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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31
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7answers
2k views

What would you do if you realized your email hosting provider could see your passwords?

We received an email last year from our hosting provider regarding one of our accounts- it had been compromised and used to deliver a rather generous helping of spam. Apparently, the user had reset ...
-5
votes
1answer
340 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 ...
1
vote
2answers
524 views

Passwordless psexec on windows

I'm looking at deployment options at the moment. I'm using Jenkins on a Windows machine to control deployment to multiple remote Windows servers. The deployment involves executing a batch script on ...
1
vote
1answer
1k views

How to add ACI's to OpenLDAP properly

So I'm trying to get some ACI's added to my OpenLDAP system (hosting on CentOS 6). I've read how others put their ACI's in bdb like so... olcAccess: to attrs=userPassword,shadowLastChange by ...
3
votes
2answers
818 views

Changing Active Directory Password Setting “Reversible Encryption” Effect on existing accounts

There is a setting in active directory password to turn on or off "reversible encryption". Currently I have this feature turned on, and I am planning to turn it off. What effect will this have on the ...
2
votes
3answers
195 views

Password Change With Command Line On NetBSD

How can I change root password with one line command on NetBSD? On FreeBSD, it's something like this echo "password" | pw mod user root -h 0 ;
2
votes
2answers
91 views

Are passwords sent via a bash script retrievable?

As part of running a backup script for a linux server, I have commands like mysqldump within a bash script which contain the mysql root password, and certain ftp server passwords. Are these ...
19
votes
1answer
1k views

Why are md5 passwords hashed differently?

I've been wondering for a while, why does running "echo 'helloworld' | openssl passwd -1 -stdin" yield different results every time?If I put any of the hashes in my /etc/shadow I can use them as my ...
1
vote
2answers
227 views

Why to use password protected SSH key files for remote access? [duplicate]

I was thinking of using key files for remote SSH access to my server instead of entering the account's password manually at login. On the Internet I found several tutorials on how to do that for ...
6
votes
3answers
4k views

List of allowable Linux password characters

Sadly, I have been doing Linux Administration for a short while and I still have NO idea where to find a comprehensive list of allowable characters for a linux password. My guess is that this may be ...
2
votes
1answer
10k views

How to change the password of a (vsftpd) FTP account when 'passwd' isnt working

Kinda newbie here, I have a server which uses vsftpd. I changed the password of user 'aa' from the root account with 'passwd aa', which changed the SSH password for user 'aa', but not for his FTP ...
12
votes
11answers
9k views

Best way to go about changing a root password on 3000+ Solaris, AIX, and Linux servers?

Long story short: Big old corporation, lots of UNIX/Linux servers. I inherited responsibility for a bunch of scripts that that left a few years ago. One of them was a script that would be run every ...
1
vote
2answers
213 views

Cisco IOS Setting up a password/secret

I'm figuring out the basics to CISCO Ios commands and I am struggling to find out the answer to the following question: What would provide a better protection when you set up a password to allow ...
0
votes
2answers
3k views

Best way to create a user with no password

What is the good way to create a user with no password? By no password, I mean an account, that would be usable only by the root account using the su/sudo commands (like the "nobody" user used by ...
1
vote
4answers
2k views

The opposite of su: run a command without root privileges

I'm writing a shell script where most commands don't require root privileges. The script should be ran by the administrator. But I would like to be able to "su" to a normal user account for the parts ...
3
votes
2answers
8k views

Factory Reset Cisco SPA504G without admin password

I've been trying to factory reset some SPA500 phones, specifically the 504G but the old provider has locked out everything. I need to reset about 50 phones for use with a new service. I've man in the ...
0
votes
1answer
458 views

Smartcard Sharepoint Password prompt

I work in an organization that uses smartcard login. Passwords are not be used. When opening an attachment in Sharepoint, we are prompted with a username/password dialog. Clicking cancel will allow ...
1
vote
2answers
1k views

How to reset root password CentOS (domU) hosted in Xen?

Need help on resetting root password of a CentOS which is a guess OS (domU) in XEN. I already tried to get to grub but it doesn't display or maybe using a different grub (pygrub). Thanks in advance.
2
votes
2answers
313 views

How can I randomize or stagger password expiration through Active Directory?

We are about to implement a new password policy that will require users to change their password every six months. We also need every user to change their password this week. I'd rather not create a ...
1
vote
2answers
3k views

How to Force domain users to change password now

How can I force all domain users to change their password now? I want to do so before users next logon. Thanks
3
votes
2answers
7k views

How to enforce password complexity in Redhat?

I googled and found a few links about it like these: Forcing Password Complexity in Red Hat How to enforce password complexity on Linux It says that we need to make changes in ...
0
votes
1answer
5k views

Reset windows 7 local admin password on encrypted drive [closed]

I have lost administrator password on a windows 7 laptop running bitlocker. I know bitlocker recovery password for this PC and can access BIOS setup. I need to reset administrator password without ...
6
votes
3answers
5k views

What is the rationale for a minimum password age?

I just had a user unable to change his password on a Windows 2008 domain. It was giving him a cryptic message about complexity requirements even though he was certain his chosen password was meeting ...
0
votes
1answer
619 views

Protect webmin access with username/password [closed]

I just installed webmin in my FreeBSD box, now it can be accessed as http://my-ip.com:10000, When I enter that address in browser I can see the login page of webmin directly. I want to have some ...
1
vote
1answer
82 views

sudo passwd on Ubuntu 11.10 strange behavior. Have I been rooted?

I'm in a really strange situation. A few hours ago Rackspace issued a ticket saying there's a outbound flood originating from my server. Thinking the server might have been rooted with a rootkit I ...
1
vote
3answers
154 views

Security advices - ssh root access login

I'd like to have some advices on my case: I have a server with a public ip address. I have a root user with password. I have turn off (in sshd) PermitRootlogin = No Questions/tips/advices: How can ...
0
votes
2answers
755 views

WDS prompt for password

Issue: I setup a new WDS server. Earlier with my old server, whenever a client pressed F12 to connect to the WDS, it would prompt them to select 'Windows Deployment Server' or 'Hard disk drive' and ...
2
votes
3answers
4k views

Batch reset all iLO passwords via command line

I would like to batch reset all the iLO passwords on our HP Blade chassis without having to login to each one via the HTTPS website. How can I reset the root and administrator iLO passwords via the ...
0
votes
3answers
502 views

Windows share - wrong password

Disclaimer: I'm completely new to this. I'm trying to connect to a windows share folder in a different network. When I start remote desktop to the machine with the shared folder, the shared folder ...
3
votes
2answers
587 views

Developing a Password Sync Plugin for Active Directory

Recently i came across through password sync plug-ins provided by many identity management provider vendors (Tivoli, Oracle, CA) they provide a password sync plug-in which we will install on every ...
1
vote
1answer
47 views

Password require pre- and suffix

Is is possible to configure a required pre- and suffix that users need to use while changing their password in a Microsoft environment? If so how? Let me explain where this comes from. In my company ...
0
votes
1answer
62 views

How to tell passwd to use salted passwords?

I am hunting the web on how to change passwords of an existing user using a salted hash. I found that way with adding a non-existing user: ...
2
votes
3answers
2k views

Forgot the password for an encrypted SSH key that's in my (gnome) SSH agent. How do I extract unencrypted version? [closed]

OK, I have an encrypted ssh private key that provides access to a server. My Ubuntu GNOME desktop has an integrated graphical ssh agent (seahorse v3.2.2). That ssh key is in this ssh agent and it's ...
2
votes
1answer
593 views

What password hash algorithm does each version of CentOS use by default?

I'm looking for a table of CentOS versions and corresponding default password hash algorithms. Google searches didn't reveal any matches that look like they have all the information in one place. ...
0
votes
1answer
90 views

Backup and Reset Windows VPS password

We do have an option like "Password Reset disk" for desktops. I like to know is there any similar option available for Windows VPS other than contacting the service provider control panel? I like to ...
-1
votes
2answers
68 views

manually editing shadow file on disk from raid1 array

At work we have a machine to which root password has been lost. I have pulled out the disk and mounted it to another computer. Now I think the next step should be editing root password in the shadow ...
1
vote
1answer
532 views

Changing Password expiry date for limited users in Domain

I have 50 users in my domain. But i have to set password expiry days for 90 for only 10 users. How can i do it. How can this be done without affecting any other users Password Policy.
3
votes
1answer
695 views

Why do I see a heap corruption error from lsass.exe on domain controllers after installing Google Apps Password Sync?

We're moving to Google Apps and have just installed Google Apps Password Sync. We have yet to roll this out to users and are experiencing some problems. Occasionally after a user changes their ...
2
votes
1answer
145 views

How to set up sshd so that it never asks for a password for a specific user?

I have a dedicated system account named "git" that is managed by gitlab/gitolite. Users connecting to this account always use SSH keys, "git" user doesn't have a password. If users connect without a ...
1
vote
3answers
1k views

Can't use sudo without password on Ubuntu 12

Maybe my question is stupid but I'm really stuck... My OS is Ubuntu 12.04 My sudoers: # # This file MUST be edited with the 'visudo' command as root. # # Please consider adding local content in ...
-4
votes
2answers
400 views

Crack http basic auth password from Linux [closed]

I have a network camera, where the default password does not work. It is probably something simple though, so I though I should try a stock password breaker. What should I use to try to crack my ...
1
vote
1answer
990 views

Automatic changing of local passwords [closed]

This is the third time I've seen this when working on site for a customer, so I know it's possible, I'm just wondering how. It seems that the Local Administrator account has it's password changed ...
4
votes
1answer
4k views

How to change Windows Server 2012 password requirements when installing?

i'm trying to install Windows Server 2012, and i'm being prompted that the Administrator account password does not meet the password security requirements: The password you typed does not meet the ...
1
vote
1answer
158 views

When changing passwords, how to let one PAM module check for old passwords and another to save new ones?

Our server is currently using the blowfish cipher to store passwords and it uses pam_unix2. We'd like to gradually switch to SHA. The idea is that all newly changed passwords would be hashed with SHA. ...
3
votes
3answers
13k views

Forgot Password Server 2012

So I did something really stupid, forgot the admin password to my server running MS Server 2012. I so rarely shut down and have to log in because my server is running 24/7 that when I lost power and ...
2
votes
1answer
2k views

How to decrypt files on a Windows domain, without user account password?

I have a Server 2008 file server, and and while here an employee encrypted several files, and has now since left to seek greener pastures. I want to decrypt the files, so others can access them. Can ...
0
votes
1answer
265 views

Double ask for password and thus I can't use sshpass

The following command asks Password: twice. It would be acceptable but I can't use sshpass to automate it :-( $ svn checkout svn+ssh://svn@svn.logostudio.co.il/home/svn/repos/logostudio/trunk/logo/ ...
0
votes
0answers
88 views

Samba password not persisting

I have a samba on debian setup with the following smb.conf [global] workgroup = WORKGROUP # Debug logging information log level = 2 max log size = 50 debug timestamp = yes ...
0
votes
1answer
332 views

How are SMTP AUTH credentials stolen and how to prevent it?

We run a mail system for some thousands users and from time to time we get a spam flood from one of our users' account. When that happens we see connections from multiple IP addresses of foreign ...
-3
votes
2answers
556 views

Saving Active Directory Passwords [closed]

I have a requirement for one of my clients that they would like all user passwords stored in the Description field of AD. Now this is all well and good initially because we use a script to roll out ...