Introduction Whether you’re deploying a new firewall or recovering access to an existing one, this comprehensive guide covers all major firewall brands including Palo Alto, Cisco ASA/FTD, FortiGate, Check Point, Sophos, Juniper SRX, and WatchGuard. We’ll walk through first-time setup methods, troubleshooting common issues, and step-by-step password recovery procedures. Table of Contents Palo Alto Firewall First-Time Setup Guide Table of […]
The Evolution of Firewalls: From Network Gatekeepers to AI-Powered Defenders (A Vendor-Neutral Technical History) 1. The Pre-Firewall Era (1970s–Early 1980s) 2. First-Generation Firewalls: Packet Filters (Late 1980s) 3. Second-Gen: Stateful Inspection (1990s) 4. Third-Gen: Application/Proxy Firewalls (Late 1990s) 5. Next-Generation Firewalls (NGFW) (2000s) 6. Modern Era: Cloud, AI, and Zero Trust (2010s–Present) Future Directions (2025+) Why Firewalls Keep Evolving Decade […]
My full name is Amin Asoodefardjahromi, though I commonly go by Amin Asoodefard. Currently, I hold a Bachelor in Information Technology. In 2020, after achieving CCNA and CCNP R&S in 2015 I joined a company as associate network engineer in Pars Fanavaran Kharazm in Tehran. However, an enticing job opportunity from a company in Sweden prompted me to pursue my […]
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