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Phase 1 · Internet & Backend Basics

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HTTP vs HTTPS

Part of the Backend Developer Roadmap.

Summary

HTTP is the protocol clients and servers use to exchange requests and responses; HTTPS is the same protocol encrypted with TLS/SSL so data can't be intercepted in transit.

How to Learn This

  • 1Inspect a site's HTTPS certificate in your browser's address bar.
  • 2Learn what the TLS handshake does at a high level.
  • 3Understand why HTTPS is now a hard requirement for any production API.

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Internet

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DNS

More topics in Internet & Backend Basics

InternetDNSClient-Server ArchitectureRequest-Response CycleHTTP MethodsHTTP Status CodesStatelessnessREST PrinciplesJSONXMLHeaders & CookiesCORSIdempotencyAPI Gateways
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