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<title>2.2. Hardening</title>
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<a href="index.html">Core OS Index</a>
<h1>2.2. Hardening</h1>
<p>Kernel in ports have upstream linux kernel and
grsecurity patch, it should break building some packages,
install follow tools;</p>
<pre>
$ sudo prt-get depinst gradm paxtest paxctld checksec lynis
</pre>
<p>Information about <a href="grsecurity.html">grsecurity</a> kernel
configuration, <a href="grsecurity.html#pax">pax</a> and
<a href="grsecurity.html#gradm">gradm</a>.</p>
<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>
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