Sendmail logging must not be set to less than nine in the sendmail.cf file.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-835	GEN004440	SV-45856r2_rule		Low

Description
If Sendmail is not configured to log at level 9, system logs may not contain the information necessary for tracking unauthorized use of the sendmail service.

STIG	Date
SUSE Linux Enterprise Server v11 for System z	2017-08-25

Details

Check Text ( C-43153r2_chk )
If the “sendmail” package is not installed, this is not applicable. Check if the sendmail package is installed: # rpm –q sendmail If it is installed, the logging level must be set to level nine: Procedure: for sendmail: # grep "O L" /etc/mail/sendmail.cf OR # grep LogLevel /etc/mail/sendmail.cf If logging is set to less than nine, this is a finding. for Postfix: This rule is not applicable to postfix which does not use "log levels" in the same fashion as sendmail.

Check Text ( C-43153r2_chk )

If the “sendmail” package is not installed, this is not applicable.

Check if the sendmail package is installed:
# rpm –q sendmail
If it is installed, the logging level must be set to level nine:

Procedure:
for sendmail:
# grep "O L" /etc/mail/sendmail.cf

OR

# grep LogLevel /etc/mail/sendmail.cf

If logging is set to less than nine, this is a finding.

for Postfix:
This rule is not applicable to postfix which does not use "log levels" in the same fashion as sendmail.

Fix Text (F-39239r1_fix)
Edit the sendmail.conf file, locate the "O L" or "LogLevel" entry and change it to 9.