PNRAO Cyber Security Blog

Cyber Security • Network Security • Cloud Security • SIEM • SOC Operations

Sophos Firewall Hardening Checklist 2026

Essential security settings, MFA, IPS, VPN, web filtering and firewall hardening best practices for Sophos XGS firewalls.

Sophos Firewall

Wazuh SIEM Deployment Guide

Deploy and secure an enterprise SIEM using Wazuh Open Source XDR platform with centralized monitoring and threat detection.

Wazuh SIEM

Microsoft 365 Security Baseline

Secure Exchange Online, Entra ID, Conditional Access, MFA and Microsoft 365 security controls.

Microsoft 365

WireGuard VPN on Oracle Cloud

Deploy a secure WireGuard VPN server on Oracle Cloud Free Tier Ubuntu VPS and connect remote users securely.

VPN

Sophos Firewall Best Practices Guide 2026

Security monitoring, VPN, IPS, web filtering, SD-WAN and enterprise firewall deployment recommendations.

Sophos

SOC2 Readiness Checklist 2026

Comprehensive checklist covering security controls, policies, asset management, SIEM, backup and compliance readiness.

SOC2

Secure Nginx Proxy Manager – Best Practices Guide

Learn how to secure Nginx Proxy Manager using Cloudflare, SSL certificates, Docker security and monitoring.

Nginx Proxy Manager

OpenVAS Vulnerability Scanning Guide

Install and configure OpenVAS for vulnerability assessment, reporting and security auditing.

OpenVAS

Cloudflare Security Configuration Guide

Configure SSL, WAF, Rate Limiting, Security Headers, DDoS protection and Zero Trust security.

Cloudflare

Ubuntu Server Hardening Guide 2026

SSH hardening, UFW, Fail2Ban, audit logging, Docker security, patching and Linux security best practices.

Linux Security

FortiGate CLI Commands Cheat Sheet 2026

Essential FortiGate commands for troubleshooting routing, VPN, NAT, firewall policies, sessions and monitoring.

FortiGate

Oracle Cloud VPS Hosting with Docker, Nginx Proxy Manager and Cloudflare

Complete deployment guide using Oracle Cloud Free Tier, Docker, Nginx Proxy Manager, Cloudflare SSL, Uptime Kuma and Google Search Console.

Oracle Cloud

FortiGate Firewall Hardening Best Practices (2026)

Comprehensive FortiGate firewall hardening guide covering FortiOS security, administrator protection, MFA, IPS, SSL inspection, VPN security, security profiles, logging, and enterprise best practices for securing FortiGate deployments.

FortiGate

CrowdSec Complete Installation & Hardening Guide (2026)

Step-by-step guide to installing, configuring, and hardening CrowdSec on Ubuntu. Learn how to protect SSH, Nginx, Docker, Nginx Proxy Manager, Cloudflare, and Oracle Cloud VPS using CrowdSec Security Engine, Firewall Bouncer, AppSec, and the CrowdSec Console.

CrowdSec Linux Hardening