How to Harden Web Servers: Security Headers, CSP and HSTS on RHEL 7 HTTP security headers are one of the most cost-effective controls available to web server administrators. They instruct the browser to enforce strict content handling rules, preventing common attacks such as cross-site scripting (XSS), clickjacking, MIME-type confusion, and protocol downgrade attacks — without […]
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up a node.js forever process manager on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]
Introduction to IIS Centralized Certificate Store on Windows Server 2019 The IIS Centralized Certificate Store (CCS) allows you to store SSL/TLS certificates on a central UNC file share and have all IIS servers in a web farm read certificates directly from that share. Without CCS, you must manually install and renew certificates on every individual […]
Introduction to IIS Authentication on Windows Server 2019 IIS 10 on Windows Server 2019 supports multiple authentication mechanisms, each suitable for different scenarios. Anonymous Authentication allows unauthenticated access (public websites). Windows Authentication uses Kerberos or NTLM to authenticate domain users transparently (intranet applications). Basic Authentication sends credentials in Base64 (requires HTTPS). Digest Authentication uses MD5 […]
Introduction This guide explains how to Install Rust with rustup on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]
🟡 Medium ⏱ 5–30 min Last verified: 4 September 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
Introduction How to Set Up Snort Network Intrusion Detection on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]
How to Build and Deploy a Go Web Application on RHEL 7 Go’s standard library includes a production-capable HTTP server in the net/http package. Unlike Java or Python, you do not need an external application server or framework to serve web traffic — the Go runtime handles it natively with impressive performance. This guide covers […]
Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure sudo for non-root users on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any […]
How to Configure PostgreSQL Remote Access and SSL on RHEL 7 By default, PostgreSQL on RHEL 7 only accepts connections from localhost and rejects all remote clients. For multi-tier applications where the web or application server runs on a separate host from the database, you need to explicitly open PostgreSQL to remote connections — and […]
