IPS - NTP v2 tab

Basic configuration

Maximum size of packets (bytes)

Enter the maximum size allowed for NTP v2 packets (default value: 72 bytes).

NTP modes

This list sets out the known NTP v2 modes (reserved, active symmetric, passive symmetric, client, server, broadcast, NTP control messages and private use) and the action applied to each one of them.

You can:

• Allow or prohibit modes individually by clicking on their associated action,
• Select all modes with the Select all button and apply a common action to them using Allow and Block.

Advanced properties

Prohibited reference IDs

This list makes it possible to block additional NTP reference IDs (LOCL, LCL, etc.):

• Click on Add and specify the name of the Reference ID,
• Select a Reference ID or all Reference IDs with the Select all button and click on Delete.