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    IT(금융IT/보안), 중국어, 영어와 관련된 모든 궁금증! / All About IT (FinTech & Security), Your Ultimate Guide!

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    Year: 2025

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    SATA vs SAS vs NVMe : Storage Interface Comparison

    2025년 09월 07일2025년 09월 07일 HaydenLeave a Comment on SATA vs SAS vs NVMe : Storage Interface Comparison

    When building or upgrading a computer system, choosing the right storage interface is one of the most critical decisions you’ll […]

    Infrastructure NVMe, PCIe, SAS, SATA, SSD, storage interface

    PRTG Network Monitor: Features, Installation and Operation

    2025년 09월 03일 HaydenLeave a Comment on PRTG Network Monitor: Features, Installation and Operation

    Today, we’ll explore PRTG Network Monitor from basic concepts to installation and practical usage, making it accessible even for newcomers […]

    Infrastructure, Network, Server network monitoring, NMS, PRTG, PRTG Network Monitor

    [Windows AD GPO] How to Enforce Screen Saver Settings

    2025년 09월 03일 HaydenLeave a Comment on [Windows AD GPO] How to Enforce Screen Saver Settings

    Today, we’ll explore how to use Active Directory Group Policy Objects (GPO) to enforce screen saver settings across all domain […]

    Security, Windows AD GPO, Screen Saver, Windows security

    How To Restrict Windows Login Hours Using AD GPO Policies

    2025년 09월 02일2025년 09월 07일 HaydenLeave a Comment on How To Restrict Windows Login Hours Using AD GPO Policies

    This post will walk you through how to effectively restrict Windows login hours using AD GPO policies with step-by-step instructions. […]

    Security, Windows AD GPO, Logon Hours Restriction, Windows security

    [Windows GPO/Registry] Configure RDP Concurrent Session Limits

    2025년 09월 02일 HaydenLeave a Comment on [Windows GPO/Registry] Configure RDP Concurrent Session Limits

    If you’ve ever encountered the message “The number of connections to this computer is limited and all connections are in […]

    Security, Windows AD GPO, RDP, Registry

    [Windows Security] Change Default RDP Port 3389 Via GPO/Registry

    2025년 09월 02일 HaydenLeave a Comment on [Windows Security] Change Default RDP Port 3389 Via GPO/Registry

    In this post, we’ll look at how to enhance Windows system security by changing the default Remote Desktop Protocol (RDP) […]

    Security, Windows 3389, AD GPO, RDP, Windows security

    Google Search Console: Crawled/Discovered – Currently Not Indexed?

    2025년 09월 01일 HaydenLeave a Comment on Google Search Console: Crawled/Discovered – Currently Not Indexed?

    If you’re running a WordPress or any content management system, you’ve probably encountered one of the most common messages in […]

    WordPress crawled currently not indexed, discovered currently not indexed, Google search console

    Google Search Console “Redirect Errors”: Impact on Search Traffic and AdSense Revenue

    2025년 09월 01일 HaydenLeave a Comment on Google Search Console “Redirect Errors”: Impact on Search Traffic and AdSense Revenue

    In this post, we’ll take a closer look at how the ‘Redirect Error’ in Google Search Console can affect Google […]

    WordPress AdSense revenue, Google search console, redirect errors, Wordpress

    [WordPress- Polylang Plugin] Duplicate Content Killing My AdSense Revenue

    2025년 09월 01일 HaydenLeave a Comment on [WordPress- Polylang Plugin] Duplicate Content Killing My AdSense Revenue

    How Polylang Saved My Blog! In this post, I’ll share how duplicate content was eating away at my AdSense revenue, […]

    WordPress AdSense revenue, duplicate content, hreflang, Polylang plugin, Wordpress

    ITIL, COBIT, ISO 20000 : IT Governance Framework Comparison

    2025년 08월 31일 HaydenLeave a Comment on ITIL, COBIT, ISO 20000 : IT Governance Framework Comparison

    Choosing an IT governance framework isn’t just a technical decision—it’s a strategic choice that directly impacts your organization’s future competitiveness. […]

    ETCs, IT Compliance, IT/Reg-Tech COBIT2019, governance framework, ISO20000, IT governance, ITIL4

    Key Differences Between L2 and L3 Switches

    2025년 08월 29일 HaydenLeave a Comment on Key Differences Between L2 and L3 Switches

    When designing network infrastructure, one of the most critical decisions is choosing the right switch technology. L2 and L3 switches […]

    Network L2 L3 Differences, L2 switch, L3 switch

    NGINX Plus Licensing Policy and EOS/EOL Timeline

    2025년 08월 28일2025년 08월 28일 HaydenLeave a Comment on NGINX Plus Licensing Policy and EOS/EOL Timeline

    If you’re currently operating NGINX Plus as your web server and load balancer or considering its adoption, understanding F5’s recent […]

    Platform EOL, EOS, F5, JWT licensing, NGINX Plus

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    Recent Posts

    • ‘Kotlin’ Version Support Lifecycle and EOL/EOS Policy
      If you’ve been developing Android apps, you’ve probably wondered, “Is the Kotlin version I’m using still supported?” When maintaining projects over time, you might… Read more: ‘Kotlin’ Version Support Lifecycle and EOL/EOS Policy
    • ‘PHP’ Version Support Policy – EOS/EOL Schedule
      If you work in web development, you’ve probably seen messages urging you to “upgrade your PHP version.” But it’s not always clear which versions… Read more: ‘PHP’ Version Support Policy – EOS/EOL Schedule
    • ‘Alpine Linux’ Version Support Policy – EOS/EOL Timeline
      If you’ve worked with Docker images in containerized environments, you’ve likely encountered Alpine Linux. But then comes the question: “This version is EOL –… Read more: ‘Alpine Linux’ Version Support Policy – EOS/EOL Timeline
    • ‘Google Chrome’ Security Support Policy – EOS/EOL Schedule
      Have you noticed Chrome’s version numbers climbing past 100 and now reaching the 140s? With such frequent updates, you might wonder how long older… Read more: ‘Google Chrome’ Security Support Policy – EOS/EOL Schedule
    • ‘Docker Engine’ Version Support Policy – EOS/EOL Schedule
      Have you ever wondered how long your Docker Engine version will be supported? Today, we’ll explore the version support policy and End of Support/End… Read more: ‘Docker Engine’ Version Support Policy – EOS/EOL Schedule

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