Clean a couple of 4.X references.

svn path=/head/; revision=28134

en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml

@@ -755,9 +755,9 @@ ipnat_rules="/etc/ipnat.rules"    # rules definition file for ipnat</programlist
 	method for segregation of log data.  It uses special groupings
 	called <quote>facility</quote> and <quote>level</quote>.  IPMON
 	in <option>-Ds</option> mode uses <literal>security</literal>
-	(<literal>local0</literal> in 4.X) as the <quote>facility</quote>
+	as the <quote>facility</quote>
 	name.  All IPMON logged data goes to <literal>security</literal>
-	(<literal>local0</literal> in 4.X).  The following levels can be
+	The following levels can be
 	used to further segregate the logged data if desired:</para>
 
       <screen>LOG_INFO - packets logged using the "log" keyword as the action rather than pass or block.
@@ -780,8 +780,7 @@ LOG_ERR - packets which have been logged and which can be considered short</scre
 	by software applications like IPF.</para>
 
       <para>Add the following statement to
-	<filename>/etc/syslog.conf</filename> for &os;&nbsp;5.X and
-	later:</para>
+	<filename>/etc/syslog.conf</filename>:</para>
 
       <programlisting>security.* /var/log/ipfilter.log</programlisting>
 
@@ -795,8 +794,7 @@ LOG_ERR - packets which have been logged and which can be considered short</scre
       <para>To activate the changes to <filename>/etc/syslog.conf
 	</filename> you can reboot or bump the syslog task into
 	re-reading <filename>/etc/syslog.conf</filename> by running
-	<command>/etc/rc.d/syslogd reload</command>
-	(<command>killall -HUP syslogd</command> in &os; 4.X).</para>
+	<command>/etc/rc.d/syslogd reload</command></para>
 
       <para>Do not forget to change
 	<filename>/etc/newsyslog.conf</filename> to rotate the new log