April 2020 - Page 5 of 66

How To Build a Rate Limiter With Node.js on App Platform — step-by-step Javascript tutorial on Progressive Robot

How To Build a Rate Limiter With Node.js on App Platform

Rate limiting manages your network’s traffic and limits the number of times someone repeats an operation in a given duration, such as using an API. A service without a layer of security against rate limit abuse is prone to overload and hampers your application’s proper operation for legitimate customers. In this tutorial, you will build a Node.js project deployed on the cloud provider’s App Platform that protects a Cloudflare routed domain with rate limiting.

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FreeBSD 12 — linux-f10-flashplugin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-f10-flashplugin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: flash — multiple vulnerabilities Related CVEs: CVE-2008-4546 CVE-2009-3793 CVE-2009-3794 CVE-2009-3796 CVE-2009-3797 CVE-2009-3798 CVE-2009-3799 CVE-2009-3800  +12 more Upstream summary: Adobe reports: These updates resolve type confusion vulnerabilities that could lead to […]

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How to Install and Configure iSCSI Initiator on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install and Configure iSCSI Initiator on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install and configure iscsi initiator both straightforward and auditable. This tutorial covers the complete procedure for how to Install and Configure iSCSI Initiator on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Automating Server Setup with Ansible: Набор материалов для тренинга the cloud provider — step-by-step Devops tutorial on Progressive Robot

Automating Server Setup with Ansible: Набор материалов для тренинга the cloud provider

<$>[note​​​] [label Материалы для проведения тренинга по автоматизации настройки сервера с помощью Ansible] Данный набор материалов для тренинга предназначен для ознакомления технических специалистов с понятиями управления конфигурацией и использованием Ansible для автоматизации настройки…

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openSUSE Tumbleweed — qpid-proton — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — qpid-proton — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2016-2166 Upstream summary: The (1) proton.reactor.Connector, (2) proton.reactor.Container, and (3) proton.utils.BlockingConnection classes in Apache Qpid Proton before 0.12.1 improperly use an unencrypted connection for an […]

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openSUSE Tumbleweed — libssh2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libssh2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-1782 CVE-2016-0787 CVE-2019-17498 CVE-2019-3855 CVE-2019-3856 CVE-2019-3857 CVE-2019-3858 CVE-2019-3859  +4 more Upstream summary: The kex_agree_methods function in libssh2 before 1.5.0 allows remote servers to cause a […]

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Common Problems 114567

NTP Traffic Blocked By firewalld Rules

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 […]

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Amazon Linux 2 — file — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — file — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1370 Related CVEs: CVE-2019-18218 CVE-2018-10360 Upstream summary: cdf_read_property_info in cdf.c in file through 5.37 does not restrict the number of CDF_VECTOR elements, which allows a heap-based buffer overflow (4-byte out-of-bounds […]

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What is SSH? — step-by-step Security tutorial on Progressive Robot

What is SSH?

Secure Shell — more commonly known as SSH — is a cryptographic network protocol that allows users to securely access one computer from another over an unsecured network.

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