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Build an FTP Server

Build an FTP server: control + data connection model, USER/PASS/CWD/RETR/STOR commands, active vs passive modes (PORT/PASV/EPSV), ASCII vs binary transfers, MLSD listings, FTPS (TLS) and how it compares to modern alternatives like SFTP and HTTPS upload.

intermediate10 lessons4 chapters10 graded exercisesPython

No sign-up needed for lesson 1 · certificate on completion · sign up to save progress

What you’ll have built

Chapter by chapter. Every step is a graded exercise.

  • FTP Basics
  • Active vs Passive
  • Files & Directories
  • Modern Alternatives
Starts in Python — solve in the language you choose in the editor, same tests either way.

Curriculum

4 chapters, 10 lessons. Each lesson is a short read, one graded exercise, and a quiz.

  1. 1FTP — File Transfer ProtocolRead · exercise · quiz
  2. 2Control CommandsRead · exercise · quiz
  3. 3ASCII vs BinaryRead · exercise · quiz
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