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<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> {
};
</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>
<HR>
<ADDRESS>
</ADDRESS>
</BODY>
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