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22 lines
695 B
XML
22 lines
695 B
XML
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<filter name='allow-dhcp' chain='ipv4'>
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<!-- accept outgoing DHCP requests -->
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<!-- not, this rule must be evaluated before general MAC broadcast
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traffic is discarded since DHCP requests use MAC broadcast -->
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<rule action='accept' direction='out' priority='100'>
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<ip srcipaddr='0.0.0.0'
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dstipaddr='255.255.255.255'
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protocol='udp'
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srcportstart='68'
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dstportstart='67' />
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</rule>
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<!-- accept incoming DHCP responses from any DHCP server -->
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<rule action='accept' direction='in' priority='100' >
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<ip protocol='udp'
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srcportstart='67'
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dstportstart='68'/>
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</rule>
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</filter>
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