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  2. 2024 CrowdStrike-related IT outages - Wikipedia

    en.wikipedia.org/wiki/2024_CrowdStrike_incident

    Faulty CrowdStrike software update. Outcome. ~8.5 million Microsoft Windows operating systems crash worldwide, causing global disruption of critical services. On 19 July 2024, American cybersecurity company CrowdStrike distributed a faulty update to its Falcon Sensor security software that caused widespread problems with Microsoft Windows ...

  3. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    For example, the client uploads an image as image/svg+xml, but the server requires that images use a different format. 416 Range Not Satisfiable The client has asked for a portion of the file (byte serving), but the server cannot supply that portion. For example, if the client asked for a part of the file that lies beyond the end of the file.

  4. List of SMTP server return codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SMTP_server_return...

    X.3.XXX Mail System Status. X.4.XXX Network and Routing Status. X.5.XXX Mail Delivery Protocol Status. X.6.XXX Message Content or Media Status. X.7.XXX Security or Policy Status. The meaning of the "detail" field depends on the class and the subject, and are listed in RFC 3463 and RFC 5248. A server capable of replying with an Enhanced Status ...

  5. Windows Registry - Wikipedia

    en.wikipedia.org/wiki/Windows_Registry

    learn.microsoft.com /en-us /windows /win32 /sysinfo /registry. The Windows Registry is a hierarchical database that stores low-level settings for the Microsoft Windows operating system and for applications that opt to use the registry. The kernel, device drivers, services, Security Accounts Manager, and user interfaces can all use the registry.

  6. Denial-of-service attack - Wikipedia

    en.wikipedia.org/wiki/Denial-of-service_attack

    Diagram of a DDoS attack. Note how multiple computers are attacking a single computer. In computing, a denial-of-service attack (DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to a network.

  7. strace - Wikipedia

    en.wikipedia.org/wiki/Strace

    strace.io. strace is a diagnostic, debugging and instructional userspace utility for Linux. It is used to monitor and tamper with interactions between processes and the Linux kernel, which include system calls, signal deliveries, and changes of process state. The operation of strace is made possible by the kernel feature known as ptrace.

  8. Fatal system error - Wikipedia

    en.wikipedia.org/wiki/Fatal_system_error

    When a bug check is issued, a crash dump file will be created if the system is configured to create them. [2] This file contains a "snapshot" of useful low-level information about the system that can be used to debug the root cause of the problem and possibly other things in the background.

  9. HTTP 402 - Wikipedia

    en.wikipedia.org/wiki/HTTP_402

    Experimental. The HTTP status code 402 is currently classified as an experimental code within the HTTP protocol. Such experimental codes are introduced to assess new features or ideas and determine their practical application. The designation of the 402 status implies that a payment is mandated to obtain a particular resource or service.