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Network Essentials for Web Developers: A Practical Guide to IP, DNS, HTTP, Load Balancers, SSL, and Troubleshooting
Paperback
Series: Essentials for Web Developers
Publisher: Independently Published
Published: Mar 20 2026
Pages: 168
Weight: 0.51
Height: 0.36 Width: 6.00 Depth: 9.00
Language: English
It works on localhost but not in production.
If you've ever said that, this book is for you. Network Essentials for Web Developers covers exactly the networking knowledge a web developer needs - from IP addresses and DNS to load balancers, SSL certificates, and debugging 502 errors.
- Part 1 - Foundations: IP addresses, subnets, CIDR, ports, TCP/UDP, DNS resolution, HTTP/HTTPS
- Part 2 - Infrastructure: Load balancers, reverse proxies, Nginx, SSL/TLS certificates, CDN and caching
- Part 3 - Troubleshooting: Connection failures, performance debugging, CORS, 502/503/504 errors
- Part 4 - Security: Firewalls, security groups, VPN, web security, authentication and authorization
- Web developers debugging mysterious connection failures
- Junior developers deploying to production for the first time
- Full-stack developers who want to understand what happens between fetch() and the response
- Cloud users configuring VPCs, security groups, and load balancers
Part of the Essential Knowledge for Web Developers series. No CCNA required - just enough to debug why your app can't connect.
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