D-Link DFL-2500 - Manual (Page 305)

LogNonIP4
Logs occurrences of IP packets that are not version 4. NetDefendOS only accepts version 4 IP
packets; everything else is discarded.
Default: 256
LogReceivedTTL0
Logs occurrences of IP packets received with the "Time To Live" (TTL) value set to zero. Under no
circumstances should any network unit send packets with a TTL of 0.
Default: Enabled
Block0000Src
Block 0.0.0.0 as source address.
Default: Drop
Block0Net
Block 0.* as source addresses.
Default: DropLog
Block127Net
Block 127.* as source addresses.
Default: DropLog
BlockMulticastSrc
Block multicast both source addresses (224.0.0.0 - 255.255.255.255).
Default: DropLog
TTLMin
The minimum TTL value accepted on receipt.
Default: 3
TTLOnLow
Determines the action taken on packets whose TTL falls below the stipulated TTLMin value.
Default: DropLog
DefaultTTL
Indicates which TTL NetDefendOS is to use when originating a packet. These values are usually
between 64 and 255.
Default: 255
LayerSizeConsistency
LogReceivedTTL0 Chapter 13. Advanced Settings
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