High‑Performance Caching with NGINX and NGINX Plus

2016-08-25 KENNETH 0

High‑Performance Caching with NGINX and NGINX Plus This post is adapted from a webinar by Owen Garrett, introduced by Andrew Alexeev. Table of Contents Introduction  0:00 Introduction  1:22 About This Webinar  2:17 Basic Principles of Content Caching  2:35 Basic Principles  3:59 Mechanics of HTTP Caching  7:46 What does NGINX cache? Content Caching and NGINX  9:55 NGINX in Operation 10:06 NGINX Config 11:14 Caching Process 15:32 Caching is Not Just for HTTP 17:10 How To Understand What’s Going On 17:38 Cache Instrumentation 19:08 Cache Instrumentation (Cont.) 20:09 Extended Status 21:57 How Content Caching Functions in NGINX 22:40 How It Works 23:53 How is Cached Content Stored? 26:36 Loading Cache From Disk 28:07 Managing the Disk Cache 29:22 Purging Content From Disk Controlling Caching 31:27 Controlling Caching 32:30 Delayed Caching 34:45 Control Over Cache Time 36:18 Cache / Don’t Cache 37:25 Multiple Caches 39:07 [ more… ]

Halo 5: Forge coming to the Windows Store on September 8

2016-08-25 KENNETH 0

Halo 5: Forge coming to the Windows Store on September 8 Halo 5: Forge lets map makers, creative visionaries, and Spartans of all kinds build, share, and play new levels, maps, and experiences across Windows 10 and Xbox One. Halo 5: Forge brings the entire Forge level-creation experience from Halo 5: Guardians to Windows 10, with support for mouse and keyboard, higher-resolution displays (including 4k), the ability to host and play custom matches for up to 16 players, and a new content browser that spans platforms. Download new levels from the Forge community created on either Windows 10 or Xbox One. Customize existing maps or create your own from scratch. Halo 5: Forge opens the door to new possibilities in Halo 5: Guardians on Xbox One and beyond. To learn more about today’s announcement and about Anvil’s Legacy content coming [ more… ]

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USN-3068-1: Libidn vulnerabilities

2016-08-25 KENNETH 0

USN-3068-1: Libidn vulnerabilities Ubuntu Security Notice USN-3068-1 24th August, 2016 libidn vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Several security issues were fixed in Libidn. Software description libidn – implementation of IETF IDN specifications Details Thijs Alkemade, Gustavo Grieco, Daniel Stenberg, and NikosMavrogiannopoulos discovered that Libidn incorrectly handled invalid UTF-8characters. A remote attacker could use this issue to cause Libidn tocrash, resulting in a denial of service, or possibly disclose sensitivememory. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.(CVE-2015-2059) Hanno Böck discovered that Libidn incorrectly handled certain input. Aremote attacker could possibly use this issue to cause Libidn to crash,resulting in a denial of service. (CVE-2015-8948, CVE-2016-6262,CVE-2016-6261, CVE-2016-6263) Update instructions The problem can be corrected by updating your system to the [ more… ]

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USN-3067-1: HarfBuzz vulnerabilities

2016-08-25 KENNETH 0

USN-3067-1: HarfBuzz vulnerabilities Ubuntu Security Notice USN-3067-1 24th August, 2016 harfbuzz vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary HarfBuzz could be made to crash or run programs as your login if it processed specially crafted data. Software description harfbuzz – OpenType text shaping engine Details Kostya Serebryany discovered that HarfBuzz incorrectly handled memory. Aremote attacker could use this issue to cause HarfBuzz to crash, resultingin a denial of service, or possibly execute arbitrary code. (CVE-2015-8947) It was discovered that HarfBuzz incorrectly handled certain length checks.A remote attacker could use this issue to cause HarfBuzz to crash,resulting in a denial of service, or possibly execute arbitrary code.This issue only applied to Ubuntu 16.04 LTS. (CVE-2016-2052) Update instructions The problem can be corrected by updating your system to the following [ more… ]

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RHSA-2016:1763-1: Moderate: qemu-kvm-rhev security update

2016-08-25 KENNETH 0

RHSA-2016:1763-1: Moderate: qemu-kvm-rhev security update Red Hat Enterprise Linux: An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 9.0 (Mitaka). Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Source: RHSA-2016:1763-1: Moderate: qemu-kvm-rhev security update