MAMuhammad Alfian Tirta Kusumainblog-alfian.hashnode.dev·Apr 18 · 3 min readIntercepting Dangerous Shell Commands with ShellfirmShellfirm is a lightweight safety layer for interactive shells that helps prevent accidental or malicious execution of destructive commands. It works by installing a small shell hook that inspects eac00
MAMuhammad Alfian Tirta Kusumainblog-alfian.hashnode.dev·Apr 18 · 2 min readAuditing Command Execution with SnoopySnoopy is a lightweight, unobtrusive auditing tool for Unix-like systems that records every command executed on the host. It works as a small library wrapper that logs command execution details (times00
MAMuhammad Alfian Tirta Kusumainblog-alfian.hashnode.dev·Apr 18 · 3 min readSending SSH Login Alerts to TelegramMonitoring SSH logins is a simple but powerful way to improve the security and situational awareness of your servers. By sending immediate alerts when someone authenticates (or fails to authenticate) 00
MAMuhammad Alfian Tirta Kusumainblog-alfian.hashnode.dev·Apr 18 · 5 min readPreventing Brute Force Attacks with Fail2banFail2ban is a lightweight, widely used intrusion prevention tool that helps protect servers from brute-force attacks and other repeated authentication failures. It continuously monitors log files (for00
MAMuhammad Alfian Tirta Kusumainblog-alfian.hashnode.dev·Apr 18 · 3 min readControlling Port Access with UFWUFW (Uncomplicated Firewall) is a user-friendly front end for iptables designed to make managing a host-based firewall simpler. It’s available on Debian/Ubuntu and many other Linux distributions and p00