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.

learn more… | top users | synonyms

0
votes
3answers
191 views

Ubuntu Server - User account unable to change password

I am running an instance of Ubuntu Server 12.04 LTS. I recently set it up and began adding user accounts to the server. One of the users can login to the server normally vis public key, however when ...
1
vote
1answer
82 views

Transfer files using authentication

I have the public key with me(the pub file), for using sftp with public key authentication mode. How do i use sftp command for testing transfer file from my machine to the sftp server. For username ...
0
votes
1answer
202 views

SSH: What is the difference between RhostsAuthentication and RSAAuthintication?

What is the difference between RhostsAuthentication and RSAAuthintication? Can anyone give a small example on both of them? If we want to use ssh without password? Which method is more prefer and ...
1
vote
1answer
358 views

Gitorious can not connect to Active Directory (authentication.yml)

I have set up Gitorious. With the local database, everything worked fine. All my log and configurationfiles are included. The problem is when I want to visit gitorious.localdomain when I have ...
3
votes
1answer
1k views

Ubuntu 12.10 - How to change login screen to allow login to active directory domain

So, I have an Ubuntu 12.10 machine that has been joined to an active directory domain. However, when the machine turns on and I am presented with a login screen, I cant just type DOMAIN\user. All ...
0
votes
1answer
524 views

Windows 7: network file sharing password

I'm sharing some files between two Windows 7 computers but, even though I checked the "Turn on password protected sharing". At the same time turned off the "Homegroup" function and checked the "use ...
0
votes
1answer
1k views

Pam Tally Linux to ban users from wrong passwords

I have a major problem with a fedora distribution (17). I don't know how to set up /etc/pam.d/system-auth in order to ban a user after he/she writes the password wrong (3 times) I have read ...
0
votes
2answers
597 views

How can Safari do SPNEGO authentication using default kerberos ticket?

We have a Web site (out intranet site) that uses pass though authentication and signs people in automatically. This application works seamlessly when using a Windows machine. All of our Windows ...
1
vote
1answer
37 views

is it possible to change the way of authenticating linux with the help of a daemon (FC4 particularly)?

I got a pc and a special application installed on it, the OS is FC4 and we don't have root password I tried several random passwords and after 3 times I realized that something fishy is happening ...
2
votes
1answer
167 views

Use a proxy with web authentication

I'm behind a web-proxy that needs me to authenticate on a web page in order to browse the web. It seems to me that because of this authentication page sytem, I can't set up my linux package manager to ...
0
votes
3answers
146 views

Is Windows vulnerable because its sudo equivalent does not require a password? [closed]

On Windows from Vista and onwards, you have to press through an UAC dialog to perform something that requires admin rights like installing or uninstalling programs. On Linux to become root, you have ...
3
votes
1answer
206 views

Firefox on Ubuntu repeatedly asks for password with HTTP authentication

I asked this on Stack Overflow and it was suggested that I ask here instead. I have tried searching for this but nothing I find quite matches my issue. My wife and I run identical setups. We both run ...
0
votes
1answer
30 views

Strange windows networking error code

I am able to connect to an access point with linux (android), and even windows on my laptop. However, my desktop doesn't want to connect to the router. I get the error code 0x8e5e442 in the windows ...
1
vote
0answers
207 views

dynamic ffserver authentication

Ideally I'd like to just be able to add/remove a list of session keys to/from a text file stored on the server without restarting the ffserver instance, but am open to other solutions such as proxies ...
1
vote
1answer
392 views

putty send null

Using Putty, how can someone send a null character, ie \0 I have seen control+@ but that doesnt seem to work. I'm trying to do manual SMTP AUTH: EHLO AUTH PLAIN username\0\0password
0
votes
1answer
165 views

How do I solve a recurring authentication error?

I'm running openSuSE 12.2, a fairly standard install, didn't do anything crazy with it. It pops up a red "Failed to gain Authentication" box in the lower right of the screen every 5-10 minutes or so. ...
3
votes
1answer
106 views

How to make SSH work faster?

I now have SSH daemon on a remote server and SSH client my PC, both running Debian Linux. Currently it uses password authentication. The trouble is that it takes about 5-6 secs (I have not measured ...
0
votes
1answer
219 views

Putty Pageant - key authentification works without running agent

Hello I am using Putty Pageant for using key authentification to remote server. On remote server to which I am connecting I have public key stored in authorized_keys file. Permissions and content of ...
0
votes
1answer
255 views

Block brute-force on server with http auth behind cloudflare proxies

My server is behind Cloudflare proxies. I have configured simple http authentication to restrict access to some server resources. I'm trying to block brute-force attacks on http auth with fail2ban. ...
1
vote
1answer
5k views

How does Windows authenticate domain users without a network connection?

If you have logged on to a Windows machine as a domain user at least once, you can logon to that machine again even if the machine no longer has a network connection. How does this work? I assume ...
2
votes
2answers
93 views

Is there a way to keep ssh authentication open for several scp commands?

I need to copy several small files from a remote machine to a local one. I need to do this several times a day. Currently, I use a script that use scp to copy the files. However, this is slow as every ...
0
votes
3answers
165 views

How is public key authentication secure? [closed]

Many articles suggest that using public key authentication is more secure than using a password. References: ...
2
votes
1answer
2k views

Assigning limited permissions for a temporary domain user to access network systems

I have set up a small Server 2008 R2 domain network at home so I can learn and practice administering it. Lets say I want to create a temporary user account to allow an auditor access to all files on ...
1
vote
0answers
27 views

User management in a multiple server environment [closed]

Need help managing developer authentication on our system. We have multiple CentOS servers (database, Web, Redis, etc.), and it is important to be able to control access to them in a centralized, ...
2
votes
2answers
125 views

Showing images from a secure domain on Thunderbird

I'm receiving emails from our test server which I need to be able to fully view, but the test server is secured with a username and password so the images don't display in my Thunderbird client. Is ...
0
votes
1answer
1k views

Time Machine over network using incorrect realm for kerberos authentication

Question: how can I influence the kerberos realm that Time Machine, or more specifically NetAuthSysAgent, uses? Time Machine backups over the network are failing on OS X 10.7 / 10.8 clients except ...
0
votes
1answer
3k views

level_15 authentication required to view webpage

I manage the website on our own webserver running Ubuntu. As of this morning, whenever anyone (from within our network or outside) tries to view the page, a dialog appears demanding a username of ...
4
votes
2answers
5k views

How to make Internet Explorer automatically login in a certain domain

In IE, when I want to access a SharePoint site, I'm asked for username/password (obviously). Is there a way to make IE know that, when I access a domain XXX, it should use certain credentials? Even ...
0
votes
1answer
239 views

How to set Trac's auth?

I'm deploying a standalone Trac instance and getting stuck at this message when trying to log in: Authentication information not available. Please refer to the installation documentation. I have ...
0
votes
1answer
108 views

What is amsprd0311.outlook.com?

This morning when I opened my mail client I got a message saying that the identity of amsprd0311.outlook.com could not be verified. I tried searching for information about this but I haven't found ...
1
vote
0answers
338 views

How to script SFTP two-factor authentication?

I need to script file transfers between two servers. Local server is RHEL 5.x. Remote location uses two-factor authentication (key+password). Authenticates fine on the key-pair but I can't find syntax ...
1
vote
1answer
44 views

Caching of passwords

I'm using Likewise to connect a Linux machine onto a Windows network. Doing so allows GUI access to the Windows domain through the network file navigator (Ubuntu 10.04 - Gnome). However when this ...
1
vote
0answers
111 views

Encrypting or protecting my ID for all applications

Problem I work in an environment where I have to use my LDAP ID+pass for running various applications as admin, sending emails, or for letting the application access the internet and so on.. A ...
-1
votes
1answer
604 views

Windows 8 login screen doesn't have username saved

My login screen is different from what I see from other Windows 8 and does not have my username/profile picture automatically saved. Here is an example I found online (first green image on the page ...
0
votes
1answer
263 views

Double authenitcation needed with mounting a Nas In Linux Mint

I use the command and am prompted twice: sudo mount //192.168.0.12/volume_1 /mnt/stableNas/ [sudo] password for {myUserName}: Password: I use the same password This works great, but I am ...
2
votes
0answers
721 views

How to fix the authentication error “request-digest mismatch” using cadaver and WebDAV on nginx?

I use nginx 1.3.9 with the extensions nginx-dav-ext-module and nginx-http-auth-digest. The problem seems to only occur when I try to log in with cadaver, it’s possible to access the DAV share with ...
2
votes
0answers
310 views

Is gvfs capable of connecting to WebDAV shares with Digest authentication?

On Ubuntu 12.04 I try to connect to a WebDAV share on the local network, from Nautilus (over http, not https). This works with cadaver and davfs (both of which seem to depend on a library called neon ...
0
votes
1answer
112 views

SSH public key authentication error

I'm trying to ssh to a remote machine using a private key file: id_rsa, however, I'm getting the error: $ ssh -v -i id_rsa user@remote [...] debug1: ssh_rsa_verify: signature correct debug1: ...
0
votes
1answer
515 views

Chrome not asking for proxy password

I told Chrome not to save my proxy password, thinking that, this way, it would ask me for the password every time I launch it, but this is not happening. How can Google Chrome authenticate me even if ...
1
vote
1answer
443 views

Password-less login into localhost

I am trying to setup password-less login into my localhost because it's required for a tutorial. I went through the normal steps of generating an rsa key and appending the public key to ...
0
votes
0answers
58 views

Weird behavior of sudo

I use putty to log in to a remote LINUX machine. (Ubuntu 10) When I log in I have to authenticate myself, that goes on pretty smooth. Whenever I try to use sudo or su though, I experience ...
0
votes
1answer
559 views

/var/log/auth.log not logging failed ssh attempts

I'm trying to go failed (either incorrect username, password, or both) on my server. I changed /etc/ssh/sshd_config from # Logging SyslogFacility AUTH LogLevel INFO to # Logging SyslogFacility ...
0
votes
1answer
4k views

How to automatically supply username and password for proxy authentication?

Some applications don't provide interface to enter username and password for the proxy, hence, can't connect to the network/internet. Is there a way to save the unsername and password somwhere so ...
1
vote
1answer
366 views

Configure OpenSSH to use a non-windows account for authentication?

Is there anyway to configure OpenSSH to use a non-windows account for authentication? I want to create a kind of virtual user, where I can login with credentials I've created specifically to login in ...
3
votes
0answers
3k views

OpenVPN AUTH failure, but login data is correct

I installed OpenVPN on both windows 7 and ubuntu 12.10. In both cases I have the same problem. I have a .ovpn file and a .crt file which I need to connect to the vpn. I also have a username/password ...
0
votes
2answers
603 views

LDAP vs local authentication?

I have many servers over 50. earlier we were using that LDAP authentication. Now we have decided to go to same username needs to be authenticate locally on server rather than LDAP authentication. ...
5
votes
1answer
128 views

Is there any way to create a non-keyboard user authentication method on Windows 8?

Now that Windows 8 supports touch screens, is there some third-part software or even an embedded function on Windows 8 that enables a non-keyboard based method (gestural for example) to unlock a ...
1
vote
1answer
170 views

Sync Users over small home network

I have and run a small home business and I would like to setup my network better; I have to find a way to manage users across my 6 Windows laptops. They all have Windows 7 home/pro. Connected to a ...
1
vote
0answers
213 views

change smart card logon icons to two different icons

We have two accounts mapped to our smart cards, a regular user account, and an admin account. When logging in with our CAC, the logon icons are the same for both, and people are getting confused and ...
2
votes
0answers
292 views

Authenticate Mac OS X Mountain Lion against EL6 OpenLDAP only succeeds for ssh

I'm having an issue with mountain lion authenticating against a CentOS 6 openldap/krbkdc server. I can ssh into the macs in question and I am issued a ticket and all autofs mounts (like the homedir) ...