<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <TITLE>BIND acl Statement</TITLE> </HEAD> <BODY> <H2>BIND Configuration File Guide--<CODE>acl</CODE> Statement</H2> <HR> <A NAME="Syntax"><H3>Syntax</H3></A> <PRE> acl <VAR>name</VAR> { <VAR><A HREF="address_list.html">address_match_list</A></VAR> }; </PRE> <HR> <A NAME="Usage"><H3>Definition and Usage</H3></A> <P>The <CODE>acl</CODE> statement creates a named address match list. It gets its name from a primary use of address match lists: Access Control Lists (ACLs).</P> <P>Note that an address match list's name must be defined with <CODE>acl</CODE> before it can be used elsewhere; no forward references are allowed.</P> The following ACLs are built-in: <DL> <DT><CODE>any</CODE> <DD> Allows all hosts. <DT><CODE>none</CODE> <DD> Denies all hosts. <DT><CODE>localhost</CODE> <DD> Allows the IP addresses of all interfaces on the system. <DT><CODE>localnets</CODE> <DD> Allows any host on a network for which the system has an interface. </DL> <HR> <CENTER><P>[ <A HREF="config.html">BIND Config. File</A> | <A HREF="http://www.isc.org/products/BIND/">BIND Home</A> | <A HREF="http://www.isc.org/">ISC</A> ]</P></CENTER> <HR> <ADDRESS> Last Updated: $Id: acl.html,v 1.1.1.2 2000/06/09 23:12:34 wsanchez Exp $ </ADDRESS> </BODY> </HTML>