JorgeByte

Knowledge base

Reports and technical notes sharing practical backend, Linux infrastructure, and web security solutions.

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Security configuration and SSL/TLS diagram in Nginx Reverse Proxy
Web Servers• Feb 28, 2026•11 min read

Nginx Hardening & SSL/TLS: Advanced Security and HTTP Headers Configuration

Technical guide for securing and optimizing Nginx web servers. Strict TLS 1.3 encryption, HSTS, Rate Limiting, CSP policies, and sensitive header masking.

#nginx #ssl #tls #seguridad #sysadmin #devops #backend #web
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Network traffic mitigation diagram for DDoS protection
Security• Feb 21, 2026•12 min read

DDoS Attack Analysis & Mitigation: Network Architecture and Hardening Guide

Technical manual covering DoS/DDoS attack vectors (UDP Amplification, SYN Flood, HTTP Flood), Linux kernel mitigation with iptables/sysctl, and production defense strategies.

#seguridad #redes #infraestructura #ddos #waf #iptables #docker #sysadmin
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Security layers diagram for Linux VPS servers
Infrastructure• Feb 19, 2026•10 min read

Linux VPS Server Hardening: Professional Production Security Manual

Operational manual for securing Linux servers (Ubuntu/Debian/RHEL). Strict OpenSSH configuration, UFW/nftables firewall policies, sudoers management, and Fail2ban installation.

#linux #sysadmin #seguridad #vps #ssh #ufw #fail2ban #devops
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