Introduction Setting up configure traefik reverse proxy on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Traefik Reverse Proxy on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to […]
Introduction Deploying write ansible playbooks for debian 11 systems on a Debian 11 Bullseye 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 […]
🟢 Low ⏱ 5–15 min Last verified: 2 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2009-2474 Upstream summary: neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2022:2129 Related CVEs: CVE-2021-38165 Upstream summary: Lynx is a text-based Web browser. Lynx does not display any images, but it does support frames, tables, and most other HTML tags. Security Fix(es): * […]
🟡 Medium ⏱ 10–30 min Last verified: 2 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-6911 Related CVEs: CVE-2022-41032 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202005-05 Related CVEs: CVE-2019-12519 CVE-2019-12521 CVE-2020-11945 CVE-2020-25097 CVE-2021-28116 CVE-2021-28651 CVE-2021-28652 CVE-2021-28662 +10 more Upstream summary: Multiple vulnerabilities have been discovered in Squid. Please review the CVE identifiers referenced below for details. Table […]
🟢 Low ⏱ 5–15 min Last verified: 2 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-23556 Upstream summary: The package guake before 3.8.5 are vulnerable to Exposed Dangerous Method or Function due to the exposure of execute_command and execute_command_by_uuid methods via the d-bus […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2022:10147-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-41550 CVE-2016-10324 CVE-2016-10325 CVE-2016-10326 CVE-2017-7853 Upstream summary: GNU oSIP v5.3.0 was discovered to contain an integer overflow via the component osip_body_parse_header. Table of contents Symptom […]
How to Configure iptables Firewall Rules on RHEL 7 RHEL 7 ships with firewalld as the default firewall management layer, but many system administrators prefer to work directly with iptables, the underlying Linux netfilter framework. iptables provides precise, stateful packet filtering through a chain-based rule system and is the right choice when you need fine-grained […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2021:1187-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-20314 Upstream summary: Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code […]
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