Secondary Authentication of UNIX .

Hi All,

My Servers are enabled with a secondary authentication of login. Whenever we are logging in to the servers with a common id it is asking like something " Enet your personal id and password" which has been created by UNIX admins previously.

Just curious how to achieve this , so that I can do a POC on it.

NB: whenever i am trying to login through FTP from windows command prompt the secondary authentication is not asking for anything.

There are many ways. Perhaps the best way, if not correct way is to use PAM. Most distro provided services are PAM enabled, and you can certainly create your own PAM enabled services as well.

With PAM you effectively stack these types of requirements.

Linux has probably the most robust selection of PAM modules available. But PAM started with Solaris. And PAM is available on HP-UX and AIX as well.