1. ISOP supports the upgrade for rule base version, it does not support the upgrade for system version.

2. The upgrade process for rule base takes about 10 minutes and cannot be interrupted. Services will be interrupted during an upgrade. lt is recommended to do the upgrade during a window period or in a time that the operation affects the least on the business continuity.

3. Verify the MD5 value of the upgrade packages to ensure it stays the same with the upgrade site.