Logging Monitoring

How to Configure Remote Access VPN with SSTP on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Remote Access VPN with SSTP on Windows Server 2019

Introduction to Remote Access VPN with SSTP on Windows Server 2019 Secure Socket Tunneling Protocol (SSTP) is a Microsoft VPN protocol that tunnels PPP traffic over HTTPS (port 443). Because it uses port 443, SSTP traverses almost all firewalls and web proxies that allow HTTPS traffic, making it one of the most compatible VPN protocols […]

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Common Problems 112569

Windows Server 2019 — Cluster service fails to form quorum after node reboot — Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 8 April 2022 Affected versions: Windows Server 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 […]

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AlmaLinux 8 — smartmontools — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — smartmontools — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:4487 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — apache+mod_ssl+mod_snmp+mod_deflate — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache+mod_ssl+mod_snmp+mod_deflate — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache — Prevent chunk-size integer overflow on platforms where sizeof(int) < sizeof(long) Related CVEs: CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 Upstream summary: Apache ChangeLog reports: Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c […]

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FreeBSD 13 — py38-flask-security — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-flask-security — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-flask-security — user redirect to arbitrary URL vulnerability Related CVEs: CVE-2021-23385 Upstream summary: Snyk reports: This affects all versions of package Flask-Security. When using the `get_post_logout_redirect` and `get_post_login_redirect` functions, it […]

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FreeBSD 13 — apache-ant — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache-ant — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Apache Ant leaks sensitive information via the java.io.tmpdir Related CVEs: CVE-2020-1945 Upstream summary: Apache reports: Apache Ant 1.1 to 1.9.14 and 1.10.0 to 1.10.7 uses the default temporary directory identified […]

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AlmaLinux 8 — gjs — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gjs — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817  +9 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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FreeBSD 13 — rar — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rar — password prompt buffer overflow vulnerability Related CVEs: CVE-2007-0855 Upstream summary: iDefense reports: Remote exploitation of a stack based buffer overflow vulnerability in RARLabs Unrar may allow an attacker […]

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Debian 10 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libxml2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 April 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-29824 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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AlmaLinux 8 — perl-Convert-ASN1 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Convert-ASN1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:3049 Related CVEs: CVE-2013-7488 Upstream summary: Convert::ASN1 encodes and decodes ASN.1 data structures using BER/DER rules. Security Fix(es): * perl-Convert-ASN1: allows remote attackers to cause an infinite loop via unexpected input (CVE-2013-7488) […]

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