Add syslog rules and enhance security/access.conf with an example

1 files changed, 76 insertions, 4 deletions

diff --git a/xml/SCAP/gentoo-xccdf.xml b/xml/SCAP/gentoo-xccdf.xml
index d2bf154..5fe590d 100644
--- a/xml/SCAP/gentoo-xccdf.xml
+++ b/xml/SCAP/gentoo-xccdf.xml
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Benchmark xmlns="http://checklists.nist.gov/xccdf/1.2" xmlns:h="http://www.w3.org/1999/xhtml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="xccdf_org.gentoo.dev.swift_benchmark_gentoo-20130917-1" xsi:schemaLocation="http://checklists.nist.gov/xccdf/1.2 xccdf-1.2.xsd" resolved="0">
-  <status date="2014-02-01">draft</status>
+<Benchmark xmlns="http://checklists.nist.gov/xccdf/1.2" xmlns:h="http://www.w3.org/1999/xhtml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="xccdf_org.gentoo.dev.swift_benchmark_gentoo-20140326-1" xsi:schemaLocation="http://checklists.nist.gov/xccdf/1.2 xccdf-1.2.xsd" resolved="0">
+  <status date="2014-03-26">draft</status>
   <title>Gentoo Security Benchmark</title>
   <description>
     This benchmarks helps people in improving their system configuration to be
     more resilient against attacks and vulnerabilities.
   </description>
   <platform idref="cpe:/o:gentoo:linux"/>
-  <version>20140201.1</version>
+  <version>20140326.1</version>
   <model system="urn:xccdf:scoring:default" />
   <model system="urn:xccdf:scoring:flat" />
   <model system="urn:xccdf:scoring:flat-unweighted" />
@@ -355,7 +355,7 @@
     </Group>
   </Group>
   <Group id="xccdf_org.gentoo.dev.swift_group_preinstallation">
-    <title>Before startng</title>
+    <title>Before starting</title>
     <description>
       Before starting to deploy Gentoo Linux and start hardening it, it is wise
       to take a step back and think about what to accomplish. Setting
@@ -1244,6 +1244,48 @@ sed -i -e 's:^rc_shell=.*:rc_shell="/sbin/sulogin":g' /etc/rc.conf
           </description>
         </Group>
       </Group>
+      <Group id="xccdf_org.gentoo.dev.swift_group_system-services-syslog">
+        <title>Syslog service</title>
+	<description>
+	  <h:p>
+	  The system logger handles all non-audit related logging generated by applications
+	  and daemons. In order to ensure proper forensic analysis if it would ever be needed,
+	  the system logger should be properly configured.
+	  </h:p>
+	</description>
+	<Group id="xccdf_org.gentoo.dev.swift_group_system-services-syslog-logintervals">
+          <title>Configure the system logger to log intervals</title>
+	  <description>
+	    <h:p>
+	    Have the system logger log every 10 minutes or so. Without interval logging,
+	    administrators might think nothing is wrong although in reality the system
+	    logger is malfunctioning and not writing any log events.
+	    </h:p>
+	  </description>
+	</Group>
+	<Group id="xccdf_org.gentoo.dev.swift_group_system-services-syslog-remotelogging">
+	  <title>Enable remote logging</title>
+	  <description>
+	    <h:p>
+	    If possible, have vital (or all) logs sent to a remote system logger as well.
+	    In home deployments, off-the-shelf (wifi) routers often have a logging daemon
+	    that can receive syslog events. For larger environments, a dedicated centralized
+	    log server is recommended.
+	    </h:p>
+	  </description>
+	</Group>
+	<Group id="xccdf_org.gentoo.dev.swift_group_system-services-syslog-terminal">
+	  <title>Decide which events to send to user terminals</title>
+	  <description>
+	    <h:p>
+	    On Linux and Unix systems, events can be sent to user terminals to
+	    make those users immediately aware of what is happening. It is
+	    recommended to send emergency-level events to everyone and have
+	    alerts sent to specific administrative user terminals.
+	    </h:p>
+	  </description>
+	</Group>
+      </Group>
     </Group>
     <Group id="xccdf_org.gentoo.dev.swift_group_system-portage">
       <title>Portage settings</title>
@@ -1551,6 +1593,14 @@ tty12</h:pre>
           account (say <h:code>apache</h:code>) is abused to log on with, or
           that a new account is created as part of an exploit.
 	  </h:p>
+	  <h:p>
+	  The following example setting allows only local root logins on tty1,
+	  and only the <h:em>swift</h:em> account to log on on the system.
+	  </h:p>
+	  <h:pre>
++ : root : tty1
+- : ALL EXCEPT swift : ALL
+          </h:pre>
         </description>
       </Group>
       <Group id="xccdf_org.gentoo.dev.swift_group_system-auth-resources">
@@ -1731,6 +1781,28 @@ session  required pam_unix.so</h:pre>
 	  </h:p>
         </description>
       </Group>
+      <Group id="xccdf_org.gentoo.dev.swift_group_system-fileprivileges-caps">
+        <title>Limit capability enabled files</title>
+	<description>
+	  <h:p>
+	  Capabilities within Linux allow users to perform certain privileged tasks.
+	  </h:p>
+	  <h:p>
+	  Unlike <h:em>setuid</h:em> flags, the allowed privileges can be defined
+	  in a more granular approach (although one can still add in all possible
+	  capabilities and thus gain similar privileges as through <h:em>setuid</h:em>
+	  binaries).
+	  </h:p>
+	  <h:p>
+	  Files with particular capabilities set (through the <h:b>setcap</h:b>
+	  application) should be regularly reviewed. Capability-enabled files 
+	  can be found through the following command:
+	  </h:p>
+	  <h:pre>
+# <h:b>getcap -r /</h:b>
+          </h:pre>
+	</description>
+      </Group>
       <Group id="xccdf_org.gentoo.dev.swift_group_system-fileprivileges-logs">
         <title>Logs only readable by proper group</title>
         <description>