A password is a collection of characters that is used, usually in conjunction with a username, as a means of authentication.

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CentOS PAM unable to open /etc/pam.d/system-auth

In gdm I have checked "Require smartcard login" but forgot about adding any smartcard for authentication. Then I've tried to boot from LiveCD and disable SC auth. Something went wrong and now I am not ...
3
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1answer
388 views

How to deal with passwords during automated deployment? [closed]

As responsible admins we know of common weaknesses like CWE-260: Password in Configuration File http://cwe.mitre.org/data/definitions/260.html CWE-522: Insufficiently Protected Credentials ...
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9answers
9k views

How to hide a password passed as command line argument?

I'm running a software daemon that requires for certain actions to enter a passphrase to unlock some features which looks for example like that: $ darkcoind masternode start <mypassphrase> ...
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1answer
43 views

Reduce unwanted “connect to network” attempts with wireless password [closed]

My university recently added a 5-digit (WEP) network password to their wireless network. (This is in addition to a login page that requires university credentials.) I emailed them, and they said the ...
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3answers
6k views

proftpd gives 'login incorrect' error

I have had proftpd installed for a while now but since today I can not sign into the ftp server. I keep getting the error 530 login incorrect. I restarted proftpd in debug mode and got the below ...
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2answers
80 views

Security in users having sudo access

How to protect my passwords list (in different databases for example) in a UNIX environment where most of the users have sudo access to other user IDs? I have a script (main.sh) with the following ...
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2answers
164 views

Force domain password change in the future?

I want to force all my domain users to change their passwords, but I want it to happen on a specific day in the future. Is there a way I can automate that today, either using a GPO or PowerShell ...
3
votes
1answer
17k views

How to disable user's password via puppet securely?

I have my SSH servers setup to use only Public Key authentication with password authentication disabled. When adding users through puppet I would like to disable user passwords. So far I have came ...
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1answer
185 views

SFTP password wrong from remote, but not from local

From my server, connecting to it via eth0 (not localhost), I can connect via SFTP: Apr 9 10:02:40 domain sshd[11526]: Accepted password for test from 1.x.x.x port 45335 ssh2 From a remote ...
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1answer
69 views

Storing unencrypted web app / WordPress passwords - explain to a client

I have a problem with a client who is complaining about a WordPress installation having an unencrypted MySQL database password in the wp-config.php file. I've tried explaining this to him by stating ...
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1answer
684 views

Changing password in OpenVAS command line

I've been trying to find the right OAP command for changing the password for OpenVAS users. It is possible to change it the Greenbone Security Assistent interface. But i can't find it for doing it ...
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0answers
120 views

Passwordless public key is not working

this is my fist help ask here despite being a daily reader in order to learn. I am working on a Unix environment (both Solaris and Aix servers) and my public key suddenly stopped working after ...
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1answer
308 views

pam_cracklib: preventing users from using passwords that contain common words

We would like to prevent users from using words such as the organisation name or their username as part of the password. The default behaviour of pam_cracklib when given a dictionary seems to be to ...
4
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2answers
116 views

Best practices for updating passwords on a large number of machines running Windows Server 2012?

I'm going through the process of updating passwords on a dozen or so machines running Windows Server 2012 over RDP from an Apple keyboard. I can't press CTRL ALT DEL or CTRL ALT END because those ...
46
votes
8answers
4k views

Is it OK to set up passwordless `sudo` on a cloud server?

I love the idea of accessing servers via keys, so that I don't have to type in my password every time I ssh into a box, I even lock my user's (not root) password (passwd -l username) so it's ...
3
votes
1answer
2k views

When does password expire when unchecking “Password never expires”

On a Windows Server 2008 R2 AD, if you uncheck the account option "Password never expires" on a User Account, does the password expire instantly, or does it get set to the period defined in the ...
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1answer
619 views

Combination of SSH key auth, and two-factor authentication

I was wondering if it is possible to accomplish the following, all at the same time: Disable root logins Enable SSH login for personal user, only via SSH keys Enable SSH login for unprivileged user, ...
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1answer
83 views

Password change reminder Ubuntu

I have an encrypted hard drive on my Linux box. When it was ready for me to change my password because of the 60 day expiration I ran into a problem. I changed the password and once I shutdown my ...
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2answers
2k views

What is the purpose of openssl passwd

I'm reading "Reliably Deploying Rails Applications" Regarding defining users to be set up by Chef, it says: “Next we need to define users, inside data_bags/users copy the file deploy.json.example to ...
3
votes
3answers
227 views

john the ripper to evaluate relative password strength

I was wondering whether JtR is a good solution to test password strength. I'm not interested in actually finding the passwords (I'd rather not in fact), what I'd like is to run JtR in a way which ...
2
votes
1answer
2k views

AD LDAP No Password Required

I've got a question about AD accounts that have the setting PASSWD_NOTREQD enabled on them. What exactly does this setting do? From my own research, it appears that this will cause the account to ...
12
votes
2answers
6k views

How can a standard Windows user change their password from the command line?

On Windows Server 2008 R2, I have a standard (non-administrator) local user (not an Active Directory account, though the server is in a domain) who has access to the server only via PowerShell ...
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2answers
41 views

No password for account when using SSH on server?

Our Server has disabled password-based ssh login and only works with publickey. When I add new users with adduser, it prompts for a password however and I cannot leave it empty. When I generate a ...
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2answers
587 views

Does openldap support pbkdf2 hash algorithm?

Since pbkdf2 (Password-Based Key Derivation Function 2) is a more secure hash function, so I wonder if current openldap implementation support pbkdf2 (pbkdf2_sha256 for example)? I have found some ...
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2answers
142 views

Should I set the password when creating new user using useradd command?

I know that when creating a new user by useradd, I could set his password by -p option, but it seems insecure, then what the right way to create a user and set his password? I do this in two steps: ...
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1answer
84 views

Where does server store the users random salt for password

In order to make passwords more secure , a random salt is added to the password before harshing occurs . I am assuming the salt is stored on the server in an associative array [username:salt] and ...
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1answer
88 views

recovering from a plaintext password in usermod -p

My small office's server was under attack yesterday and today and apparently the hacker gained access through a weak password (i.e. I am to blame entirely). The moment I noticed this, I fysically ...
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1answer
340 views

How can I prompt Mac clients connecting to RDS/Terminal Services to change password at first login?

This is my first implementation of Remote Desktop Services/Terminal Services; we are using it as a solution for Mac clients that need to run a piece of new Windows-only software. My question is about ...
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2answers
178 views

Logging in as another user in Windows without resetting their password?

If you own the administrator account on Windows Domain, is there a way of logging into a user account without resetting the password? We have users that log in remotely, and I need to work on their ...
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votes
1answer
43 views

How to recover public key password? [closed]

I created a new instance of a server on my VPS provider and when I was doing the initial server setup it prompted me for a password, which I don't remember. Is there anything I can do in this ...
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votes
1answer
103 views

Rsync and ssh script

I really dont need ssh keys. The server has good security implemented. I need the script to input the password without user usage/interaction. How can I make this? Its CentOS release 6.5 (Final) ...
3
votes
2answers
10k views

Allow linux root user mysql root access without password

On cPanel when I am logged in as root and type "mysql" without hostname and password it gives me direct access to mysql root user. I would like to do this for one of my non-cpanel server where the ...
4
votes
1answer
147 views

Safely providing passwords to a linux daemon

I have a linux daemon that accesses some services (db etc). It needs some passwords for this. What would be the best way to give the passwords to the daemon in a secure manner? I currently store the ...
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1answer
32 views

Forgot MySQL password

Today I realized that I forgot the MySQL password, or that somebody else changed it (I doubt it). Is there any possibility that I can get the root password? I have access to all the machine (as it's ...
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1answer
55 views

EC2 Password expire dont have previous password

Our server guys setup a password expire policy but never set a password for the default user now the password has expired but I am unable to change it as it asks for the current password which we dont ...
2
votes
1answer
7k views

Unknown LDAP cn=config admin password

When I installed OpenLDAP I was asked to create a password for an admin user but now I realize there's another admin user for cn=config whose password I don't know. Does anyone know how should I ...
0
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3answers
571 views

Active Directory Self Service Password Reset

I have a large group of AD users and I need to provide them with a method for changing their own password in case they forget them. I am looking a third party self password reset application to enable ...
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2answers
766 views

Open Directory Password Location and Encryption Method

Background: I would like to use Google Apps Directory Sync (GADS) to synchronize user accounts and passwords from a Mac OS X Server (10.9) running Open Directory. GADS is installed on a Ubuntu 12.04 ...
8
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1answer
859 views

Does the password truly expire?

One can enable password expiration (aka password maximum age) on a Windows domain. I'm a little puzzled though about the meaning of that so-called expiration: It looks like the password does not ...
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4answers
130 views

Our server hosting provider asked for our root password

I work at a company that develops and hosts a small business critical system. We have an "Elastic cloud server" from a professional hosting provider. I recently got an email from them saying that ...
3
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2answers
965 views

Active Directory - How to find what machine applied a GPO

I've got a GPO that is configured to change the local builtin Administrator's password on certain machines. I need to find what machines have applied this GPO to themselves. I've written a script that ...
0
votes
1answer
126 views

ssh accepts any password [duplicate]

I'm recovering a server from getting hacked and there is one thing I can't fix: When I ssh (or scp) to the server, no matter what password I give, it lets me log in. I don't know much about the ssh ...
0
votes
2answers
109 views

Required strength for Admin/Windows passwords [closed]

We're trying to come up with a policy for required password-strength for Windows passwords on our domain. I was leaning towards a 10 character minimum with special characters and uppercase. We have a ...
0
votes
1answer
272 views

How can you recover a different admin account password when the default Administrator account is disabled?

If I were to create a admin domain account on a remote Windows Small Business Server (SBS), copy all permissions from the current [default] Administrator account, and then disable the [default] ...
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0answers
707 views

Windows - user must change password on next logon: “current password” and “new password” boxes do not appear

I have a SBS2011 domain and Windows 7 laptops. I created a user on the domain, set a temporary password and ticked the box to force the user to change password at next logon. Sit at the user's desk ...
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votes
2answers
36 views

How do I change a third party service password without stopping my service that depends on that service?

Here's my scenario: I have a service that has to run 24/7 and depends on a third party service that has a password. I need to have that password changed. If I blindly change the password my service ...
0
votes
1answer
3k views

PowerVault MD3000 Password Reset Console Password

I need to reset the password on a Dell PowerVault MD3000. I have the necessary password reset cable and am able to get to the point where I am prompted for the "password from Dell Technical Support" ...
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0answers
49 views

Can somebody read the challenge password value from client.key, if he get my client.key file?

Can somebody read the challenge password value from client.key if he get my client.key file? This is about easy-rsa, it comes with OpenVPN
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3answers
119 views

SSH login with Key not working

I followed a guide for password-less login: # Generate Key ssh-keygen #Append Key cat ~/.ssh/id_rsa.pub | ssh user@remotehost 'cat >> ~/.ssh/authorized_keys' #login ssh user@remotehost.com ...
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votes
2answers
2k views

MySQL without password prompt?

I have a MySQL server with the MySQL root password is an empty string. If I try to connect to MySQL without a password, I am denied. Like this: # mysql ERROR 1045 (28000): Access denied for user ...