Security Hardening

How to Set Up an FTP Server on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up an FTP Server on Windows Server 2012 R2

How to Set Up an FTP Server on Windows Server 2012 R2 The File Transfer Protocol (FTP) has been a cornerstone of file exchange for decades. While modern alternatives like SFTP and HTTPS uploads exist, FTP remains common in many environments — particularly for web content deployment, legacy application integration, and transfer to network appliances. […]

Read more
FreeBSD 12 — py34-django-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py34-django-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: django — multiple vulnerabilities Related CVEs: CVE-2014-0480 CVE-2014-0481 CVE-2014-0482 CVE-2014-0483 CVE-2015-0219 CVE-2015-0220 CVE-2015-0221 CVE-2015-0222  +12 more Upstream summary: Tim Graham reports: Malicious redirect and possible XSS attack via user-supplied redirect […]

Read more
How to Install Node.js 14 LTS on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Node.js 14 LTS on Debian 10

Introduction How to Install Node.js 14 LTS on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 10. […]

Read more
FreeBSD 12 — knot — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — knot — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: BIND,Knot,NSD,PowerDNS — denial over service via oversized zone transfers Related CVEs: CVE-2016-6170 CVE-2016-6171 CVE-2016-6172 CVE-2016-6173 Upstream summary: ISC reports: DNS protocols were designed with the assumption that a certain amount […]

Read more
SLES 12 — libjson-c2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libjson-c2 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 May 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:108-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12762 Upstream summary: json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend. Table of contents […]

Read more
Common Problems 117502

Ubuntu 20.04 LTS NTP Drift Causes TLS and Token Failures

🟠 High   ⏱ 5–30 min  Last verified: 9 May 2020 Affected versions: 20.04 LTS 📖 ~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 & […]

Read more
FreeBSD 12 — zh-openoffice-TW — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zh-openoffice-TW — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]

Read more
Common Problems 112890

Windows Server 2016 – Hyper-V live migration fails with authentication errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 May 2020 Affected versions: Windows Server 2016 📖 ~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 […]

Read more
openSUSE Tumbleweed — kaffeine — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kaffeine — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2006:008 (see also SUSE bugzilla) Related CVEs: CVE-2006-0051 Upstream summary: Buffer overflow in playlistimport.cpp in Kaffeine Player 0.4.2 through 0.7.1 allows user-assisted attackers to execute arbitrary code via long HTTP request headers […]

Read more
How to Set Up Minikube on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up Minikube on SLES 15

Introduction This tutorial covers How to Set Up Minikube on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh […]

Read more
CHAT