[bind10-dev] a problem about zone file
Mark Andrews
marka at isc.org
Tue May 18 11:06:02 UTC 2010
<sect3>
<title>The <command>$INCLUDE</command> Directive</title>
<para>
Syntax: <command>$INCLUDE</command>
<replaceable>filename</replaceable>
<optional>
<replaceable>origin</replaceable> </optional>
<optional> <replaceable>comment</replaceable> </optional>
</para>
<para>
Read and process the file <filename>filename</filename> as
if it were included into the file at this point. If <command>orig
in</command> is
specified the file is processed with <command>$ORIGIN</command> se
t
to that value, otherwise the current <command>$ORIGIN</command> is
used.
</para>
<para>
The origin and the current domain name
revert to the values they had prior to the <command>$INCLUDE</comm
and> once
the file has been read.
</para>
<note>
<para>
RFC 1035 specifies that the current origin should be restored
after
an <command>$INCLUDE</command>, but it is silent
on whether the current
domain name should also be restored. BIND 9 restores both of
them.
This could be construed as a deviation from RFC 1035, a
feature, or both.
</para>
</note>
</sect3>
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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