svn commit: r53612 - head/en_US.ISO8859-1/books/faq

Author: linimon
Date: Wed Nov 20 05:54:35 2019
New Revision: 53612
URL: https://svnweb.freebsd.org/changeset/doc/53612

Log:
  Remove stale questions about bind and sendmail.

Modified:
  head/en_US.ISO8859-1/books/faq/book.xml

Modified: head/en_US.ISO8859-1/books/faq/book.xml
==============================================================================
--- head/en_US.ISO8859-1/books/faq/book.xml	Wed Nov 20 05:50:20 2019	(r53611)
+++ head/en_US.ISO8859-1/books/faq/book.xml	Wed Nov 20 05:54:35 2019	(r53612)
@@ -5349,57 +5349,6 @@ nodevice gre</screen></para>
       </qandaentry>
 
       <qandaentry>
-	<question xml:id="extra-named-port">
-	  <para><application>BIND9</application>
-	    (<command>named</command>) is listening on some
-	    high-numbered ports.  What is going on?</para>
-	</question>
-
-	<answer>
-	  <para>BIND uses a random high-numbered port for outgoing
-	    queries.  Recent versions of it choose a new, random UDP
-	    port for each query.  This may cause problems for some
-	    network configurations, especially if a firewall blocks
-	    incoming UDP packets on particular ports.  To
-	    get past that firewall, try the
-	    <literal>avoid-v4-udp-ports</literal> and
-	    <literal>avoid-v6-udp-ports</literal> options to avoid
-	    selecting random port numbers within a blocked
-	    range.</para>
-
-	  <warning>
-	    <para>If a port number (like 53) is specified via the
-	      <literal>query-source</literal> or
-	      <literal>query-source-v6</literal> options in
-	      <filename>/usr/local/etc/namedb/named.conf</filename>,
-	      randomized
-	      port selection will not be used.  It is strongly
-	      recommended that these options not be used to specify
-	      fixed port numbers.</para>
-	  </warning>
-
-	  <para>Congratulations, by the way.  It is good practice to
-	    read &man.sockstat.1; output and notice odd
-	    things!</para>
-	</answer>
-      </qandaentry>
-
-      <qandaentry>
-	<question xml:id="sendmail-port-587">
-	  <para>The <application>Sendmail</application> daemon is
-	    listening on port 587 as well as the standard port 25!
-	    What is going on?</para>
-	</question>
-
-	<answer>
-	  <para>Recent versions of <application>Sendmail</application>
-	    support a mail submission feature that runs over port 587.
-	    This is not yet widely supported, but is growing in
-	    popularity.</para>
-	</answer>
-      </qandaentry>
-
-      <qandaentry>
 	<question xml:id="toor-account">
 	  <para>What is this UID 0 <systemitem
 	      class="username">toor</systemitem> account?  Have I been
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