Pluggable Authentication Modules handle authentication tasks of applications or services running on the system.

learn more… | top users | synonyms

5
votes
1answer
554 views

Custom PAM modules and security considerations

I am writing my own PAM module that will be part of an application that I am developing, but I'm not sure exactly where to put it. My module basically does network-level authentication (with other ...
2
votes
2answers
957 views

SFTP with Mysql user pass instead of PAM

Is there a way for people to log onto a debian server via sftp using just mysql database table as authentaction. IE not adding a user to the system? I know it can be done over ftp and TLS but i ...
2
votes
1answer
161 views

Is it possible to set su to use WE password dialog

I have sometimes problem when during entering password for su other window appears and steals the focus ("wait - did I just entered root password on public IRC chatroom?" - it did not happened but ...
4
votes
2answers
4k views

Can I create a local only guest account?

Is it possible to create a "guest" account in Linux? by "guest" account I mean an account that does not require a password to log in graphically. I want this account for when people come over and are ...
5
votes
1answer
3k views

What happens when your password expires and you're using key authentication?

on one of the boxes I don't control at work I use ssh keys to log in. Our passwords are set to expire after a few months. What happens if I don't reset my password and it expires? will I still be able ...
3
votes
1answer
2k views

Automatically mount encrypted home folder on login

I'm looking into encrypting my home folder with Truecrypt, and mounting it after I've logged in, which should be pretty straightforward. However, it occurred to me that it should be theoretically ...
7
votes
1answer
658 views

What steps does the system go through when handling an SSH connection?

What steps does the system go through when handling an SSH connection? We try to log in via ssh sshd starts pam and pam module to authenticate us Depending on pam configuration, we need to provide ...
7
votes
5answers
16k views

Program for decrypt linux shadow file

Is there any program or script available for decrypt Linux shadow file ?
43
votes
2answers
11k views

Why is there a big delay after entering a wrong password?

I notice a weird (well, according to me) thing about passwords. For example, if I type an incorrect password during login, there will be a few seconds' delay before the system tells me so. When I try ...
7
votes
4answers
1k views

How to set up two-factor authentication with OTP on FreeBSD?

I have a FreeBSD hosted server that I like to be able to get to from anywhere. Normally I use SSH publickey to log in, or if I don't have my SSH private key available then I might use regular password ...
4
votes
6answers
928 views

Identity Management with ActiveDirectory

What is the best, or most reliable, way to manage my Unix/Linux user accounts with ActiveDirectory? Or, is this even feasible?