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pam_timestamp — Authenticate using cached successful authentication attempts
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DESCRIPTION
In a nutshell, pam_timestamp caches successful authentication attempts, and
allows you to use a recent successful attempt as the basis for authentication.
This is similar mechanism which is used in sudo.
When an application opens a session using pam_timestamp, a timestamp file is
created in the timestampdir directory for the user. When an application
attempts to authenticate the user, a pam_timestamp will treat a sufficiently
recent timestamp file as grounds for succeeding.
OPTIONS
timestamp_timeout=number
How long should pam_timestamp treat timestamp as valid after their last
modification date (in seconds). Default is 300 seconds.
verbose
Attempt to inform the user when access is granted.
debug
Turns on debugging messages sent to syslog(3).
NOTES
Users can get confused when they are not always asked for passwords when
running a given program. Some users reflexively begin typing information before
noticing that it is not being asked for.
EXAMPLES
auth sufficient pam_timestamp.so verbose
auth required pam_unix.so
session required pam_unix.so
session optional pam_timestamp.so
AUTHOR
pam_tally was written by Nalin Dahyabhai.
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