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  2. Help:Searching from a web browser - Wikipedia

    en.wikipedia.org/wiki/Help:Searching_from_a_web...

    To get Wikipedia search results while on any web page, you can temporarily set your browser's (web-based) search box to interface the Wikipedia search engine and land on Wikipedia's search results page. This trick removes the need to first navigate to Wikipedia from a web page, and then do the search or navigation. It is a temporary change, and ...

  3. Safari (web browser) - Wikipedia

    en.wikipedia.org/wiki/Safari_(web_browser)

    v. t. e. Safari is a web browser developed by Apple. It is built into Apple's operating systems, including macOS, iOS, iPadOS and visionOS, and uses Apple's open-source browser engine WebKit, which was derived from KHTML . Safari was introduced in Mac OS X Panther in January 2003.

  4. Online Certificate Status Protocol - Wikipedia

    en.wikipedia.org/wiki/Online_Certificate_Status...

    The Online Certificate Status Protocol ( OCSP) is an Internet protocol used for obtaining the revocation status of an X.509 digital certificate. [ 2] It is described in RFC 6960 and is on the Internet standards track. It was created as an alternative to certificate revocation lists (CRL), specifically addressing certain problems associated with ...

  5. Help:Mobile access - Wikipedia

    en.wikipedia.org/wiki/Help:Mobile_access

    Mobile access. This help page is a . It is possible to access and edit Wikipedia on multiple types of device, such as desktop computers, tablets and smartphones, through several different methods, including options for older devices, modern apps for various platforms and options to view content while offline. This is intended for those who want ...

  6. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    Usually this implies future availability (e.g., a new feature of a web-service API). 502 Bad Gateway The server was acting as a gateway or proxy and received an invalid response from the upstream server. 503 Service Unavailable The server cannot handle the request (because it is overloaded or down for maintenance). Generally, this is a ...

  7. Transport Layer Security - Wikipedia

    en.wikipedia.org/wiki/Transport_Layer_Security

    To provide the server name, RFC 4366 Transport Layer Security (TLS) Extensions allow clients to include a Server Name Indication extension (SNI) in the extended ClientHello message. This extension hints to the server immediately which name the client wishes to connect to, so the server can select the appropriate certificate to send to the clients.

  8. Server Name Indication - Wikipedia

    en.wikipedia.org/wiki/Server_Name_Indication

    Server Name Indication ( SNI) is an extension to the Transport Layer Security (TLS) computer networking protocol by which a client indicates which hostname it is attempting to connect to at the start of the handshaking process. [ 1] The extension allows a server to present one of multiple possible certificates on the same IP address and TCP ...

  9. HTTP Public Key Pinning - Wikipedia

    en.wikipedia.org/wiki/HTTP_Public_Key_Pinning

    HTTP. HTTP Public Key Pinning ( HPKP) is an obsolete Internet security mechanism delivered via an HTTP header which allows HTTPS websites to resist impersonation by attackers using misissued or otherwise fraudulent digital certificates. [ 1] A server uses it to deliver to the client (e.g. web browser) a set of hashes of public keys that must ...