How to Configure Windows Server 2016 VLAN Tagging Virtual Local Area Networks (VLANs) segment a single physical network into multiple logical networks, providing traffic isolation, improved security, and better bandwidth management. Windows Server 2016 supports VLAN tagging both on physical network adapters and on Hyper-V virtual switches, allowing servers and virtual machines to participate in […]
Although hosting several sites on a single virtual private server is not a challenge with the use of virtual hosts, providing separate SSL certificates for each site traditionally required separate IP addresses. The process has recently been simplified through the use of Server Name Indication (SNI), which sends a site visitor the certificate that matches the requested server name.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2004-1318 CVE-2008-1468 CVE-2009-5028 CVE-2011-4345 Upstream summary: Cross-site scripting (XSS) vulnerability in namazu.cgi for Namazu 2.0.13 and earlier allows remote attackers to inject arbitrary HTML and web script via […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2022-27650 Upstream summary: A flaw was found in crun where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5325-1 Related CVEs: CVE-2019-20044 CVE-2021-45444 CVE-2018-0502 CVE-2018-1100 CVE-2018-13259 CVE-2018-1071 CVE-2018-1083 CVE-2014-10070 +7 more Upstream summary: Sam Foxman discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2023:712-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-23437 Upstream summary: There's a vulnerability within the Apache Xerces Java (XercesJ) XML parser when handling specially crafted XML document payloads. This causes, the XercesJ […]
Ruby is a dynamic, object-oriented programming language best known as the language behind Ruby on Rails, the influential web framework that popularised convention-over-configuration and RESTful web applications. rbenv is the standard Ruby version manager for production servers — it allows installing and switching between multiple Ruby versions per user or per directory, without requiring root […]
In this tutorial you will learn how to configure Suricata’s built-in Intrusion Prevention System (IPS) mode. When you enable IPS mode, Suricata can actively drop suspicious network traffic in addition to generating alerts. Once you know which signatures you would like to use in IPS mode, you’ll convert their default action to drop or reject traffic. With your signatures in place, you’ll learn how to send network traffic through Suricata using the netfilter NFQUEUE iptables target.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202102-21 Related CVEs: CVE-2021-20217 CVE-2021-20216 Upstream summary: Type: denial of service. Status: Fixed. Affected: 3.0.30-1. Fixed in: 3.0.31-1. Group: AVG-1524. Table of contents Symptom & Impact Environment & Reproduction Root […]
🟡 Medium ⏱ 15–45 min Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2007-4798, IBM Support Bulletin CVE: CVE-2007-4798 NVD summary: Unspecified vulnerability in invscout in Inventory Scout in invscout.rte in IBM AIX 5.2 and 5.3 allows local users to delete system files that have […]
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