I'm trying to get pam_tally to lock out Usermin connections. I'm
using pam_tally 0.1 with pam 0.77 on SuSE Linux 9.2. With this
/etc/pam.d/usermin file, the tally gets updated at each failed attempt
and reset on a successful login but access is never blocked even when
the tally reaches double digits:
#%PAM-1.0
auth required pam_unix.so nullok
auth required pam_tally.so no_magic_root
account required pam_unix.so
account required pam_tally.so deny=5 reset
session required pam_unix.so
I noticed that my SuSE Linux 9.3 box came with pam_tally 0.2 and pam
0.78 and that the 0.2 version of pam_tally had more options such as
lock_time. I copied the pam_tally.so and pam_tally from it to the 9.2
box and gave it a try. Then I had the opposite problem. The tally gets
updated at each failed login attempt but does not get reset on success.
As a result, once the tally is exceeded two failed authentication
attempts results in the account being blocked until the time limit has
expired. Here's the /etc/pam.d/usermin I tried with pam_tally 0.2:
#%PAM-1.0
auth required pam_unix.so nullok
auth required pam_tally.so deny=5 lock_time=15 unlock_time=900
account required pam_unix.so
account required pam_tally.so magic_root
session required pam_unix.so
Am I missing something? Usermin (http://www.webmin.com) runs as
root. I'd like to have pam_tally lock accounts with 5 failed login
attempts for 15 minutes and then unlock them. If anyone has something
like this working I'd sure appreciate the posting of the pam
configuration file and any relevant version numbers.
Thanks,
Jason Joines
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