

First of all, I've checked all the following Agent Forwarding not working Extra configuration required for ssh-agent forwarding? SSH Agent Forwarding Not Working https://serverfault.com/questions/404447/why-is-ssh-agent-forwarding-not-working…
xpt
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Google chrome proxy authentication dialogue timeout

I am on a network that uses LDAP proxy for authentication based on a username and password. Whenever I start Google Chrome, it pops up with a proxy authentication dialogue, but the dialogue disappears automatically after variable amount of time…
Nihar Sarangi
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SSH still asks for password after setting up key based authentication

I have successfully created a key based auth for root user from my A machine to my B machine. Now, I created a new user on B machine, the same as on A machine, let's call him USER . I created a home dir for him on B machine /home/USER and I want to…
tratto
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Why is MAC-based authentication insecure?

Most wireless routers can use MAC-based authentication as part of their overall security scheme. It seems like a good idea, but I've heard that it is very ineffective, because it's easy to spoof MAC addresses. I believe that it's easy to spoof these…
stalepretzel
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What's the purpose of @ (at symbol) in URL before domain?

I've recently came across new phishing attack which is using @ symbol to make the URL look legit. It goes like this: I have an account at totally-legit-site.com and the attacker sets up a phishing site at his IP like 192.168.50.20 . Then, he sends…
Adam Ježek
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Using longer passwords with VNC?

tightvncserver limits VNC passwords to 8 characters, and even truncates them if one tries to enter a longer password. My understanding is that this is (was?) due to compatibility issues, from what I can gather from posts online dating a few years.…
P A N
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Can I get Google Authenticator as a stand-alone hardware dongle?

I'm setting up Two-Factor Authentication for our small office that will be used to log in to the corporate web site. The TFA is used via the Google Authenticator app that works great, except for a situation when a person doesn't own a smartphone. So…
MikeF
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Disconnected: no supported authentication methods available

I have the same exact problem described in this thread , but the answer accepted there is not the right one for me, because the user's home directory is local. I think that I configured everything properly on the client side (Windows 7, PuTTY's…
WinWin
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Why do we need `required` when we have `requisite` in `PAM`?

I was wondering why do we need required in PAM when we have requisite . I know that required will allow to keep going through auth stack, but the authentication process will fail anyway finally. So why not simply to use requisite ? Is that for…
Mohammed Noureldin
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How does ssh choose the correct key to use?

How does ssh-agent understand which key should it use for which remote server? I've came across different questions and posts that touches this topic somehow, but it still remain unclear to me. What I have found is that if you want to use different…
volk
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How to create a Windows 7 fileshare that requires NO authentication

This almost seems like a silly question, and yet I can't find the combination to keep the safe open. I am trying to create a fileshare on a Windows 7 Pro workstation. I want NO authentication prompts. None! Zero! Zilch! :-) The workstation is joined…
tcv
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PuTTY authentication equivalent on Mac OS X?

On my Windows development machine, I use Pageant with a secret key to authenticate with an SVN server. I want to know: What's the equivalent Mac process for doing this? Pageant isn't ported, how do I authenticate?
Joseph Weissman
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How do I send a digest auth request using curl?

While searching for a guide I found this example on Wikipedia GET /dir/index.html HTTP/1.0 Host: localhost Authorization: Digest username="Mufasa", realm="testrealm@host.com", nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093", uri="/dir/index.html",…
mina nageh
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How can I provide a SSH password to SVN on the command line?

In my case, I want to do a SVN checkout: svn co svn+ssh://10.106.191.164/home/svn/shproject However, I want to have the password in that one line, so that it doesn't pop up.
Alex
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What is the criteria on which Chrome shows available certificates for client authentication

When a remote server requires a client certificate for authentication, the browser pops up a dialog to select the certificate from: it only shows a subset of certificates, I want to know on which criteria it fetches them, for example, I expect that…
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