SOCK_STREAM is Not TCP: Understanding Socket Types vs. Protocols
- May 18, 2026
- 9 min read
- Operating systems
Many developers assume SOCK_STREAM is synonymous with TCP. It isn’t. Learn why socket types and transport protocols are distinct concepts, and how …
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Beyond the Port: How the OS Actually Binds and Connects
- February 16, 2026
- 8 min read
- Operating systems
When I first started learning networking, I thought a ‘Port’ was just like a physical socket on the back of a server. You plug a process …
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How to Check TCP Port Reachability in Python (Sync & Async)
- December 22, 2025
- 10 min read
- Python programming , Debugging and troubleshooting
Nothing stalls a deployment quite like a ‘Connection Refused’ error that you didn’t see coming. Whether you’re debugging a …
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