apparmor profiles

1. What are AppArmor profiles?
2. How do I write a AppArmor profile?
3. Where are AppArmor profiles stored?
4. Should I disable AppArmor?
5. How do I set up AppArmor?
6. Is AppArmor enabled by default?
7. How do I debug AppArmor?
8. What is AppArmor policy?
9. What is enforce mode AppArmor?
10. What is SELinux and Apparmor?
11. Does Debian have Apparmor?
12. How do I uninstall Apparmor?

What are AppArmor profiles?

AppArmor profiles are stored in /etc/apparmor.d/ and they contain a list of access control rules on resources that each program can make use of. The profiles are compiled and loaded into the kernel by the apparmor_parser command. Each profile can be loaded either in enforcing or complaining mode.

How do I write a AppArmor profile?

Build an AppArmor profile for a group of applications as follows:

1. Create profiles for the individual programs that make up your application. ...
2. Put relevant profiles into learning or complain mode. ...
3. Exercise your application. ...
4. Analyze the log. ...
5. Repeat Step 3 and Step 4. ...
6. Edit the profiles. ...
7. Return to enforce mode.

Where are AppArmor profiles stored?

Where is AppArmor Policy Stored? AppArmor system profile files and related files are traditionally stored in the directory /etc/apparmor.

Should I disable AppArmor?

AppArmor has the ability to disable specific profiles rather than simply turning it on or off, yet I've seen people in IRC and forums advise others to disable AppArmor completely. This is totally misguided and YOU SHOULD NEVER DISABLE APPARMOR ENTIRELY to work around a profiling problem.

How do I set up AppArmor?

To set a profile in complain mode, first install apparmor-utils package if it is not already installed. Use aa-complain command to set a profile in complain mode. For example, do the following to enable complain mode for mysqld. $ sudo aa-complain /usr/sbin/mysqld Setting /usr/sbin/mysqld to complain mode.

Is AppArmor enabled by default?

AppArmor is enabled by default.

How do I debug AppArmor?

Debugging procedure

1. To debug an apparmor profile, look in /var/log/kern.log for 'audit' entries. ...
2. where '/path/to/bin' is the absolute path to the binary, as reported in the 'profile=...' ...
3. To re-enable enforcing mode, use 'aa-enforce' instead: sudo aa-enforce /path/to/bin.

What is AppArmor policy?

Overview. AppArmor is a Mandatory Access Control (MAC) system which confines programs to a limited set of resources. AppArmor confinement is provided via profiles loaded into the kernel. AppArmor can be set to either enforce the profile or complain when profile rules are violated.

What is enforce mode AppArmor?

Profiles can run in “complain mode” or “enforce mode.” In enforce mode – the default setting for the profiles that come with Ubuntu – AppArmor prevents applications from taking restricted actions. In complain mode, AppArmor allows applications to take restricted actions and creates a log entry complaining about this.

What is SELinux and Apparmor?

Both SELinux and AppArmor supports the Type Enforcement security model, which is a type of mandatory access control, based on rules where subjects (processes or users) are allowed to access objects (files, directories, sockets, etc.). ... With AppArmor, it's not possible to keep separation between containers.

Does Debian have Apparmor?

AppArmor is available in Debian since Debian 7 "Wheezy". Install AppArmor userspace tools: apparmor.

How do I uninstall Apparmor?

Steps to disable and completely remove AppArmor in Ubuntu and Debian:

1. Open your preferred terminal application.
2. Stop apparmor service. $ sudo systemctl stop apparmor.
3. Disable apparmor from starting on system boot. ...
4. Remove apparmor package and dependencies. (