Firewall

How to Perform a Security Audit on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Perform a Security Audit on FreeBSD 12

Introduction Deploying perform a security audit on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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How to Configure IPv6 on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure IPv6 on Windows Server 2016

How to Configure IPv6 on Windows Server 2016 IPv6 is the next-generation Internet Protocol designed to replace IPv4. It uses 128-bit addresses, providing a vastly larger address space compared to IPv4’s 32-bit addresses. Windows Server 2016 has native IPv6 support built into the networking stack and it is enabled by default on all network adapters. […]

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How to Set Up SonarQube Code Analysis on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up SonarQube Code Analysis on Debian 9

Introduction How to Set Up SonarQube Code Analysis 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 Debian […]

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How to Configure Suricata IDS/IPS on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Suricata IDS/IPS on RHEL 7

How to Configure Suricata IDS/IPS on RHEL 7 Suricata is a high-performance, open-source network threat detection engine maintained by the Open Information Security Foundation (OISF). It can operate as an Intrusion Detection System (IDS), passively monitoring traffic and alerting on suspicious patterns, or as an Intrusion Prevention System (IPS), actively blocking malicious connections using the […]

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Common Problems 113563

Windows Server 2012 R2 — VPN sessions fail due to MTU mismatch and packet fragmentation — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 September 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Automate Backups with rsync on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Automate Backups with rsync on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up automate backups with rsync 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 Linux […]

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How to Configure Virtual Memory with rmss on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Virtual Memory with rmss on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure virtual memory with rmss on ibm aix 7.2 […]

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How to Configure flrtvc for Vulnerability Assessment on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure flrtvc for Vulnerability Assessment on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure flrtvc for vulnerability assessment on ibm aix 7.1 […]

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How to Configure AIX as an NIS Server on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure AIX as an NIS Server on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure aix as an nis server on ibm aix […]

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How to Install SQLite on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install SQLite on FreeBSD 12

Introduction This guide explains how to Install SQLite on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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