Attachment 51415 Details for Bug 78096 – file.diff

[patch] file.diff

file.diff (text/plain), 3.68 KB, created by Brad Davis on 2005-02-25 21:20:08 UTC

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Creator: Brad Davis

Created: 2005-02-25 21:20:08 UTC

Size: 3.68 KB

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obsolete

>--- doc-ori/en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml	Fri Feb 25 13:31:41 2005
>+++ doc/en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml	Fri Feb 25 14:05:54 2005
>@@ -198,7 +198,7 @@
>   </sect1>
> 
>   <sect1 id="firewalls-pf">
>-    <title>The Packet Filter (PF) Firewall</title>
>+    <title>The Packet Filter (PF) Firewall and ALTQ</title>
> 
>     <indexterm>
>       <primary>firewall</primary>
>@@ -211,9 +211,9 @@
>       contained <acronym>PF</acronym> as an integrated part of the
>       base system was &os;&nbsp;5.3 in November 2004.
>       <acronym>PF</acronym> is a complete, fully featured firewall
>-      that contains <acronym>ALTQ</acronym> for bandwidth usage
>-      management in a way similar to what DUMMYNET provides in
>-      <acronym>IPFW</acronym>.  The OpenBSD project does an
>+      that contains <acronym>ALTQ</acronym> (Alternate Queuing) for
>+      bandwidth usage management in a way similar to what DUMMYNET
>+      provides in <acronym>IPFW</acronym>.  The OpenBSD project does an
>       outstanding job of maintaining the PF users' guide that it will
>       not be made part of this handbook firewall section as that would
>       just be duplicated effort.</para>
>@@ -356,6 +356,61 @@
>         enable the following option as well:</para>
> 
>       <programlisting>gateway_enable="YES"            # Enable as Lan gateway</programlisting>
>+
>+    </sect2>
>+    <sect2>
>+      <title>Enabling ALTQ</title>
>+
>+      <para>ALTQ is only avaliable by compiling the options into the
>+        &os; Kernel.</para>
>+
>+      <para>ALTQ is not supported by all of the avaliable network card
>+        drivers.  Please see the &man.altq.4; manual page for a list of
>+        drivers that are supported in your release of &os;.
>+
>+    </sect2>
>+    <sect2>
>+      <title>ALTQ Kernel options</title>
>+
>+      <para>ALTQ is composed of many different parts to give the
>+        functionality required.  The avaliable options are:</para>
>+
>+      <programlisting>options         ALTQ
>+options         ALTQ_CBQ        # Class Bases Queuing
>+options         ALTQ_RED        # Random Early Detection
>+options         ALTQ_RIO        # RED In/Out
>+options         ALTQ_HFSC       # Hierarchical Packet Scheduler
>+options         ALTQ_PRIQ       # Priority Queuing
>+options         ALTQ_NOPCC      # Required for SMP build</programlisting>
>+
>+      <para><literal>options ALTQ</literal> enables the ALTQ framework.</para>
>+
>+      <para><literal>options ALTQ_CBQ</literal> enables Class Based
>+        Queuing (CBQ).  CBQ allows you to divide a connections's
>+        bandwidth into different classes or queues.</para>
>+
>+      <para><literal>options ALTQ_RED</literal> enables Random Early
>+        Detection (RED).  RED is used to avoid network congestion.  RED
>+        does this by measuring the length of the queue and comparing
>+        it to the minimum and maximum thresholds for the queue.  If the
>+        queue is over the maximum all new packets will be dropped.  True
>+        to its name, RED drops packets from different connections
>+        randomly.</para>
>+
>+      <para><literal>options ALTQ_RIO</literal> enables Random Early
>+        Detection In and Out.</para>
>+
>+      <para><literal>options ALTQ_HFSC</literal> enables Hierarchical
>+        Fair Service Curve Packet Scheduler.  See <ulink
>+        url="http://www-2.cs.cmu.edu/~hzhang/HFSC/main.html"></ulink>
>+        for more info.</para>
>+
>+      <para><literal>options ALTQ_PRIQ</literal> enables Priority
>+        Queuing (PRIQ).  PRIQ will always pass traffic that is in a
>+        higher queue first.</para>
>+
>+      <para><literal>options ALTQ_NOPCC</literal> enables SMP support
>+        for ALTQ.  This option is required on SMP systems.</para>
> 
>     </sect2>
>   </sect1>

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