shadow: recommended pam.d/login

Randy McMurchy randy at
Fri Mar 23 10:59:25 PDT 2007

Jonathan Oksman wrote these words on 03/23/07 12:35 CST:

> The problem with this configuration is that it allows users to brute
> force for usernames at the login prompt.  The breakdown is like this:
> - user enters an incorrect name
> - fails to validate the username, and returns
>   incomplete.  since it is a requisite, login fails right here.
> The way to make login behave as it did before installing PAM would be to
> make the following configuration:

This is a great idea. I just tested it using my pam.d/login file
and it works as you suggest. I'll create the ticket right now.
Thanks for the tip, Jonathan.


rmlscsi: [bogomips 1003.28] [GNU ld version 2.16.1] [gcc (GCC) 4.0.3]
[GNU C Library stable release version 2.3.6] [Linux i686]
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