SmartDefense Categories
Chapter 13: Using SmartDefense 399
Null Payload
Some worms, such as Sasser, use ICMP echo request packets with null payload to detect
potentially vulnerable hosts.
You can configure how null payload ping packets should be handled.
Table 79: Null Payload Fields
In this field… Do this…
Action Specify what action to take when null payload ping packets are detected, by
selecting one of the following:
• Block. Block the packets. This is the default.
• None. No action.
Track Specify whether to log null payload ping packets, by selecting one of the
following:
• Log. Log the packets. This is the default.
• None. Do not log the packets.
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