A process of proving that an entity (commonly a user or organization) is who they claim to be, or who they were previously identified as being. Authentication does not guarantee that particular entity's identity absolutely, it just proves that they are the same agent that has previously successfully ...

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0
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1answer
790 views

ldap-authentication without sambaSamAccount on linux smb/cifs server (e.g. samba)

i'm currently running samba-3.5.6 on a debian/wheezy host to act as the fileserver for our department's w32-clients. authentication is done via OpenLDAP, where each user-dn has an ...
0
votes
1answer
13 views

Danted Socks Proxy with Authentication

I've been trying to set up a SOCKS proxy on linux with danted. I have the proxy working perfectly without authentication, but when I try adding in authentication with both method: username and method: ...
1
vote
2answers
53 views

Allow only first login to ssh with password

I would like to allow to first remote login via ssh using password for a new users. After that authentication should be restricted to public key. How to deal with that? I mean how to restrict second ...
2
votes
2answers
110 views

freeradius two factor without factor concatenation

I have a cisco router providing an SSL VPN server which is talking to freeradius, which in turn uses pam and two pam modules (sss & yubico) to provide two factor authentication for the VPN. All ...
0
votes
1answer
744 views

Custom 401 Page - 401 Authorization Required error was encountered while trying to use an ErrorDocument to handle the request

I cannot for the life of me work out why this isn't working. I have 2 apache directives. My entire site should require authentication except for the login page which everyone should be able to access. ...
1
vote
1answer
16 views

Postgres SSPI authentication on Windows

I'm trying to enable windows authentication for Postgresql 9.3 (Windows x64 not in domain, UAC is disabled, my account is local admin). The one click installer set the server running under ...
5
votes
4answers
64 views

sshd logging attempts to login without a private key

On my VPS, running Debian 7, I have ssh enabled on the default port 22 with only private key authentication enabled, all other ports are filtered with iptables. I am frequently getting login attempts ...
0
votes
1answer
192 views

IIS / kerberos not prompting for credentials from Mac clients

I have an IIS server (Server 2008R2/IIS 7.5) configured for kerberos authentication. The kerberos authentication works from clients on Windows (IE and Opera both tested), but when I access the site ...
1
vote
0answers
122 views

Cant find Forms Based Authentication Service

I installed Exchange 2013 on Windows Server 2012. After restarting the Host I could not login into owa or ecp the login screen showed up but after entering my correct credentials I would get a HTTP ...
2
votes
1answer
77 views

nginx: understanding the purpose of auth_http (IMAP proxy)

I would like to send IMAP client requests to an IMAP back-end via an nginx proxy. According to the the mail_auth_http module, a directive auth_http has to be used in order to authenticate the clients. ...
0
votes
1answer
25 views

Authentication options for staging sites

We're currently authenticating our clients who wants to view their staging environments using windows authentication. That means we have to create their accounts in our local AD and assign them to ...
0
votes
0answers
6 views

User under windows server AD access Linux server using kerberos

I installed AD on windows 2008 r2 sp1 server . And had configured all things follow the issue http://msdn.microsoft.com/en-us/library/ms995329.aspx ...
0
votes
1answer
1k views

DCOM Authentication Fails to use Kerberos, Falls back to NTLM

I have a webservice that is written in Classic ASP. In this web service it attempts to create a VirtualServer.Application object on another server via DCOM. This fails with Permission Denied. However ...
0
votes
0answers
11 views

Squid auth_param basic program - not allowing network requests?

I'm using auth_param basic program to run a Python script that connects to a database on another server. If I run the script myself it works fine, but when Squid runs it, suddenly authentication ...
1
vote
1answer
69 views

Token error when trying to change password through pam-mysql

I am currently preparing a machine for a web hosting service, and I decided to use MySQL to store all our users (since the rest of our services use it already). For that, I am using libnss-mysql and ...
1
vote
3answers
1k views

How to use PAM to limit failed login attempts by IP?

I'm working through a process of hardening my server security against the daily hacking attempts that arise the moment you attach a server to an IP and give it a domain name. I get anywhere from 1 to ...
1
vote
1answer
1k views

ASP.NET Website Administration Tool: Unable to connect to SQL Server database

I am trying to get authentication and authorization working with my ASP MVC project. I've run the aspnet_regsql.exe tool without any problem and see the aspnetdb database on my server (using the ...
4
votes
4answers
2k views

Cisco ASA user authentication options - OpenID, public RSA sig, others?

My organization has a Cisco ASA 5510 which I have made act as a firewall/gateway for one of our offices. Most resources a remote user would come looking for exist inside. I've implemented the usual ...
2
votes
2answers
43 views

Apache 2.4 + SVN authz authentication with mixed authenticated/anonymous access

I'm using Apache 2.4, and I wish to use it without mod_access_compat. I'm trying to serve SVN repositories, with access control handled by mod_authz_svn. I want some repos or locations within repos ...
0
votes
1answer
20 views

Allow ssh access to git pull on remote machine

We have a server with some of our git repositories on and I would like to be able to clone one to our webserver (which runs debian). I ran ssh-keygen on the webserver and copied the public key into ...
3
votes
1answer
30 views

Apache LDAP Authentication with AD Subgroup

I am trying to authenticate using an Active Directory User on a Website running on Apache. My Setup Active Directory: User "steven" is a member of the group "staff". User "cindy" is a member of the ...
4
votes
2answers
2k views

postfix sasl “cannot connect to saslauthd server: No such file or directory”

I try to setup postfix with smtp authentication. I want to use /etc/shadow as my realm Unfortunately I get a "generic error" when i try to authenticate # nc localhost 25 220 mail.foo ESMTP Postfix ...
1
vote
1answer
1k views

PostgreSQL pg_hba.conf with “password” auth wouldn't work with PHP pg_connect?

I've recently experimented with the settings in pg_hba.conf. I read the PostgreSQL documentation and I though that the "password" auth method is what I want. There are many people that have access to ...
8
votes
2answers
3k views

Is SSH Key Exchange more secure than password authentication?

Remote users connect to several services at our main office over the internet using SSH. The SSH password is synchronized with their LAN A/D account. Would having users bring a copy of an SSH key ...
0
votes
2answers
960 views

Mail server: SASL authentication failure - Postfix + Dovecot + Mysql

I tried to set up my own mail server (postfix, dovecot, mysql, ) and I can connect via imaps/pop3s without any problems. But every time I try to connect to the SMTP server (e.g. with the Apple Mail ...
0
votes
1answer
27 views

Can't access secure site using Windows Authentication from server 2012

I apologize if this is the wrong site for this question, but I honestly don't know what component of this setup is causing the problem. I have a server running Windows Server 2012. It is running TFS ...
1
vote
1answer
68 views

IIS 7.5 Windows authentication not working externally

I'm trying to connect to a asp.net website we have created. It uses Windows authentication and it denies access to non authenticated users web.config: <authentication mode="Windows" /> ...
1
vote
1answer
819 views

Failed to bind to server ldap://<ipaddress> Error: Can't contact LDAP server

We are running a Linux 2.6.32-431.3.1.el6.x86_64 kernel and keep seeing the following messages in /var/log/messages periodically showing up on our user space server. When the messages appear we also ...
0
votes
0answers
20 views

Apache ErrorDocument 401 not prompting for credentials unless set to default or string

I am attempting to throw together a dynamic customer errordocument (php) which looks at $_SERVER['REDIRECT_STATUS'] to determine the error message to display. At the moment I am utilizing ...
0
votes
1answer
828 views

Postfix MySql Dovecot - SMTP Authentication Failure

Hello I have a Postfix setup with Dovecot and MySql. The server is running Debian Squeeze. The MySql server is a slave that has data pushed to it from a primary (postfix) mail server(running a ...
-2
votes
1answer
29 views

Two-factor authentication via mobile phone on Windows Server

Is it possible to set up two factor VPN authentication on Windows Server 2008 R2? In other words: when someone tries to connect to a corporate VPN, they are sent an SMS with a code, which they then ...
1
vote
2answers
991 views

How to cache authentication in Linux using PAM/Kerberos authentication (for CVS)?

We have several Linux servers that authenticate Linux user passwords on our Windows Active Directory Server using PAM and Kerberos 5. The Linux distro we use is CentOS 6. On one system, we have ...
0
votes
1answer
646 views

LDAP authentication apache 2.2 error 500

This is my LDAP configuration in Apache2.2.x Order deny,allow AuthType Basic AuthName "Test" AuthBasicProvider ldap AuthLDAPURL "ldap://dc1.domain.com:389/DC=domain,DC=com?sAMAccountName" ...
1
vote
3answers
711 views

Keep getting login requests for ASP.NET app running in IIS 7.5

When I try to access an Intranet site from a client I get asked to login all the time. Then I get a 401.3 error. The site works fine locally on the server. The site has its own app pool, Managed ...
3
votes
1answer
35 views

SSH authentication mode selection

I am trying to figure out the SSH mechanism used while I try to ssh onto a production host. I see that the SSH client can choose among the available modes. But I'm not sure which mode is chosen and ...
21
votes
13answers
35k views

How to create an SHA-512 hashed password for shadow?

The previous SF questions I've seen have lead to answers that produce MD5 hashed password. Does anyone have a suggestion on to produce an SHA-512 hashed password? I'd prefer a one liner instead of a ...
0
votes
1answer
31 views

OpenLDAP server network architecture and hardware requierments [closed]

I would like to know your opinions and experience while setting-up a centralized authentication server using OpenLDAP. Currently a have a few hosted servers running a few services (email, webapps, ...
3
votes
3answers
3k views

Meraki wireless access point disconnects clients

We have a Meraki MR16 Cloud Managed AP and it disconnects certain clients. The clients with Intel wireless cards work without any disconnects. The Meraki reports the follow in its event log: Sep 4 ...
0
votes
1answer
91 views

Basic username-password authentication on gitorious

I recently set up my own server that is supposed to host some git repositories. I installed gitorious there. It is almost perfect. The one thing that I am struggling with right now is how can I make ...
2
votes
1answer
2k views

A single AD user can't log into a single Mac bound to the domain (DirectoryServices error). How can I resolve this?

On our campus, we have about 60 Macs joined to our Active Directory domain. Most users have no problems logging into Macs, as long as their accounts are configured correctly. However, we have one ...
4
votes
2answers
200 views

Overriding Parameters in Previously Declared Puppet Resource

I'm attempting to rebuild nwaller's sssd puppet module to be entirely LDAP based and to be a little cleaner. In it we have a resource defined for each authentication domain of the form define ...
1
vote
0answers
40 views

Add single sign-on into existing web app

Apologies if this isn't the best site, I've search for an answer but can't find anything quite right. I don't actually know the correct terminology I should be using here, so any pointers will be ...
0
votes
0answers
19 views

Can't match up timeout of session and forms authentication in IIS 6

I've got a site running on IIS6. The session timeout in web.config is set to 720. The forms authentication timeout in web.config is set to 720. I'm using SQL Server session state. Despite this, I ...
1
vote
2answers
4k views

Copying files to a different domain, where no trust relationship exists

I have the the following setup. 1 x host machine situated in DOMAIN A 1 x PDC in a VM running on a host only network adapter running its own AD Forest (DOMAIN B) 1 x Server running in DOMAIN B, this ...
0
votes
0answers
40 views

Configuring a RADIUS server over a Cisco Switch

I am trying to set up RADIUS authentication over a Cisco switch and I have gone through every tutorial they have. I am able to get the RADIUS server to authenticate when I access the CLI of the Cisco ...
1
vote
0answers
20 views

HP Command View: Could not find authenticator for Security Domain

I have some HP EVA storage arrays. They are monitored via Command View - the HP management product. Of 8 management servers, a grand total of one will not let me log in using 'domain' credentials - ...
0
votes
1answer
1k views

Postfix SMTP-relay server against Gmail on CentOS 6.4

I'm currently trying to setup an SMTP-relay server to Gmail with Postfix on a CentOS 6.4 machine, so I can send e-mails from my PHP scripts. I followed this tutorial but I get this error output when ...
1
vote
1answer
385 views

Authenticating Active Directory Users to Mac OS X Mavericks Server L2TP VPN Service

We have a Windows Server 2012 Active Directory Infrastructure that consists of two domain controllers. Bound to the Active Directory Domain is a Mac OS X Mavericks Server 10.9.3. The server runs ...
-2
votes
2answers
3k views

Is there a Windows command line utility to verify user credentials?

On a Windows platform, is there any command line utility that I can pass a username, password domain name to in order to verify the credentials (or possibly give an error that the account is disabled, ...
0
votes
5answers
2k views

How can I disable the windows authentication mode of SQL Server

How can I disable the windows authentication mode of SQL Server and restrict it to ask for username and password every time, with no windows authentication?