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478 Check Point Safe@Office User Guide
Table 94: Small PMTU Fields
In this field…
Do this…
Action Specify what action to take when a packet is smaller than the Minimal MTU
Size threshold, by selecting one of the following:
• Block. Block the packet.
• None. No action. This is the default.
Track Specify whether to issue logs for packets are smaller than the Minimal MTU
Size threshold, by selecting one of the following:
• Log. Issue logs. This is the default.
•
None.
Do not issue logs.
Minimal MTU
Size
Type the minimum value allowed for the MTU field in IP packets sent by a
client.
An overly small value will not prevent an attack, while an overly large value
might degrade performance and cause legitimate requests to be dropped.
The default value is 300.