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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Chrome & Firefox keeps asking for proxy server authentication

My company's intranet proxy server is manually configured with a certain port(8080) and address(proxy1.xxx.com). But Chrome and Firefox browsers keep asking me for proxy server authentication every ...
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2answers
1k views

Changing AuthorizedKeysFile to anything other than default does not work

I am trying to perform paswordless key based authentication. In ssh_config on the server to which I am trying to upload the files, when AuthorizedKeysFile .ssh/authorized_keys I am able to sftp ...
2
votes
1answer
649 views

Keep GnuPG credentials cached for entire user session

GnuPG can, with gpg-agent, cache access to a private key. How can I keep that cache active for the entire user session? When I unlock the key for gpg-agent, it only stays cached for a limited time. ...
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vote
2answers
5k views

NPM install doesn't work from behind our proxy which requires authentication - tried config set proxy=

This is a problem running the Nodejs package manager (NPM) on Windows in an network running ActiveDirectory - and the problem seems to be because I'm behind a corporate proxy. I want NPM INSTALL to ...
2
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0answers
1k views

MySQL root user localhost issue

I have a MySQL server (5.6) running on a virtual Debian box on my local computer. Connecting to MySQL from the localhost command line via the following command worked as expected: mysql -uroot ...
0
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1answer
195 views

VNC Locking Up After Authentication Failures

I have VNC server set up on a Mint machine and need to have 1 or 2 users access a program on the server. It's all working except that the port is getting NUMEROUS attempts to login to VNC from all ...
-1
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1answer
286 views

How to use Puppet to synchronize user passwords across servers? [closed]

I've been assigned to use Puppet to synchronize user passwords across an arbitrary number of servers, so that a user can change their password once and have that change pushed out to an arbitrary ...
0
votes
1answer
1k views

How can I share a folder that needs credentials to view the contents on different workgroups/domains

I would like to share a folder on my personal laptop so I can access it through the network in my work environment but would like some form of authentication so that not just anyone can view the ...
0
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1answer
570 views

Login to site with Windows Authentication through a browser other than IE

When I try to access my company's web application through a browser other than IE, I am getting a Windows Authentication error: "Database connection failed for COMPANY\USERNAME. Login failed for user ...
7
votes
3answers
724 views

Three-step authentication?

I'm using Ubuntu. I'm just wondering if it's possible to have libpam-google-authenticator (which lets you log in using a code generated by your phone) AND certificate authentication set up to work ...
0
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1answer
410 views

How can I obtain login credentials for ISPs that have WiMAX publib access points?

I'm using a computer that is connected to an SSID named "xfinitywifi". I'm almost positive that it is a public wimax access point, but I don't think that information is relevant to this question. ...
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1answer
723 views

Using pwauth for authentication with SVN on RHEL6

We have recently installed SVN 1.6.11 and are attempting to run it using the Apache server (2.2.15) after finding svnserve to come up short of our needs. Our system is RHEL 6, and we would like to ...
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1answer
57 views

Why is my email address removed at the end of my matching public key file?

I tried ssh-ing to a server that uses RSA verification. I was already able to ssh to this server months back but I find out that I can't do so today. I investigated the keys in my computer. I emailed ...
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1answer
944 views

How to connect to a computer on LAN using some other account then earlier used?

I have 7 computers on the LAN in a small home office, and one of the computers PC01 has data that will be accessed by other users. Till now, all I had to do was share the relevant folders with ...
2
votes
1answer
1k views

The Login is from an untrusted domain - domain setup with computer level login

I have a SQL Server 2008 R2 database I'm attempting to connect to using ADO.NET using integrated security in the connection string. The database resides on a 64-bit Windows Server 2003 machine. The ...
0
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1answer
101 views

ssh: authenticate only with rsa key

I am setting up ssh from OS X to a Ubuntu virtual machine (Virtual Box). I tried to set up key-based authentication, following the instructions here. Now there is a problem. When my VM server is up ...
1
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1answer
2k views

su not working when non-root (authentification failure)

On a VPS I own (hosted at bluevm.com), I have three users: userone, with password foo, and sudo rights. usertwo, with password bar, without sudo rights. root, with now password (deleted with passwd ...
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2answers
1k views

Ubuntu cant login as super user Authentication failure,for a previously accessed password

i cant login as super user using su command ,previously it was successful and i am sure that password is correct,previosly there was an issue by changing file permission of www folder and i follow ...
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1answer
553 views

How to disable/setup same name and same password authentication between two windows PCs on the same network?

My Experiment I set up a simple network with two computers, both on the same work group. I created a local user 'A' with password 'A' on Computer 1. And then I created an identically named local ...
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0answers
8 views

How to disable/setup same name and same password authentication between two windows PCs on the same network? [duplicate]

So I set up a simple network with two computers. Both of them are in the same Workgroup. I Created a LOCAL user 'A' with password 'A' in Computer 1. And then I created an identical named LOCAL ...
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0answers
133 views

Authenticity of host can't be established; can I add a key or something?

So I get this message sometimes when SSHing to my home machine from my work machine: The authenticity of host '172.20.60.172 (172.20.60.172)' can't be established. RSA key fingerprint is ...
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0answers
187 views

Configuration of mod_authnz_ldap to work with Active Directory

Please help to find a good tutorial / step by step instructions how to configure mod_authnz_ldap to work with Active Directory (I use Apache 2.2). Apache provides good documentation, but I want to ...
2
votes
1answer
2k views

PowerShell Remoting using CredSSP is broken

I recently had PowerShell working perfectly with CredSSP, but now every time I try to establish a remoting session using CredSSP, I'm getting the following error: Enter-PSSession : Connecting to ...
1
vote
1answer
443 views

How to get Windows 7 to auto-login a user based on presence of wifi or bluetooth device?

I want to avoid the tediousness of typing the password for my user account on the many times each day that it wakes from sleep, but I want it to require the password whenever it's possible that it has ...
0
votes
2answers
132 views

Disabling SSH passwords for all users except one

It's easy enough to disable password authentication for SSH as a whole, but is there a way of allowing one user on the system the ability of logging in with a password? The reason for this is we have ...
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2answers
65 views

Evidence of website content

I would like to save the current state of a publicly available website as (non legal) evidence in a fairly authentic way. Is there a website/application for this? Like they store the MD5 hash of the ...
0
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3answers
204 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 ...
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1answer
94 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
265 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 ...
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1answer
454 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
2k 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
612 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 ...
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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
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2answers
889 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 ...
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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
192 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
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3answers
148 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
262 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
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1answer
31 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 ...
2
votes
0answers
257 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 ...
2
votes
1answer
600 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
179 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
127 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
282 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
303 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. ...
2
votes
1answer
6k 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
102 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 ...
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3answers
174 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
3k 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 ...
2
votes
2answers
130 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 ...