Iptables — это брандмауэр, который играет важную роль в обеспечении сетевой безопасности многих систем Linux. В этом руководстве мы расскажем, как выполнять следующие действия с Iptables: вывод списка правил, очистка счетчиков пакетов и байтов, удаление правил, сброс цепочек (удаление всех правил в цепочке), а также полный сброс брандмауэра Iptables.
🟠 High ⏱ 15–60 min Last verified: 13 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: irssi — Use after free when sending SASL login to the server Related CVEs: CVE-2010-1155 CVE-2010-1156 CVE-2016-7044 CVE-2016-7045 CVE-2017-10965 CVE-2017-10966 CVE-2017-15227 CVE-2017-15228 +12 more Upstream summary: Irssi reports: Use after […]
In this guide, we will demonstrate how to configure a highly scalable GitLab infrastructure that manages its own costs, and automatically responds to load by increasing and decreasing available server capacity.
Using a configuration management tool such as Ansible to acquire a certificate makes this task completely automatic and reproducible. In this tutorial, you’ll write an Ansible playbook to acquire a Let’s Encrypt certificate automatically for an Ansible host machine.
🟡 Medium ⏱ 5–30 min Last verified: 12 March 2020 Affected versions: Debian 10 📖 ~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 This tutorial covers How to Set Up Btrfs Snapshots with Snapper on SLES 12 on SLES 12. SLES 12 (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. Step 1 — Check Btrfs Filesystem btrfs filesystem show […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read • Source: OpenBSD 7.5 errata 013_aplsmc Errata topic: Reliability: aplsmc (arm64) Issued: October 31, 2024 Upstream summary: Updating Apple Silicon system firmware to the latest version cripples OpenBSD. This disabled the onboard WiFi. Table of contents […]
🟢 Low ⏱ 5–15 min Last verified: 12 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: libzip — denial of service Related CVEs: CVE-2015-2331 CVE-2017-14107 Upstream summary: libzip developers report: The _zip_read_eocd64 function in zip_open.c in libzip before 1.3.0 mishandles EOCD records, which allows remote attackers […]
🟠 High ⏱ 5–30 min Last verified: 12 March 2020 Affected versions: Windows Server 2019 📖 ~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 […]
🟢 Low ⏱ 5–15 min Last verified: 12 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: newsgrab — insecure file and directory creation Related CVEs: CVE-2005-0153 CVE-2005-0154 Upstream summary: The newsgrab script uses insecure permissions during the creation of the local output directory and downloaded files. […]
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