October 2021 - Page 39 of 69

How to Configure OpenDKIM with Postfix on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure OpenDKIM with Postfix on FreeBSD 13

Introduction How to Configure OpenDKIM with Postfix on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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FreeBSD 13 — tightvnc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — tightvnc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: TightVNC — Muliple Vulnerabilities Related CVEs: CVE-2019-15678 CVE-2019-15679 CVE-2019-15680 CVE-2019-8287 Upstream summary: MITRE reports: TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result […]

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FreeBSD 13 — zenphoto — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — zenphoto — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zenphoto — multiple vulnerabilities Related CVEs: CVE-2007-6666 CVE-2015-5591 CVE-2015-5592 CVE-2015-5593 CVE-2015-5594 CVE-2015-5595 Upstream summary: zenphoto reports: Fixes several SQL Injection, XSS and path traversal security issues Table of contents Symptom […]

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FreeBSD 13 — libgcrypt — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libgcrypt — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libgcrypt — ECDSA timing attack Related CVEs: CVE-2013-4242 CVE-2015-7511 CVE-2016-6313 CVE-2017-0379 CVE-2017-7526 CVE-2018-0495 CVE-2019-13627 Upstream summary: GnuPG reports: Mitigate an ECDSA timing attack. Table of contents Symptom & Impact Environment […]

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Common Problems 113441

Windows Server 2012 R2 — Remote Desktop Services hangs at startup — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 03 May 2027 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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FreeBSD 13 — py37-ansible-base — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py37-ansible-base — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Ansible — Ansible user credentials disclosure in ansible-connection module Related CVEs: CVE-2021-3583 CVE-2021-3620 Upstream summary: Red Hat reports: A flaw was found in Ansible Engine's ansible-connection module, where sensitive information […]

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FreeBSD 13 — git-subversion — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — git-subversion — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: git — integer overflow Related CVEs: CVE-2015-7545 CVE-2016-2324 Upstream summary: Debian reports: integer overflow due to a loop which adds more to "len". Table of contents Symptom & Impact Environment […]

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FreeBSD 13 — linux-f10-nss — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-f10-nss — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: NSS — multiple vulnerabilities Related CVEs: CVE-2009-3555 CVE-2010-0173 CVE-2010-0174 CVE-2010-0175 CVE-2010-0176 CVE-2010-0177 CVE-2010-0178 CVE-2010-0179  +3 more Upstream summary: Mozilla Foundation reports: An out-of-bounds write during Base64 decoding operation in the […]

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How to Manage Users and Groups on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Manage Users and Groups on Debian 9

Introduction Deploying manage users and groups on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you […]

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