Novell LINUX ENTERPRISE SERVER 10 - INSTALLATION AND ADMINISTRATION 11-05-2007, Installation Manual

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“aa-complain—Entering Complain or Learning Mode” (Chapter 4, Building
Profiles from the Command Line, ↑Novell AppArmor Administration Guide)
and Section “aa-enforce—Entering Enforce Mode” (Chapter 4, Building Profiles
from the Command Line, ↑Novell AppArmor Administration Guide).
Test your profile settings by performing every task you need with the application you
just confined. Normally, the confined program runs smoothly and you do not notice
AppArmor activities at all. However, if you notice certain misbehavior with your appli-
cation, check the system logs and see if AppArmor is too tightly confining your appli-
cation. Depending on the log mechanism used on your system, there are several places
to look for AppArmor log entries:
/var/log/audit/audit.log
If the
audit
package is installed and auditd is running, AppArmor events are
logged as follows:
type=APPARMOR msg=audit(1140325305.502:1407): REJECTING w access to
/usr/lib/firefox/update.test (firefox-bin(9469) profile
/usr/lib/firefox/firefox-bin active /usr/lib/firefox/firefox-bin)
/var/log/messages
If auditd is not used, AppArmor events are logged in the standard system log under
/var/log/messages
. An example entry would look like the following:
Feb 22 18:29:14 dhcp-81 klogd: audit(1140661749.146:3): REJECTING w access
to /dev/console (mdnsd(3239) profile /usr/sbin/mdnsd active
/usr/sbin/mdnsd)
dmesg
If auditd is not running, AppArmor events can also be checked using the
dmesg
command:
audit(1140661749.146:3): REJECTING w access to /dev/console (mdnsd(3239)
profile /usr/sbin/mdnsd active /usr/sbin/mdnsd)
To adjust the profile, analyze the log messages relating to this application again as de-
scribed in
Step 3 (page 874). Determine the access rights or restrictions when prompted.
Confining Privileges with AppArmor 875