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Three Layers of Security: My Journey with UFW, Fail2Ban, and Logwatch

Strengthening an Existing SIEM Environment with UFW, Fail2Ban, and Logwatch 1.1 "Teaser" Overview For this project, I wanted to improve the security of an existing Ubuntu server and strengthen how our…

  • UFW configured to regulate incoming network traffic and block unwanted connections
  • Fail2Ban installed to automatically ban IP addresses after repeated failed SSH login attempts
  • Logwatch added to organize system logs into readable reports for reviewing suspicious activity

Node.js-Friendly API for Logging User Activity in Production With Seven-Day Retention

A production notification log is useful only if it can reconstruct a failed delivery without turning every player action into permanent storage.

  • Node.js-friendly API for logging user activity in production with seven-day retention
  • Key fields: eventid, userid, notificationid, attempt, status, occurredat, provider, traceid
  • Minimal ingestion request with Authorization, Content-Type, Idempotency-Key headers

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