Explore the intricacies of networking for web developers in this comprehensive conference talk from PHP UK 2019. Delve into the fundamentals of networking and progress to advanced concepts, covering topics such as TCP/UDP, IPv4/6, source/destination ports, sockets, DNS, switching, firewalling, OSPF, VRRP, and BGP. Gain valuable insights into how web applications rely on various networking components and learn strategies to prepare your applications for potential failures in the network chain. Discover essential Linux tools, network simulation techniques, and practical examples to enhance your understanding of network resources and protocols. Equip yourself with the knowledge to optimize application performance, implement security measures like HTTPS and Strict Transfer Security, and effectively handle network-related challenges in web development.