🟡 Medium ⏱ 5–30 min Last verified: 26 December 2020 📖 ~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 & Cross-Refs References & Further […]
🟡 Medium ⏱ 5–30 min Last verified: 26 December 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 & […]
Introduction Setting up configure selinux policies on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure SELinux Policies on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]
🟡 Medium ⏱ 5–30 min Last verified: 26 December 2020 📖 ~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 & Cross-Refs References & Further […]
🟡 Medium ⏱ 5–30 min Last verified: 26 December 2020 📖 ~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 & Cross-Refs References & Further […]
🟢 Low ⏱ 5–15 min Last verified: 26 December 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7502-1 Related CVEs: CVE-2020-13756 Upstream summary: It was discovered that Horde Css Parser did not correctly handle parsing uncontrolled CSS data. An attacker could possibly use this issue to perform […]
🟠 High ⏱ 5–30 min Last verified: 26 December 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 […]
A network intrusion detection application can monitor your network interfaces for suspicious traffic and attempted security breaches. In this guide, we will configure a tool called psad to monitor our firewall logs and determine if there is a problem. We will be configuring psad on an Ubuntu 12.04 machine to detect intrusion attempts on our servers.
🟢 Low ⏱ 5–15 min Last verified: 26 December 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5175-1 Related CVEs: CVE-2020-15025 CVE-2019-8936 Upstream summary: It was discovered that ntpd incorrectly handled memory when CMAC keys were used. A remote attacker could possibly use this issue to cause […]
In web applications, you usually need a database to store and maintain persistent data. Flask is a lightweight Python web framework that provides useful tools and features for creating web applications in the Python Language. MongoDB is a general-purpose, document-oriented, NoSQL database program that uses JSON-like documents to store data. In this tutorial, you’ll build a small todo list web application that demonstrates how to use the PyMongo library, a MongoDB database driver.
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