D-Link DFL-CPG310 Product Manual - Page 249
Table 41: IP Fragments Fields, False, True., None.
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Using SmartDefense Table 41: IP Fragments Fields In this field... Do this... Forbid IP Fragments Specify whether all fragmented packets should be dropped, by selecting one of the following: • True. Drop all fragmented packets. • False. No action. This is the default. Under normal circumstances, it is recommended to leave this field set to False. Setting this field to True may disrupt Internet connectivity, because it does not allow any fragmented packets. Max Number of Type the maximum number of fragmented packets allowed. Packets Incomplete Packets exceeding this threshold will be dropped. The default value is 300. Timeout for Discarding Incomplete Packets When the NetDefend firewall receives packet fragments, it waits for additional fragments to arrive, so that it can reassemble the packet. Type the number of seconds to wait before discarding incomplete packets. The default value is 10. Track Specify whether to log fragmented packets, by selecting one of the following: • Log. Log all fragmented packets. • None. Do not log the fragmented packets. This is the default. Chapter 9: Setting Your Security Policy 233
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