Website Backup Strategy & Automation Script
Automated website file and database backup script with local retention and remote S3/object storage sync.
Apply least-privilege and defense-in-depth principles. Harden servers, TLS, security headers, WAF and backups. Continuously validate with scripts and configurations.
Automated website file and database backup script with local retention and remote S3/object storage sync.
One-click SSL certificate setup with Certbot and Let's Encrypt — single domain, wildcard, auto-renewal, and troubleshooting.
A complete server security hardening script — non-root user, SSH lockdown, UFW firewall, Fail2Ban, and auto-updates.
HTTP security headers are the first line of defense against XSS, clickjacking, MIME sniffing, and other web attacks.
AI prompt template and resources for Security Hardening
Binding IP addresses to MAC addresses as static ARP entries on Linux helps prevent ARP spoofing attacks on the LAN. This article covers the immediate-effect arp -s command and writing it into rc.local for auto-binding at boot.