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Successful and unsuccessful logins and logouts must be logged.


Overview

Finding ID Version Rule ID IA Controls Severity
V-765 GEN000440 SV-44830r1_rule Medium
Description
Monitoring and recording successful and unsuccessful logins assists in tracking unauthorized access to the system. Without this logging, the ability to track unauthorized activity to specific user accounts may be diminished.
STIG Date
SUSE Linux Enterprise Server v11 for System z 2016-12-20

Details

Check Text ( C-42302r1_chk )
Determine if all logon attempts are being logged.

Procedure:
Verify successful logins are being logged:
# last -R | more
If the command does not return successful logins, this is a finding.

Verify if unsuccessful logons are being logged:
# lastb -R | more
If the command does not return unsuccessful logins, this is a finding.
Fix Text (F-38268r1_fix)
Make sure the collection files exist.
Procedure:
If there are no successful logins being returned from the "last" command, create /var/log/wtmp:
# touch /var/log/wtmp

If there are no unsuccessful logins being returned from the "lastb" command, create /var/log/btmp:
# touch /var/log/btmp