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  2. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    407 Proxy Authentication Required The request requires user authentication. This response is issued by proxies. [1]: §21.4.8 408 Request Timeout Couldn't find the user in time. The server could not produce a response within a suitable amount of time, for example, if it could not determine the location of the user in time.

  3. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    407 Proxy Authentication Required The client must first authenticate itself with the proxy. 408 Request Timeout The server timed out waiting for the request. According to HTTP specifications: "The client did not produce a request within the time that the server was prepared to wait.

  4. 407 Proxy Authentication Required (Mr. Robot) - Wikipedia

    en.wikipedia.org/wiki/407_Proxy_Authentication...

    List of episodes. " 407 Proxy Authentication Required " is the seventh episode of the fourth season of the American thriller drama television series Mr. Robot, and the 39th episode overall. Written and directed by series creator Sam Esmail, it aired on November 17, 2019, on USA Network. In the episode, Elliot Alderson (Rami Malek) and his ...

  5. Virtual private network - Wikipedia

    en.wikipedia.org/wiki/Virtual_private_network

    Virtual private network (VPN) is a network architecture for virtually extending a private network (i.e. any computer network which is not the public Internet) across one or multiple other networks which are either untrusted (as they are not controlled by the entity aiming to implement the VPN) or need to be isolated (thus making the lower network invisible or not directly usable).

  6. HTTP Live Streaming - Wikipedia

    en.wikipedia.org/wiki/HTTP_Live_Streaming

    HTTP Live Streaming (also known as HLS) is an HTTP -based adaptive bitrate streaming communications protocol developed by Apple Inc. and released in 2009. Support for the protocol is widespread in media players, web browsers, mobile devices, and streaming media servers. As of 2022, an annual video industry survey has consistently found it to be ...

  7. SIP extensions for the IP Multimedia Subsystem - Wikipedia

    en.wikipedia.org/wiki/SIP_extensions_for_the_IP...

    HTTP digest access authentication, which is part of the basic SIP specification [15] and leads to a Transport Layer Security connection between the user and the proxy. HTTP digest access authentication using AKA, [27] a more secure version of the previous mechanism for cellular networks that uses the information from the user's smart card and ...

  8. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  9. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for duplex, bidirectional traffic.