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Clarify the <variable> forms allowed in a ?SET directive.

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
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Tom Eastep 2013-02-02 11:08:29 -08:00
parent 9b30f48ba0
commit ca5a70aa6f
1 changed files with 8 additions and 2 deletions
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10
docs/configuration_file_basics.xml
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@ -1484,7 +1484,8 @@ SHELL cat /etc/shorewall/rules.d/*.rules 2&gt; /dev/null || true</programlisting
<listitem> <listitem>
<para>The <replaceable>variable</replaceable> can be specified <para>The <replaceable>variable</replaceable> can be specified
either with or without a leading '$' to allow using both Perl and either with or without a leading '$' to allow using both Perl and
Shell variable representation.</para> Shell variable representation. The ${...} form (e.g. ${foo}) is not
allowed.</para>
<para>The <replaceable>value</replaceable> is a Perl-compatible <para>The <replaceable>value</replaceable> is a Perl-compatible
expression.</para> expression.</para>
@ -1517,6 +1518,11 @@ SHELL cat /etc/shorewall/rules.d/*.rules 2&gt; /dev/null || true</programlisting
<para>Action variables are read-only and cannot be ?SET (although you can <para>Action variables are read-only and cannot be ?SET (although you can
change their values <ulink url="Actions.html#Embedded">using embedded change their values <ulink url="Actions.html#Embedded">using embedded
Perl</ulink>).</para> Perl</ulink>).</para>
<para>Beginning with Shorewall 4.5.13, <link
linkend="ShorewallVariables">Shorewall Variables</link> may be set. When
setting a Shorewall Variable, the <replaceable>variable</replaceable> must
include the leading '@' and the @{...} form is not allowed.</para>
</section> </section>
<section id="AddressVariables"> <section id="AddressVariables">
@ -1861,7 +1867,7 @@ SHELL cat /etc/shorewall/rules.d/*.rules 2&gt; /dev/null || true</programlisting
<para>Beginning with Shorewall 4.5.13, the values of @chain and <para>Beginning with Shorewall 4.5.13, the values of @chain and
@disposition are used to generated the --log-prefix in logging rules. When @disposition are used to generated the --log-prefix in logging rules. When
either is empty, the historical value is used to generate the either is empty, the historical value is used to generate the
--log-prefix. </para> --log-prefix.</para>
</section> </section>
<section id="Conditional"> <section id="Conditional">