Door404 is Open Source Project Developed For 2 Reasons,

  • Help Beginners to learn coding .
  • Help Newbie Servers Managers To Learn New Protection Tricks.

It is supported in Linux OS.

Door404 Requirements

  • PHP
  • PHP CUrl

Also ReadCyberChef – A web App For Encryption, Encoding, Compression & Data Analysis

Screenshot

Credit: MrSqar & Rizer