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  2. Bypass switch - Wikipedia

    en.wikipedia.org/wiki/Bypass_switch

    A bypass switch (or bypass TAP) is a hardware device that provides a fail-safe access port for an in-line active security appliance such as an intrusion prevention system (IPS), next generation firewall (NGFW), etc. Active, in-line security appliances are single points of failure in live computer networks because if the appliance loses power, experiences a software failure, or is taken off ...

  3. URL shortening - Wikipedia

    en.wikipedia.org/wiki/URL_shortening

    This is an accepted version of this page This is the latest accepted revision, reviewed on 17 February 2025. Web technique For information about short URLs for pages on Wikipedia, see Wikipedia:URLShortener. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find ...

  4. PP Jailbreak - Wikipedia

    en.wikipedia.org/wiki/PP_Jailbreak

    Furthermore, a device loaded with the latest iOS version cannot go back to a previous iOS version. The initial release of the PP Jailbreak tool included support for iOS 9.3, as the team suspected that an imminent firmware update by Apple would fix the vulnerabilities used in the tool.

  5. TUN/TAP - Wikipedia

    en.wikipedia.org/wiki/TUN/TAP

    TAP, namely network TAP, simulates a link layer device and operates in layer 2 carrying Ethernet frames. TUN is used with routing. TAP can be used to create a user space network bridge. [2] Packets sent by an operating system via a TUN/TAP device are delivered to a user space program which attaches itself to the device. A user space program may ...

  6. 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]

  7. Wikipedia:URLShortener - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:URLShortener

    This includes for example: all Wikimedia projects, Meta, mediawiki.org, the Wikidata Query Service, Phabricator (full list here). Only links shorter than 2,000 characters can be shortened. In order to avoid abuse of the tool, there is a rate limit: Logged-in users can create up to 50 links every 2 minutes. IPs are limited to 10 creations per 2 ...

  8. Control character - Wikipedia

    en.wikipedia.org/wiki/Control_character

    Code 127 (DEL, a.k.a. "rubout") is likewise a special case. Its 7-bit code is all-bits-on in binary, which essentially erased a character cell on a paper tape when overpunched. Paper tape was a common storage medium when ASCII was developed, with a computing history dating back to WWII code breaking equipment at Biuro Szyfrów. Paper tape ...

  9. Gemini (protocol) - Wikipedia

    en.wikipedia.org/wiki/Gemini_(protocol)

    A Gemini request consists only of such a URL, terminated by CRLF; the header of a Gemini response consists of a two-digit status code, a space, and a "meta" field, also terminated by CRLF. If the server is successful in finding the requested file, the "meta" field is the MIME type of the returned file and after the header follows the file data.