industrial demilitarized zone infrastructure: provision of the Threat Prevention Subscription from Palo Alto Networks for a single IDMZ PA-440 firewall a front or back firewall (= Standard Bundle). The term of the subscription is 5 years after activation. This term starts, if the support is not activated, automatically approx. 30 days after delivery. If subsequently extended, the new term of the subscription follows on without a gap from the previous term.