Introduction If you are actively looking to start your career in Network Security then the Palo Alto firewall is a better option to understand the concepts of firewalls and easy to manage. Palo Alto Network is an American multinational cybersecurity company that works to provide the platform for Security appliance (Physical and Cloud-based) and other security aspects. Palo Alto Network was founded by Israeli-Americal Nirzuk in 2005 . He has developed the principle of the First Stateful inspection firewall and Intrusion Prevention System . and was a former engineer from checkPoint and NetScreen company Nir Zuk The Key Features of the device (Software or hardware) that make it Unique from other Vender specific device in the market 1. Stateful Firewall (SPI- Stateful packet inspection) 2. Next-Generation firewall 3. Zone-Based firewall 4. Centralized management (Panorama) 5. Different from the legacy port, prot...