industrial demilitarized zone infrastructure: product support for a Next Generation Firewall. This includes: 3 years of support by Siemens and Palo Alto Networks for a single IDMZ PA-440 firewall as a front or back firewall (= Standard Bundle). The term starts, if the support is not activated, automatically approx. 30 days after delivery. If subsequently extended, the new term of the support follows on without a gap from the previous term.