<!DOCTYPE html> <html dir="ltr" lang="en"> <head> <meta charset='utf-8'> <title>2.2. Hardening</title> </head> <body> <a href="index.html">Core OS Index</a> <h1>2.2. Hardening</h1> <p>Kernel <a href="ports/linux-gnu">linux-gnu</a> port have <a href="apparmor.html">apparmor</a> default options. AppArmor enforce rules on applications based on security policies. User space tools are provided by apparmor port and its dependencies, install them;</p> <pre> $ sudo prt-get depinst checksec lynis apparmor </pre> <p>Lynis gives a view of system overall configuration, without changing default profile it runs irrelevant tests. Create a lynis profile by coping default one and run lynis;</p> <pre> $ sudo cp /etc/lynis/default.prf /etc/lynis/custom.prf $ sudo lynis configure settings color=yes $ sudo lynis show settings $ sudo lynis show profile </pre> <pre> $ lynis audit system > lynis_report $ mv /tmp/lynis.log . $ mv /tmp/lynis-report.dat . </pre> <p>Add unnecessary tests to profile to have less noise.</p> <a href="index.html">Core OS Index</a> <p>This is part of the c9 Manual. Copyright (C) 2017 c9 team. See the file <a href="../fdl-1.3-standalone.html">Gnu Free Documentation License</a> for copying conditions.</p> </body> </html>