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<p>which dictates what packets will be looked at and what action should be applied, if any, with the default action set to silent discard. Three basic actions regarding the packet consist of a silent discard, discard with <a href="page.php?w=Internet_Control_Message_Protocol">Internet Control Message Protocol</a> or <a href="page.php?w=TCP_reset_attack">TCP reset</a> response to the sender, and forward to the next hop. Packets may be filtered by source and destination <a href="page.php?w=network_address">IP addresses</a>, protocol, or source and</p><p>
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