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FreeBSD 12 — kronolith — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — kronolith — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kronolith — arbitrary local file inclusion vulnerability Upstream summary: iDefense Labs reports: Remote exploitation of a design error in Horde's Kronolith could allow an authenticated web mail user to execute […]

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FreeBSD 12 — firefox-ja — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — firefox-ja — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — code execution via Quicktime media-link files Related CVEs: CVE-2006-4965 CVE-2006-6077 CVE-2007-0008 CVE-2007-0009 CVE-2007-0775 CVE-2007-0776 CVE-2007-0777 CVE-2007-0778  +11 more Upstream summary: The Mozilla Foundation reports a vulnerability within the […]

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How to Configure Edge Transport Server for Email on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Edge Transport Server for Email on Windows Server 2019

Overview of Edge Transport Server for Email An Edge Transport server sits in the DMZ between the internet and your internal Exchange organization. It handles inbound and outbound SMTP, anti-spam filtering, antivirus scanning, address rewriting, and connector configuration without being a domain member, thereby limiting what an attacker gains if the edge server is compromised. […]

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Oracle Linux 8 — perl-File-Find-Rule — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — perl-File-Find-Rule — vulnerability — patch and remediation guide (ELSA-2025-9605)

🟠 High   ⏱ 15–60 min  Last verified: 12 February 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-9605 Related CVEs: CVE-2011-10007 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Set Up a VPN Server with StrongSwan IPsec on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a VPN Server with StrongSwan IPsec on RHEL 7

How to Set Up a VPN Server with StrongSwan IPsec on RHEL 7 A Virtual Private Network (VPN) allows remote users and branch offices to securely connect to your corporate network over the public internet. StrongSwan is a robust, open-source IPsec-based VPN solution that supports IKEv2, the modern and recommended key-exchange protocol for road-warrior configurations. […]

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A Deep Dive into Iptables and Netfilter Architecture — step-by-step Security tutorial on Progressive Robot

A Deep Dive into Iptables and Netfilter Architecture

Firewalls are an important tool that can be configured to protect your servers and infrastructure. In the Linux ecosystem, iptables is a widely used firewall tool that interfaces with the kernel’s netfilter packet filtering framework. For users and administrators who…

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