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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How can I convert a domain controller account to local account for forensic analysis?

I am doing a forensic analysis of a Windows machine that has multiple local accounts but have a domain controller or active directory account. I can analyze the files of the user because the files are ...
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30 views

X509 certificate that can only be installed on a particular machine

Is it possible to create a certificate that will not install on a machine other than its intended one? (Using some hardware fingerprint embedded into the cert?) Or alternatively, is there a way to ...
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1answer
236 views

Nginx auth_request fires multiple times, why?

I have a simple proxy which requires an auth_request subrequest for authentication. Authenticated users are then proxied to an s3 url to download a file. What I am seeing however is it appears the ...
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43 views

Passphrase when creating authentication keys for SSH server

It's clear to me why I would use a passphrase on my clients authentication keys, but what's the purpose of a passphrase for my server authentication keys? I've read trough a tutorial, where the ...
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151 views

Zywall USG 100 - How connect to modem interface?

I have an Zywall USG 100. My modem have this ip: 192.168.1.100 and is connected into WAN1 port on the Zywall. The Zywall have this ip: 192.168.1.1 I used the "quick configuration setup", and all ...
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1answer
56 views

Linux bootup only with USB dongle

I am currently trying to figure out if there is a way to make Linux only boot if a specific USB dongle is present in one of the USB ports. I tried to find a solution on the internet but couldn't find ...
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1answer
327 views

Google Chrome proxy settings with Username and Password

I am able to use Google Chrome under Linux Mint behind a proxy. But when the browser starts, each time I have to enter the username and password for the authentication. Is there any way I can set the ...
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4k views

RADIUS server is not responding. How does it work, and how can I bypass?

First, let me set the stage here. I am in a short-term apartment rental in a building that offers wifi access (through a provider) for $30/month. This service operates a lot like a hotel wifi service....
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1answer
139 views

lxqt polkit asking for root's password when account is locked

pkexec asks for the root account's password. But the account is locked, it doesn't have a password. Therefore it fails. It's easy to change this behavior in gksu. I don't know if I just suck at using ...
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1answer
271 views

How to configure pam to use with two different passwords?

Goal: I want to configure pam to use regular user password (pam_unix.so) and extra password. (with success only when I type both passwords correctly and deny (pam_deny.so) in case I type only one ...
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1answer
3k views

ssh -o PreferredAuthentications: What's the difference between “password” and “keyboard-interactive”?

Both PreferredAuthentications=password and PreferredAuthentications=keyboard-interactive would prompt for the password, so what's the difference between them? I Google'd with the keywords ssh ...
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217 views

Remember login/passwords for Authentication popup windows in Chrome

The Safari provides checkbox to save login and password in keychain for such forms. So, Is it any way to save login/password in Chrome?
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55 views

How to authenticate with git?

I have been provided with connection details to a git server: http://hgk:hgk_499@git.server1.org/clients/app_server1.git I have downloaded a git client and after entering the server as: http://git....
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119 views

tuleap plugin jenkins / hudson accessing

please I wanted to know if it is possible you can help me, I am learning the product and have the plugin jenkins to connect my projects and see the buildings, but my jenkins this authenticating LDAP, ...
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1answer
299 views

how to control users login on Linux machine according to configuration file

I use the PAM to authenticate users login info from - http://linux.die.net/man/8/pam_listfile in my Linux red-hat machine I have 5 diff users user1 user2 user3 user4 user5 I want to enable ssh ...
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76 views

FireFox SSO session used by Windows for further authentications?

On our document management system we use SSO and I also configured FF for auto login. Now that I extended the DMS with a feature which should load content from the Repository via SharePoint-Module in ...
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48 views

Unable to connect to networked printer

I am trying to connect from another computer on the network but i keep error message saying the user account doesn't have enough privileges despite not having changed any settings/passwords and other ...
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220 views

Two-factor authentication without a smartphone or peripheral device? [closed]

Believe it or not, but I don't have a smartphone. Or, maybe I do, but I don't want to have to whip it out just to log in to every site I use if I trust my home computer (or personal portable laptop) ...
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1answer
548 views

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 ...
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1answer
52 views

Linux Scripting - SSH Authentication - Limiting Fail Attempts [closed]

I have a script that reads an input file with twenty command lines to be tested against remote servers through SSH command line and I need your help to find out how to limit the ssh login attempts in ...
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2answers
344 views

is there a system that will redistribute a WiFi signal

Where I live we have community WiFi and it is authenticated with a password via a browser. This all works just fine on my Android/iPhone devices but I have a Blu-Ray device and a couple of Nintendo ...
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1answer
189 views

LDAP configuration is not working for redmine

We have a set of ubuntu machines which authenticate using LDAP. I have installed redmine application in one of the ubuntu machines and configured using the redmine ldap configuration. It seems to go ...
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1answer
123 views

Authentication requests for HTTPS calls through an HTTP proxy

Am I right in thinking that if you have a service protected by SSL on the other side of an HTTP proxy which requires authentication that: You authenticate using HTTP sending an unencrypted (albeit ...
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3answers
325 views

Kerberos and LDAP complex relationship

I have problems understanding the relationship between LDAP and Kerberos (Conceptually). I understand LDAP as a directory service, and Kerberos as an authentication service. We also know that LDAP ...
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3k views

Samba, winbind and AD authentication: username is invalid on this system

I am trying to set up a file server with Active Directory authentication using Samba and Winbind. Domain controller is Windows 2000 SP4 (don't judge). File server is Debian 7.7 (latest stable). This ...
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1answer
26 views

SVN per repo authentication

I have several repos and have set a password for all the users in /etc/apache2/dav_svn.passwd with htpasswd command. I would like to set per repo authentication for every single repository. By the way,...
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2k views

Authenticate Zimbra Domain with Zentyal Server (using External LDAP)

I have installed and configured Zimbra 8.5 and Zentyal 4.0. Now, I am trying to let Zimbra Authenticate form the Zentyal LDAP server. The base Domain name is mycompany.local. Can anyone please give a ...
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1answer
115 views

Automated file transfer using challenge-response authentication method [duplicate]

Doing SCP to a remote server to put the files. While we do that, we need to authenticate to the remote server using the challenge-response authentication method where we have a separate authentication ...
2
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150 views

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 http://serverfault.com/questions/...
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1k views

How do I change or add a user for BIOS fingerprint reader in HP pro book 6540b

I have a HP pro book 6540b with fingerprint reader. I recently re-installed windows 7 (full hd wipe). I was planning on giving the laptop to my wife. But, before windows even starts to load the user ...
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1answer
454 views

openssh server not able to root login

I have root filesystem(compiled using Buildroot). I start openssh server by executing /usr/sbin/sshd. /usr/sbin/sshd uses /etc/sshd_config to configure itself . The parameters enabled in /etc/...
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1answer
74 views

Why Access denied when removing files/folder on Windows

What does really happen when I try to remove a folder on windows (7, 2008, 2012) and get the "famous": You need permission to perform this action ... Folder Access denied What I've done : I ...
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1answer
118 views

Which HTTP Authentication used?

I need a way to find out which HTTP Auth mechanism is used for a particular website/web-server, which is responding to my HTTP request. I am open to use any browser, or any other tool (like Wireshark)....
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96 views

Automate Interactive method of authentication for file transfer

Interactive method of authentication There is a server A and Server B Server A is the File Transfer server It has the files stored in it and we issue command scp admin@IP of REMOTE server/...
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2answers
6k views

getent passwd doesn't work; CentOS 7 and SSSD LDAP authentication

I installed CentOS 7 on a brand new server. All my servers get end user authentication through LDAPS on various system as RHEL5, Debian, and Solaris. I noticed there is a new layer on CentOS 7 which ...
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2answers
11k views

How to stop cloudflare authentications when visiting a site?

I have multiple systems running in the same network, but when I try to visit some websites, I always get the Cloudflare authentication captchas. It is really irritating, because I don't face it in my ...
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1k views

mr.google.com at email header

Some email headers show : Received-SPF: pass (google.com: domain of //////////@gmail.com designates 10.180.106.10 as permitted sender) client-ip=10.180.106.10 X-Received: from mr.google.com ([10.180....
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1answer
173 views

RDP client (mstsc) can't log in to any server

RDP Client suddenly stopped logging in to any RDP server. I'm sure that my credentials are right; I can log in via Remmina on Linux, but can't do it on Windows native TSC. I tried to remove ...
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1answer
51 views

Authenticate User's Unix Credentials via Web Browser

Can anyone give me tips on how to authenticate a user's Unix credentials through the browser? I am basically giving access to some file viewing and I want to make sure the users are authenticated but ...
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1answer
646 views

Kerberos failure emergency: need to filter a Wireshark capture to show only Kerberos and SPNEGO traffic

I am attempting to troubleshoot a serious Kerberos authentication problem on our SBS 2003 domain (none of our Windows 7 or XP workstations can authenticate). We have logged failed Kerberos ...
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1answer
250 views

Emulate an LDAP-Authentication based on IMAP

Is there a way to emulate a LDAP-Server while in the background authenticate against an IMAP-Server? Explanation: I'm running some services in in our local network like Git, SVN, Seafile and ...
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94 views

LDAP role/group membership

We have many users registered in our LDAP auth. So far we've only stored login and mail-related information in this LDAP. In our main application (Play! Framework), we needed to modelise roles (...
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1answer
32 views

clarifying mac adress validation using a wireless router

I have access to an ethernet port which requires a mac address validation and the system only allows one value to be registered at any given time. If I use a wireless router and register its mac ...
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1answer
91 views

Command or Batch file to see when a remote computer last authenticated to the network

I am trying to clean up my AD OUs and have some unpingable computers. So I was wondering if there was a command I could run to find out when the last time those computers last authenticated to the ...
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1answer
2k views

Firefox 31 keeps asking for Proxy Authentication

I read a lot of questions through the internet about this, but I didn't find any one that worked for me. In Options>Advanced>Connection I have chosen the Manual Proxy Configuration, I have entered my ...
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83 views

Can't log in to SVN server

I have an SVN server on my Raspberry Pi (Raspbian). It has a project under the directory /welcome, and I want to add users to it. My users would be admin with password admin and user2 with password ...
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1answer
286 views

Wget - Problems recursively downloading with authentication

So I'm trying to download the entire domain of a private wiki page. I've saved the cookies in a cookies.txt file and using it with wget for authentication like so: wget --load-cookies=cookies.txt --...
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1answer
151 views

Allowing authenticated access to a site without giving credentials to the local users

I'm administrating a company where we have a single account with a service website and we would like users to be able to access that website as if they were authenticated with the company's account. ...
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2answers
293 views

Can a client server host multiple private ssh key for same profile?

I have a client who is using Tectia Client to connect to our UAT. They created a ssh pair and imported the private key to the profile they are using to connect,and passed us the public key. Now we ...
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81 views

Postfix auth with username containing an at sign?

How can I configure Postfix so that a user sending an email can authenticate with a full email address containing an at sign (@) and a TLD, such as "info@mydomain.com"? Currently my "info" account is ...