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Add caution regarding Address Varibles
Signed-off-by: Tom Eastep <teastep@shorewall.net>
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@ -1654,6 +1654,14 @@ SSH(ACCEPT) net:$MYIP $FW
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<section id="AddressVariables">
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<section id="AddressVariables">
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<title>Address Variables</title>
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<title>Address Variables</title>
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<caution>
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<para>If you use address variables that refer to an optional interface,
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the <command>enable</command> command will not change the rules that use
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the variable. Therefore, to be completely safe, if you use such address
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variables then you must follow an <command>enable</command> command with
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a <command>reload</command> command.</para>
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</caution>
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<para>Given that shell variables are expanded at compile time, there is no
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<para>Given that shell variables are expanded at compile time, there is no
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way to cause such variables to be expanded at run time. Prior to Shorewall
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way to cause such variables to be expanded at run time. Prior to Shorewall
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4.4.17, this made it difficult (to impossible) to include dynamic IP
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4.4.17, this made it difficult (to impossible) to include dynamic IP
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