D-Link NetDefend DFL-CP310 User Manual page 257

Small PMTU
Small PMT U (P acket MTU)
server into sendi ng large amounts of data
large overhead th
You can protect against this attack by specify
sent over the Internet.
Table 47: Small PMTU Fields
In this field... Do this...
Action Specify what action to take when a packet is smaller tha
Size threshold, by selecting one of the following:
•
•
Specify whether to issue logs for packets are smaller than the Minimal MTU
Track
Size threshold, by selecting one of the following:
•
•
Chapter 9: Setting Your Security Policy
is a bandwidth attack in which the client fools the
at creates a "bottleneck" on the server.
Block. Block the packet.
None. No action. This is the default.
Log. Issue logs. This is the default.
None. Do not issue logs.
using small packets. Each packet has a
ing a minimum packet size for data
Using SmartDefense
n the Minimal MTU
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