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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ubuntu: Xorg without "-auth ....". How to eliminate?

thats Xorg in processlist of ubuntu 20.04 with already open port 6000 (-listen tcp) : /usr/lib/xorg/Xorg -listen tcp :0 -seat seat0 -auth /var/run/lightdm/root/:0 -listen tcp vt7 -novtswitch How to ...
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Cannot log out of site

I'm trying to log off a site, but it always keeps me logged in. What I tried in chrome: Use incognito mode go to devtools - application - storage - clear site data (including 3rd party cookies) If I ...
Artur Carvalho's user avatar
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Does Chrome support OID Filters in the TLS handshake

Cite from rfc8446 The "oid_filters" extension allows servers to provide a set of OID/value pairs which it would like the client's certificate to match. This extension, if provided by the ...
Desperado's user avatar
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Why is the SSH server asking for a password even if I specify a valid key?

I can't set up password-less login on a Ubuntu server. Even if I specify a key, I get prompted for a password. The same key can correctly log me in another server. So I don't think it's a permission ...
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Passkeys with Firefox - Touch your security key to continue

I am trying to log in to Github with Firefox. When I try to log in, the web page gives me an option to try with a passkey. When I do that, Firefox displays a dialog box saying "Touch your ...
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VLC as RTSP Server (Windows) - Authentication not working

I know there is another thread with a similar question, but was recommended create a new one. With VLC, I am opening a file or a RTSP stream from a camera and restream it with VLC RTSP. I tried a lot ...
Rodrigo Pedro's user avatar
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How to Reduce Delay in Displaying Incorrect Password message on Domain PC

I've been encountering an issue with domain PCs where it takes a longer time to notify entering of incorrect password. After conducting some research, we identified that the delay is caused due to ...
forumresearcher007's user avatar
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Internet fully disconnects when I try to authenticate in some sites. What could it be?

I have noticed that when I try to log in some sites, my internet completely shuts down. One of those sites is Outlook.com. When the mail animation is running, before loading the form login, I got ...
Leo's user avatar
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Authentication of commits and pushes in a bare git repo without an actual git server running

I am trying to understand what a git repo itself without a server hosting it is able to do. My goal is a bare git repo somewhere on our network drive that people can pull and push to. I was able to ...
patvax's user avatar
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Linux oathtool-generated TOTP 6-digit code invalid for 2FA SSH login using pam_oath.so

I'm trying to set up TOTP 2FA login into an SSH session on my Ubuntu box. To this end I have in /etc/users.oath: HOTP/T30/6 testuser – 8436e373cbdabce46a5d8d019c463a (I'm generating this value over ...
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Possible to disable password authentication and only use Google Authenticator for Linux ssh logins?

Is it possible to setup Linux so that Google Authenticator is the only required authentication? I've had no problem setting up Linux so that password+google auth works, but I've not been able to get ...
raindog308's user avatar
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How to login with to a remote linux host with RDP passwordless, using my private key?

tl:dr I can successfully log in with SSH passwordless using my private key. I can successfully log in with RDP using a username and a password. I would like to log in passwordless with RDP, ...
g.pickardou's user avatar
2 votes
1 answer
548 views

How to create CA + 2 Certificates *with XCA* - For Host-to-Host IPSec authentication (No AD)

(This is a question about using XCA, not openssl, and this is my motivation) I created CA, Server, and Client certificates: Within XCA, do I need to create these certificates differently? Does each ...
Amit's user avatar
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How can I configure Remote Desktop access from a specific laptop to my workstation within the LAN (no AD) with the highest possible security?

Remote Desktop access disabled is 100% safe. Is there a foolproof method to exclusively enable Remote Desktop access from a designated laptop to a workstation within my LAN? I understand that ...
Amit's user avatar
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How to ensure authenticity of sync target in WiFi network (do not run sync outside of home WiFi)

This is my first question and I hope to explain the situation well. Short explanation: I have a home network with various clients and a TrueNAS NAS. The NAS is target for backup and sync services e.g. ...
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Computer does not print, accept remote-connections nor open SMB folders until restart

I encountered a Windows 10 which seems to have problems with authentication. The computer does not accept remote connections, does not open smb-folders or print a file (no error shown, when the pc ...
Niclas's user avatar
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What private key does MobaXterm use by default?

What private key does MobaXterm use by default, and can I change it? I read through the documentation, found nothing on what the default key that is used. I know there is the C:\Users\<me>\.ssh ...
Dave's user avatar
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What does the OpenVPN 'auth' directive do?

What does the 'auth' directive do in an OpenVPN config file? I am using a PKI system with my OpenVPN setup, as detailed here, and i have got everything working OK (I.E Client connects to server). ...
M_D's user avatar
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Windows 11 forgets RADIUS WIFI Credentials

We have a number of Windows 11 notebooks in our family. All updated to the latest version of WinPro. And all suffer the same problem: every once in a while, these devices forget the RADIUS credentials ...
Jochen's user avatar
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Remote printing with user authentication [closed]

I saw in one company how an employee sent documents to print from her computer, then went to a printer in another room, swiped an ID card (probably RFID) on it and it immediately printed the documents....
jakkenuhhen's user avatar
1 vote
1 answer
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Connect to S3 Web Console with Access and Secret Key

Is it possible to authenticate in the Amazon S3 console (https://s3.console.aws.amazon.com) using an access key/secret key pair? It looks like it only accepts user credentials. If not, is there any ...
mrgou's user avatar
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Is there a way to prevent saved authentication in Tortoise SVN at the Server level?

I am using Tortoise SVN on my Window server and I am trying to not have a username/password stored. I was able to figure out that if I make changes to %appdata%\Subversion\config enabling: store-...
Wanner Hernandez's user avatar
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Trouble with PHPMailer and iCloud SMTP Authentication

I'm currently facing an issue with PHPMailer while trying to send emails using iCloud SMTP for my WordPress blog. I have followed the steps to configure PHPMailer with app-specific passwords provided ...
Maciek Rek's user avatar
2 votes
1 answer
428 views

SSH connection fails for a Microsoft_account user on Windows 11 "windows authentication failed. error 1326"

Update 18th July: After debugging for some time, I have found out that the issue is seen with Microsoft account only, not with a local account. I have updated the problem statement accordingly. Setup ...
Bhuvan's user avatar
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Google auth saying invalid code every time I try other method to log in without my security key on device without compatible port

I set up a Google account with a USB-C security key, and I am trying to log in to a device that only has USB-A ports. I do not have a compatible adapter at the moment. On the USB-A-only device when I ...
shim's user avatar
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Can I completely disable Anonymous authentication for internal system with AD users?

I have an internal system that has login form with username and password. But recently I needed to get some more information about the user who tries to log in (in case of a failed login attempt for ...
Stackerito's user avatar
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1 answer
640 views

How to access a non-trusted SSH server without a password and without providing your private key?

This answer explains how to set up a key-based ssh authentication to avoid re-typing the password at each access. However, it apparently requires providing the server with a client's private key (No! ...
FxMySz's user avatar
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How does the Key generation for Yubikeys/FIDO2 keys work if you can generate an infinitive amount

I'm asking myself how they have done it, or if anyone could explain it to me. I have found this source where it is described, but I don't quiet get it. For my understanding, it is not storing the ...
nojiyi4811's user avatar
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Unable to configure AWX with Okta

I have been trying to configure SAML (okta) on AWX without success for some time now. The user is getting a 400: Bad Request Error Code: GENERAL_NONSUCCESS error. The current SAML configuration: ...
igor012's user avatar
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Securing Windows Authentication on IIS

I have an internal system that verifies users automatically using their Windows credentials and then using LDAP to verify against the Active Directory In IIS, I allowed "Windows Authentication&...
Stackerito's user avatar
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Difficulty including integrated authentication in API call outside an Excel workbook using Python

I have a specific scenario in my organization where I use a laptop to access an API dashboard through a Chrome window. Within the Chrome window, I can make queries to the API and also download a ...
BloomShell's user avatar
2 votes
3 answers
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GMail SMTP rejects email from my domain, claiming it is a "security risk" if I haven't authenticated

This evening I sent an email to a Cornell University address of someone, following a website interaction; I'd not written him before. I got this in reply from [email protected] (anonymized): &...
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Google Chrome 2FA: combining the Authenticator extension with the Secure Shell extension

I am sshing into a remote server using Chrome and the Secure Shell extension. This server asks for a 2FA code and a password on every login. I use the Authenticator extension to copy and paste a 2FA ...
rhombidodecahedron's user avatar
1 vote
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90 views

Ever since changing to Windows 11 we have some workstations that now and then try to connect via smart card, but we don't use smart cards

Ever since changing to Windows 11 we have some workstations that now and then try to connect via smart card, but we don't use smart cards. The event occurs with the computer's account, not a user's ...
Karbashi's user avatar
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Export to excel error caused by netscaler loadbalncer

We are curently migrating from SharePoint 2016 to SharePoint SE and we are facing strange authenticationg issue on new SHP SE enviroment. Authentication is NTLM and what is happening besides all other ...
Jan Špička's user avatar
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1 answer
646 views

Transfer a file via scp with key auth

I need to transfer a file from machine source to machine target, executing the scp command on source machine. The source machine has a private key, and the target machine has source's public key ...
RedMurloc's user avatar
1 vote
1 answer
412 views

Apache basic auth: Why am I getting "HTTP 401 Invalid credential" with correct credentials?

I have these settings in my vhost conf file: <Location / > AuthType Basic AuthUserFile /etc/apache2/.htpasswd AuthName "Please log in with your Apache username and password&...
naomi's user avatar
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2 answers
673 views

Configure Office 365 POP3 Account with OAuth2 in Microsoft Outlook 2016

Recently Microsoft deactivated Office 365 Basic Authentication, causing all POP3 email accounts in my organization configured in Outlook 2016 client to stop working and display a password error. If I ...
Juan's user avatar
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3 votes
0 answers
457 views

Is it possible to disable Windows Hello trying to be my FIDO2 credential?

Sometimes when I try to register using FIDO2, windows asks me for my Windows Hello PIN so that it can authenticate me. Windows Hello asking for a PIN: AFAIK this is windows offering to be a "...
Gunni's user avatar
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436 views

Chrome Seems To Get Authentication/Credentials/Permissions Stuck

I've run into the same issue a few times now & I'm not sure what the problem is or why. The Situation: In Chrome I login to a site, or use a site that stores some sort of cookie Something changes,...
LostOnTheLine's user avatar
1 vote
1 answer
493 views

Why does Chrome not save username and password for some sites

There are certain internal sites where Chrome will not offer to save the credentials. I have entered them into the Autofill section, but it will still not use them. This example is for my Unify ...
Rohit Gupta's user avatar
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How to switch Outlook 365 client account from Basic Auth to Modern Auth without simply adding a new account?

It seems today is the day Microsoft disabled Basic Auth on my account and I have 20 clients to switch to Modern Auth. Anyone know how to switch an account inside the Outlook 365 client from Basic Auth ...
Jeff's user avatar
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207 views

Why does Windows *require* User Verification when registering WebAuthn?

During WebAuthn registration in Windows, why does Windows require User Verification, even when the Relying Party does not specify the User Verification requirement, or specifies it as preferred? Is it ...
Minute-Slice8546's user avatar
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mklink to a remote shared folder, with remote account

Difference to qustion Creating a symbolic link to mapped network drive in Windows Referenced question is about building symlink to a mapped network drive. This question doesn't say anything about ...
karatoga's user avatar
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1 answer
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How to add given public ssh key to my server

So, my question is if I am given a public key how am I going to use it to allow access to a user? Apart from the real one user that I want to add, for testing purposes I have created an another user; ...
jsnjdhs's user avatar
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-1 votes
1 answer
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How to add public ssh key in putty [closed]

So, I was given a public key and asked -among other things- to set up ssh key authentication only and to add a user to my server that could log in to the server with this public key. I created another ...
jsnjdhs's user avatar
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2 votes
3 answers
5k views

Force Use of Hardware Security Key with a Windows Hello Account

Question: Is it possible to bypass Windows Hello (Pin) on a Windows 11 login tied tied to a Microsoft passwordless account? Why? Want to force use of a hardware security key for authentication. I ...
CyberMedics.org's user avatar
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User ids became numbers and I can't ssh to remote machine anymore

I am working with a remote Ubuntu server using ssh, and today, while the machine was under a good load of work, I got hit by this weird error. Checking processes with top/htop, I could no longer see ...
gianMa's user avatar
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2 votes
2 answers
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sqlcmd AAD token authentication fails with cannot discover user realm

I am trying to authenticate to Azure SQL database using AAD user account. According to the documentation I should use -G to enable AAD authentication and then pass the token via -P. So I try it with ...
Jan Hudec's user avatar
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1 answer
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Azure ACR Auth Error - "aad access token with sp failed client id must be guid"

Using this guide: https://github.com/Azure/acr/tree/main/docs/preview/quarantine Endpoint to generate Token: GET https://quarantinetest1.azurecr.io/oauth2/token?service=quarantinetest1.azurecr-test.io&...
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