Use this tag for questions relating to authentication mechanism (i.e. proving to the system that you are you, using passwords, keycards etc.). In general don't use this and the security tag on the same question, unless it is about the security of the authentication process.

learn more… | top users | synonyms

2
votes
3answers
323 views

OpenAM to OpenLDAP to SysAID (LDAP) Authentication

We just began using a new software called SysAid which uses LDAP to authenticate users. We have a client, which uses OpenAM to authenticate their users for a proprietary web application. Our goal, ...
0
votes
2answers
2k views

vsftp user authentication problems

I configured my ftp user's home dir to /var/www and set a password but I cannot login with ftp 127.0.0.1, it keep giving me 530 Login incorrect. Why is this? I'm sure I have typed the password right. ...
3
votes
1answer
289 views

Configure applications to ask for a user:pass behind a proxy

Here's the deal: I'm trying to set up a SQL server with Debian Linux, I managed to install Debian - but I can't get apt-get to work, since I'm behind a proxy. I already managed to setup Iceweasel to ...
2
votes
1answer
14 views

LDAP Authentication on OpenBSD

I'm trying to get an OpenBSD server to authenticate users using the same LDAP server the rest of my home network uses. While 'getent password' lists the users from the LDAP server as expected, I ...
2
votes
1answer
107 views

DSA/RSA keys work with Linux but not HP-UX

I have an NFS mount that I use to log into many Linux/Unix servers. I created a passphraseless RSA and DSA key from with I copied the id_rsa.pub and id_dsa.pub files over to authorized_keys. total 9 ...
2
votes
1answer
242 views

Configure SSL Mutual (Two-way) Authentication

I was asked to do it "Configure SSL Mutual (Two-way) Authentication" and I don't know where to start or how to test it . server and many clients . they can access code on server only if they have a ...
1
vote
1answer
125 views

How to recover from this NIS & NFS client error?

I have a centralized NIS and NFS server on my server. I use this server to control 100 Linux clients, /$home/ directory and authentication are served by the centralized server. The other day in one of ...
1
vote
1answer
94 views

kinit returns error salt type 3 unsupported on FreeBSD 9.1-RELEASE install

When attempting to run kinit to log into a Kerberos V5 realm I get the following error on a default install FreeBSD 9.1-RELEASE kinit: krb5_get_init_creds: salt type 3 not supported Any ideas?
0
votes
1answer
13 views

SASL authentication fails when called from crontab

When I run mbsync from the command line it works fine. But if mbsync is run from the crontab, mbsync fails with this error "Error: SASL(-1): generic failure:". My guess is that mbsync's SASL ...
0
votes
1answer
32 views

Authconfig doesn't find all ldap groups

My (soon to be) admin account is in two groups: # ldapsearch \ > -v \ > -H ldaps://localhost:636 \ > -D "${l_dirmgr}" \ > -w $(cat ${f_dirmgr_passphrase}) \ > -b ...
0
votes
1answer
83 views

Authenticating To Multiple LDAP Servers

Owing to a corporate strategy I am moving human user authentication from an implementation of LDAP locally to a centralized Active Directory domain. The problem is that we have a tightly constrained ...
0
votes
1answer
365 views

Creating MySQL database and user without password

I am building a set of bash scripts which basically prepare apache virtual hosts, git repositories and other stuff on a cloud server. So far so good, everything is working, but a big problem occurred: ...
0
votes
1answer
369 views

Apache mod_auth_kerb: “Key table entry not found”

I want to use the Apache Module "mod_auth_kerb" to implement SSO for a Webapplication. With the following config: <VirtualHost 10.5.3.200:443> #Proxy <Proxy *> Order deny,allow Allow ...
0
votes
1answer
2k views

How to configure Samba to use Windows's login ID?

I'm trying to access the Linux share folder from Windows using Windows's domain authentication. I come across the integration of Windows Active Directory into Samba on a Linux box, thus I have this ...
0
votes
1answer
254 views

Why is my ssh connection unauthorized although I have updated my key on the remote machine?

On my local machine I have a public key stored in .ssh/id_rsa.pub To be able to log in to a remote machine I copy this key using ssh-copy-id: ssh-copy-id user@remote-host On the remote host, I ...
0
votes
1answer
666 views

Certificate extensions in generating and signing certificartes using openssl

References: SSL Configurations for Intermediate certificate How to add my own created certificate authority to system trusted repositories Why I can't find a page which tell me what's the kind of ...
-1
votes
1answer
120 views

How do i deal with HP Device Manager requiring authentication to remove print jobs?

I have Fedora 20, with Gnome 3 Classic, and have installed Okular to read and, especially, print pages from, .pdf files. I want to print only a few pages, but in my frustrated attempts to set this up ...
3
votes
0answers
119 views

WGET - Authenticating root AND all children folders

Before I start the question off, I want to say that a similar question helped me get past the initial login. My issue is as stated below. There's a website that I'm trying to mirror. It is something ...
2
votes
0answers
36 views

Login to Linux using a trusted Active Directory

I'm having trouble to log in to Linux using a trusted Active Directory. The machine is connected to an Active Directory that we are responsible for in the project, but most of the users who will use ...
2
votes
0answers
17 views

Externally authenticate user within PAM session/PAM session within PAM session

Is there a way of properly authenticating a user from within a custom PAM session? I am currently writing my own PAM authentication module which allows the user to login via an external token. This ...
2
votes
0answers
827 views

Setup LDAP client on RHEL 6.5

I am preparing for RHCSA exams and trying to setup LDAP client on my RHEL 6.5 box I am connecting to the online testing LDAP server Here I don't understand the relationship among following 3 files, ...
2
votes
0answers
248 views

recover email from imap account using mailx

I am having problems fetching emails with mailx. My imap account uses ssl/tls connection with normal password authentication on port 993. I don't have any problems sending through smtp though. Here is ...
2
votes
0answers
722 views

Enter user authentication details for a printer?

I have a printer which is configured using the correct drivers. However, the printer requires user authentication (i.e. a username and password) to print. Where are authentication details usually ...
2
votes
0answers
188 views

SSH login from external authentication

Here is what I try to accomplish: I have a server with a git repository. I use ISPConfig as control panel for our websites and I want to integrate the ISPConfig API for email authentication as second ...
2
votes
0answers
1k views

WBC_ERR_DOMAIN_NOT_FOUND only for a specific account

Platform: RHEL 5.10 Version: Samba 3.6.6-0.136 Only on a single VM, one of my co-workers is able to log into the VM using his AD credentials without issue, whereas my account appears to have trouble ...
2
votes
0answers
73 views

luks single signon

I've got LUKS (Linux Unified Key Setup) running on a couple of my Linux boxes. I've looked online but haven't seen anyone document how to make it work in a single signon option, but was hoping ...
2
votes
0answers
187 views

SSL Configurations for Intermediate certificate

I had implement a mutual certificate authentication and it worked successfully for following steps : create root ca (self-signed) create server certificate and sign it with ca private key create ...
2
votes
0answers
1k views

nsswitch cache and nscd

I have an LDAP directory server installed that stores all the user data in one server and I have an ongoing authentication mechanism using pam to request user information from it. This works very ...
1
vote
0answers
35 views

Cannot login to svn server

I have a SVN server on my Raspberry Pi (Raspbian). It has a project under the directory /welcome, I want to add users to it. My users would be admin with password admin and user2 with password ...
1
vote
0answers
546 views

Samba prompts for a password twice

I have a relatively new samba install configured to give Windows users access to some log files on a syslog server ("littleEngineer"). However it's prompting for a password to just get a share listing ...
1
vote
0answers
199 views

Fedora 20. Authentication requires a different password from su

In Fedora 20 (using Mate desktop) I have tried to change the default keyboard layout from US English to UK English, but am asked for "Authentication". The password I have for su is not accepted, and I ...
1
vote
0answers
44 views

How to get the authentication status from the last PAM module run

If I have the following PAM stack: auth required default_pam.so auth requisite my_custom_pam.so .... How do you obtain the authentication status from the last/previous PAM module run for use in ...
1
vote
0answers
82 views

How do I setup kerberos authetication in Fedora 19

I cannnot seem to find documentation on setting up Kerberos authentication on my Fedora 19 workstation. Which files and programs are involved? My Kerberos server is a corporate AD.
1
vote
0answers
197 views

HTTPS Authentication problem : Polipo

I use internet behind http proxy, and that requires authentication. I tried using polipo to bypass the authenticated proxy to 127.0.0.1:9134. Applying these settings to my browser, works fine for ...
1
vote
0answers
121 views

Assigning an identity to an IPsec policy in Linux

Page 36 of RFC2367 (PF_KEYv2 Key Management API) states that when the kernel needs an IPsec security association for an outbound packet, but does not have one, it will ask the key management daemon ...
1
vote
0answers
3k views

SMTP Auth - SASL on Dovecot, Postfix and CentOS 6.2 (and Open-Xchange)

I am trying to get open SASL to work on CentOS 6.2. I followed this tutorial: http://wiki.centos.org/HowTos/postfix_sasl I suspect it works perfectly for CentOS 5.x so all I really need is an update ...
1
vote
0answers
795 views

“No PostgreSQL user name specified” - possible concurrency issues?

For my dissertation I'm running the same cronjob on around 300 machines, which is: 10,25,40,55 * * * * /path/to/db_script.sh 1>/dev/null This script gets some values from the system (whether ...
0
votes
0answers
48 views

Ubuntu remote desktop user using a key-based login

I have an Ubuntu 14.04 LTS set up and I have a which authenticates using a private key to connect via PuTTY. Is it possible to use remote desktop from windows 7 (xrdp) with key-based login?
0
votes
0answers
78 views

While trying to ssh, pam_ldap always sends the password “INCORRECT” causing bind to fail

I installed ldap-auth-client nscd ldap-utils on lubuntu 14.04 running on a banana pi. I can successfully bind as the user using ldapwhoami, but I cannot log in via ssh: Auth.log: Oct 21 02:12:05 ...
0
votes
0answers
50 views

Why on my Linux PPPoE connection displays sometimes authentication failure?

Here is my log: Oct 18 09:51:52 -desktop pppd[2764]: Plugin rp-pppoe.so loaded. Oct 18 09:51:52 -desktop pppd[2766]: pppd 2.4.5 started by root, uid 0 Oct 18 09:51:52 -desktop pppd[2766]: PPP session ...
0
votes
0answers
48 views

pam.d password hardening: nullok

In most all pam.d documentation or linux distributions that I saw, the recommend "secure" configuration for password is the following: password required pam_unix.so sha512 shadow nullok ...
0
votes
0answers
52 views

log freeradius ip address with username

i configured a mikrotik with linux(freeradius+rsyslog+mysql) to authenticate and log users activity. now i want to log users visited urls, but only ip addresses of users and visited urls are logged. ...
0
votes
0answers
50 views

authenticate url with asked credentials

there is a URL http://server, when I open this url it ask for username and password (.htaccess authentication), this URL works fine in browser. This is the webpage not the browser which ask ...
0
votes
0answers
53 views

Samba 3 file sharing access permission problem onWindows

I'm trying to set permissions on a server RHEL v5 whith Samba v3. The configuration of /etc/samba/smb.conf is [project] valid users = proyecto, admin writeable = yes ...
0
votes
0answers
48 views

Hit “sasl_decode error=-1” while sending mail via sendmail server on RHEL

Having installed sendmail and openwebmail on RHEL workstation 6.3, I can send email through webmail(cgi-bin/openwebmail/openwebmail.pl), but failed to interact with sendmail server in Perl script as ...
0
votes
0answers
22 views

KRB5 auth with samba

I'm attempting to setup a samba share on RHEL6 for a group of users. There are quite a few of them with very little technical experience so having them SSH in to reset smbpasswd is asking a lot. We ...
0
votes
0answers
109 views

Get user login name and address on bad login attempt [Dovecot]

Background I am trying to develop a method to ban users who exhibit strange behavior when logging into Dovecot by obtaining their POP-ID/login name and IP address. I want to send that information to a ...
0
votes
0answers
191 views

Log in using a 4-digit PIN, with a password fallback

Windows 8 has this feature where you can log in with a 4-digit PIN which is really convenient. Is there such a thing in Linux? In Windows 8, you get five attempts to log in using the PIN, then it ...
0
votes
0answers
280 views

Sendmail authentication

when I try to send email from my new system: Distributor ID: Scientific Description: Scientific Linux release 6.4 (Carbon) Release: 6.4 Codename: Carbon with sendmail Version 8.14.4 I have this ...
0
votes
0answers
117 views

How to determine the sequence of ordering certificates by browser?

I did a Mutual Certificate Authentication implementation with OpenSSL and Apache Web Server on CentOS platform. To simple explanation see this diagram: ---------- | ...