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  2. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    The server is unwilling to process the request because either an individual header field, or all the header fields collectively, are too large. [24] 451 Unavailable For Legal Reasons (RFC 7725) A server operator has received a legal demand to deny access to a resource or to a set of resources that includes the requested resource. [25]

  3. Google services outages - Wikipedia

    en.wikipedia.org/wiki/Google_services_outages

    On 14 December 2020, another global outage occurred, affecting authenticated users of most Google services, including Gmail, YouTube, Google Drive, Google Docs, Google Calendar, and Google Play. [ 30 ] [ 31 ] The problem was due to a failure in Google Accounts ; services such as YouTube were still accessible with private browsing . [ 32 ]

  4. List of Google April Fools' Day jokes - Wikipedia

    en.wikipedia.org/wiki/List_of_Google_April_Fools...

    Google Maps allows the user to start a treasure hunt by selecting the "Treasure" view from the top right. Google Maps notes that the "system may not be able to display at higher resolutions than paper print" and that the user should "take care when unfolding the map to avoid ripping it." Also, the user is warned to 'beaware [sic] of pirates'.

  5. 2024 CrowdStrike-related IT outages - Wikipedia

    en.wikipedia.org/wiki/2024_CrowdStrike-related...

    On 19 July at 04:09 UTC, CrowdStrike distributed a faulty configuration update for its Falcon sensor software running on Windows PCs and servers. A modification to a configuration file which was responsible for screening named pipes, Channel File 291, caused an out-of-bounds memory read [14] in the Windows sensor client that resulted in an invalid page fault.

  6. Google Web Server - Wikipedia

    en.wikipedia.org/wiki/Google_Web_Server

    In May, 2015, GWS was ranked as the fourth most popular web server on the internet after Apache, nginx and Microsoft IIS, powering an estimated 7.95% of active websites. [4] Web page requests on most Google pages provide "gws" (without a version number) in the HTTP header as an indication of the web server software being used.

  7. Keepalive - Wikipedia

    en.wikipedia.org/wiki/Keepalive

    Keepalive retry is the number of retransmissions to be carried out before declaring that remote end is not available; When two hosts are connected over a network via TCP/IP, TCP Keepalive Packets can be used to determine if the connection is still valid, and terminate it if needed. Most hosts that support TCP also support TCP Keepalive.

  8. List of SMTP server return codes - Wikipedia

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

    A server capable of replying with an Enhanced Status Code MUST preface (prepend) the Text Part of SMTP Server responses with the Enhanced Status Code followed by one or more spaces. For example, the "221 Bye" reply (after QUIT command) MUST be sent as "221 2.0.0 Bye" instead. [1]

  9. Packet loss - Wikipedia

    en.wikipedia.org/wiki/Packet_loss

    Packet loss occurs when one or more packets of data travelling across a computer network fail to reach their destination. Packet loss is either caused by errors in data transmission, typically across wireless networks, [1] [2] or network congestion.