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HTTP Status Codes

  • 2xx are used for successful requests
  • 3xx are for redirections
  • 4xx are used if there is some problem with the request
  • 5xx are used if there is some problem with the server handling the request

A complete list of all the HTTP codes can be found on Wikipedia 1 2.

12 Protocols

๐–๐ž๐› ๐‚๐จ๐ฆ๐ฆ๐ฎ๐ง๐ข๐œ๐š๐ญ๐ข๐จ๐ง ๐๐ซ๐จ๐ญ๐จ๐œ๐จ๐ฅ๐ฌ 3

  • ๐‡๐“๐“๐ & ๐‡๐“๐“๐๐’
  • ๐‡๐“๐“๐: Core protocol for web data transfer
  • ๐‡๐“๐“๐๐’: Encrypted version for secure communication
  • Foundation of modern web interactions

๐…๐ข๐ฅ๐ž ๐“๐ซ๐š๐ง๐ฌ๐Ÿ๐ž๐ซ ๐๐ซ๐จ๐ญ๐จ๐œ๐จ๐ฅ๐ฌ

  • ๐…๐“๐: Standard file transfer between client/server
  • ๐’๐’๐‡: Secure channel for remote operations
  • ๐’๐’๐‹/๐“๐‹๐’: Security layer for network communications

๐‚๐จ๐ซ๐ž ๐ˆ๐ง๐ญ๐ž๐ซ๐ง๐ž๐ญ ๐๐ซ๐จ๐ญ๐จ๐œ๐จ๐ฅ๐ฌ

  • ๐“๐ซ๐š๐ง๐ฌ๐ฉ๐จ๐ซ๐ญ ๐‹๐š๐ฒ๐ž๐ซ
  • ๐“๐‚๐: Reliable, ordered data delivery
  • ๐”๐ƒ๐: Fast, connectionless communication
  • Essential for internet functionality

๐๐ž๐ญ๐ฐ๐จ๐ซ๐ค ๐‹๐š๐ฒ๐ž๐ซ

  • ๐ˆ๐: Handles packet routing across networks
  • ๐ƒ๐‡๐‚๐: Manages automatic IP addressing

๐’๐ฉ๐ž๐œ๐ข๐š๐ฅ๐ข๐ณ๐ž๐ ๐๐ซ๐จ๐ญ๐จ๐œ๐จ๐ฅ๐ฌ

  • ๐„๐ฆ๐š๐ข๐ฅ ๐‚๐จ๐ฆ๐ฆ๐ฎ๐ง๐ข๐œ๐š๐ญ๐ข๐จ๐ง
  • ๐’๐Œ๐“๐: Handles email sending
  • ๐๐Ž๐3: Manages email retrieval

๐๐ž๐ญ๐ฐ๐จ๐ซ๐ค ๐’๐ž๐ซ๐ฏ๐ข๐œ๐ž๐ฌ

  • ๐๐“๐: Network time synchronization
  • Critical for system coordination

12 Network Protocols

  1. I Spent a Week Studying HTTP Headers โ€” Hereโ€™s What I Learntย ↩

  2. Bash File Descriptor - TCP - /dev/tcpย ↩

  3. Pallavi Ghanshaniโ€™s Postย ↩