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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Using Libsecret to store git credentials

I am using libsecret to store my git personal access token on my laptop. Since I am working on a remote server (via ssh) regularly, I want to store my personal access token there as well. Is it safe ...
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Does using wget in crontab log me in every time?

In crontab I've defined a wget job to run every minute. $ tail /var/log/auth.log May 10 15:07:01 status CRON[5945]: pam_unix(cron:session): session opened for user pi by (uid=0) May 10 15:07:01 status ...
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Authentication of users in SQUID with the database of Samba 4

I have a SAMBA 4 server with several users and groups created. I need SQUID4 to do some site blocking. My question is how I integrate SAMBA authentication in SQUID, to reuse users and groups already ...
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Wifi authentication times out immediately when accessing a particular network

My problem is similar to WiFi authentication times out but that solution didn't work. This morning my computer was connecting to my home WiFi fine. Now, suddenly, it won't. I get dmesg output like (...
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Why is programatically joining to windows domain failing?

WE are facing an issue for a particular customer where programatically joining a machine to a domain is failing. The machine is cloned from a parent VM and attempted to be joined to the domain using ...
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Switching between stackexchange accounts doesn't work on Brave but works with Chrome

My Stackexchange account was originally created on stackoverflow. That means that if I want to login to any other site, like this one, I have to use my stackoverflow credentials and then get forwarded ...
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Continuous windows events 4648 and 4624 generated when ODBC driver is configured with Integrated windows authentication

We are running a C# application in my VM,which is configured to run as a windows service. The service runs as local system account and talks to a locally installed SQL database server. I have access ...
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24 views

netplwiz not updating account username

Currently when I start my Windows 10 desktop I get a failed auto-login (Incorrect user name or password...) - this is because it is trying to use an incorrect username. I can then login by entering ...
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Authentication to access SFTP service using LDAP/KeyClock

My SFTP server is running in K8S pod.I have created service and ingress to access SFTP service from remote.Till this point it is working as expected.I am trying to setup authentication to access SFTP ...
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LDAP: how to organize tree for webapp access?

I've the requirements to create a not-so-little webapp where we have only 3 profiles admin r/w users r/o users We are required to log users in using LDAP tree. I am creating for the first time an ...
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GPO to enable Windows Hello Face Recog. and Fingerprint but no PIN

How can I configure GPO to enable Windows Hello Face recog. and fingerprint but without PIN?
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Use a custom PAM authentication service with Polkit

Problem It looks like there is a hardcoded PAM service - polkit-1 - that polkit uses for authentication: rc = pam_start ("polkit-1", // <--- here user_to_auth, ...
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CentOS8 SSH Public Key auth and Nginx

I have an issue with making SSH pubkey auth work the way I'd like and I don't know if it's possible to make it work or not. I have a few websites hosted under different /home/$USER. All webfiles are ...
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Authentication with hash instead of login-password?

I look at an idea of simple authentication for website\webserver. The user clicks Create profile. The website engine generates a hash from a random set of 20 words, for example ...
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LDAP and PAM authentication OpenVPN / Active Directory

I am trying to configure OpenVPN with LDAP or PAM authentication with my Active Directory server (OpenVPN and Active Directory servers are in the same network). When I tried with LDAP I couldn't ...
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When using a jumphost, SSH asking if I want to continue

I am trying to connect to a remote host through a jumphost using SSH. For some reason, it is telling me that the authenticity of the jumphost can't be established even though I have specified ...
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How to cryptographically verify the authenticity and integrity of Microsoft Windows .iso releases (with gpg?)

For a given Windows release published by Microsoft, how can I cryptographically verify the authenticity and integrity of the .iso file that I downloaded before I copy it onto a USB drive and attempt ...
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Netgear R7000 with Shibby tomato cannot connect Pppoe

I have netgear R7000 with Shibby tomato firmware and TPlink Archer VR400 I have put the Archer VR400 in bridge mode, connected it via the LAN port 4 to my router WAN port. Entered my PPPOE username ...
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How can we have app based authentication for a community wifi?

We are building a community wi-fi network and using a captive portal for authentication ,since it uses http it is not secure. To overcome that we are trying to build an application which securely ...
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36 views

Kerberos gets tickets for wrong user

At work, I have two active directory/domain accounts: username - I log in to my computer with this adm_username - this user is administrator for some servers that I am responsible for We have a ...
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sshd on Lineage OS returns authentication error

I wanted to enable sshd on LineageOS by using this tutorial: https://lisas.de/~alex/?p=237 it seems to work but I just get authentication errors: $ ssh -i ~/.ssh/id_rsa shell@192.168.1.161 shell@192....
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Windows 10 retrain existing fingerprint (or, advanced settings?)

I want to retrain a fingerprint on the fingerprint scanner on my Windows 10 laptop, but when I go to Settings → Sign-In Options → Windows Hello Fingerprint, the only buttons are Add Another and Remove,...
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Cannot add items to the Registry on Windows 10 Access Denied

This looks like a trivial thing but I just can't get the Registry Editor to add items to my Registry. I found this article: https://www.howtogeek.com/262464/how-to-gain-full-permissions-to-edit-...
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How to cryptographically verify the authenticity and integrity of Mozilla releases (Firefox, Thunderbird, etc)

For a given software release published by Mozilla, how can I cryptographically verify the authenticity and integrity of the file that I downloaded before I execute it to install that program? Today I ...
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SMB user not authenticated on a specific workstation. How find and fix?

I have a server (Synology RS-820+ with DSM 6.2.3 OS and File Station application) in the cloud. SMB is active, no WINS specified, SMB min = SMB2, SMB max = SMB3. Few Windows 10 workstations share the ...
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vsftpd login incorrect on suse15

On linux suse15 vsftpd is running, but other linux cannot login to it with following error. wget ftp://10.***/test --2020-11-25 09:46:06-- ftp://10.***/test => 'test' Connecting to 10.**...
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TightVNC suddenly asking for username?

I have a Raspberry Pi with VNC access enabled; then I use TightVNC Viewer on Windows 10 to access it on the local network. In all Windows computers that I've set up, when I try to connect to this RPi, ...
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318 views

PuTTY Fatal Error: No supported authentication methods available

I try to establish an SSH connection with the Linux server of my web hosting provider. I receive the following error when using PuTTY Release 0.74 Build platform: 64-bit x86 Windows: "No ...
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Join a Linux (ubuntu 18.04) Instance to AWS Directory Service (Directory type: Microsoft AD)

I followed the document https://docs.aws.amazon.com/directoryservice/latest/admin-guide/join_linux_instance.html Everything was working fine, but suddenly started to fails. I decided clean all and ...
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Central Windows/linux authantication, without all the AD extras

A have a bunch of windows desktops/laptops/VMs and some linux VMs and a laptop + some finger print readers recently bought. I figured I could setup authentication on one server of some sort and have ...
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Use Power Query to call API that requires Auth & share excel file to non-technical colleagues

I am using Excel2010 Power Query From Web to call an Auth-required API which returns data in JSON. Since this API requires Auth (username and password) to access, I set it in excel's Data Source ...
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Microsoft Modern Authentication keeps getting disabled

I work for an IT Managed Service provider and one of our clients is having authentication issues with Microsoft Office 365. I narrowed the problem to Microsoft deprecating Basic/Legacy authentication ...
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How can I determine when a user logs in to a workstation using a certificate as opposed to a username and password?

We have rolled out smart cards and Yubikeys to most of our users. We need to collect metrics on the usage of these MFA devices. Right now we have custom code that runs on the client that does an OK ...
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WIndows 10 ssh public key auth - server does not accept public key

I'm having both client and server running Windows 10, and did the steps according to the following guidelines in both client and server(ssh-keygen, put pub key in server auth keys file...): Key-based ...
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How to forward request to intranet iis web server authenticate by windows authentication

I have an infrastructure diagram like below: 2 web servers in the intranet hosted SharePoint with windows authentication There is a load balancer to share the workload To allow internet users to ...
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ethernet connection authentication error

Because of where I live, I was having constant wifi problems, so have 2 boosters in place, one upstairs and one down. I have had to switch to an ethernet connection. Phone and desktop are fine but ...
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What should I do to ssh with a key to a remote server from a Linux machine, when I can already ssh from a Windows machine using PuTTY?

From PuTTY, I can ssh log to a remote server since my public key has been "registered" to this server. By now I can access this server through only this computer running PuTTY. However I'd ...
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290 views

Removing WebAuthN credentials from onboard-tpm on iOS/MacOS?

With iOS 14, Apple is now allowing users to use Face ID and Touch ID to authenticate using the Web Authentication API (WebAuthN).This is great - except for one major caveat: being seemingly unable to ...
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Authorise ssh connection without password for multiple servers in a private virtual network

I'm trying to make a private system with four machines in it, lets call them Host - IP 1, Proxy - IP 2, Server - IP 3, Application - IP 4 A user connects to the host via ssh (I have this working ...
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MacOS 10.15 and Cisco Anyconnect private key permissions

In 10.13 in order to connect to our VPN, the private key attached to the machine certificate required the alteration of the key to allow the application to access it. In 10.15 this looks to be the ...
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159 views

Secure login options for a Windows 10 VM running on Hyper-V

I am running a Windows 10 VM using Hyper-V and am attempting to make the Windows login process into the VM more secure. Currently, I am using a local Windows account with an easy to type password. I ...
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How to identify why two-factor SMS messages are never received from certain websites

I have accounts with three financial websites which only offer two-factor authentication codes to be sent via text message or phone call, but when I request codes via text message, the messages are ...
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can TB/Lightning be made to authenticate a remote iCalendar

In TB78, configuring CalDAV with user authentication works fine. However, iCalendar (*.ics) seem to assume no authentication required. The related add-ons are either CalDAV, Exchange, or similarly not ...
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How can I increase the number of retires/attempts for Google Authenticator?

I believe libpam-google-authenticator module in my ubuntu server blocks ssh for sometime when the password or verification code is incorrectly entered for 3 or 4 times by a user. How can I increase ...
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phpldapadmin not authenticating ldap service

I am getting the above error message I pretty sure I am giving correct Login DN and password I want to know how can I troubleshoot and inspect what is going wrong where both the containers are ...
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589 views

SSH server asking for password, but PasswordAuthentication is disabled

what you will see is the current state of a problem I am trying to solve. I restarted sshd before filling the body this question. What I am trying to do: I need to use ssh keys with a yubikey ...
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136 views

Is there a SSHD “Match” Argument for “If user doesn't use pubkey/SSH key auth, do x”?

Is it possible to create a Match argument for when a SSH connection doesn't use a public key for authentication (such as when they use a password instead)? Ideally, I want to run a certain ...
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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", ...
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Remote desktop authentication fails from one client, but not from another

I've been reliably using remote desktop from my Win 10 home machine (VPN using Dual Authentication) to my Windows 10 office machine for months (COVID work from home, very restricted environment at ...
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502 views

How to extend a public wifi?

So I moved in a new building which provides internet like hotels. It's a public network without password you connect to then it forwards you to a page you need to provide your username and password. ...

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