Bring mac_bsdextended section up to date a little bit. Discuss the first
match enable and ruleset load on start up options.
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@ -934,9 +934,17 @@ test: biba/high</screen>
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firewall. This module's policy provides an extension to the
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firewall. This module's policy provides an extension to the
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standard file system permissions model, permitting an
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standard file system permissions model, permitting an
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administrator to create a firewall-like ruleset to protect files,
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administrator to create a firewall-like ruleset to protect files,
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utilities, and directories in the file system hierarchy.</para>
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utilities, and directories in the file system hierarchy. When
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access to a file system object is attempted, the list of rules
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is iterated until either a matching rule is located or the end
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is reached. This behavior may be changed by the use of a
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&man.sysctl.8; parameter,
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security.mac.bsdextended.firstmatch_enabled is set. Similar to
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other fire wall modules in &os;, a file containing access control
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rules can be created and read by the system at boot time using
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an &man.rc.conf.5; variable.</para>
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<para>The policy may be created using a utility, &man.ugidfw.8;,
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<para>The rule list may be created using a utility, &man.ugidfw.8;,
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that has a syntax similar to that of &man.ipfw.8;. More tools
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that has a syntax similar to that of &man.ipfw.8;. More tools
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can be written by using the functions in the
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can be written by using the functions in the
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&man.libugidfw.3; library.</para>
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&man.libugidfw.3; library.</para>
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