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  2. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    An expansion of the 400 Bad Request response code, used when a client certificate is required but not provided. 497 HTTP Request Sent to HTTPS Port. An expansion of the 400 Bad Request response code, used when the client has made a HTTP request to a port listening for HTTPS requests. 499 Client Closed Request.

  3. Constrained Application Protocol - Wikipedia

    en.wikipedia.org/wiki/Constrained_Application...

    t. e. Constrained Application Protocol ( CoAP) is a specialized UDP-based Internet application protocol for constrained devices, as defined in RFC 7252. It enables those constrained devices called "nodes" to communicate with the wider Internet using similar protocols. CoAP is designed for use between devices on the same constrained network (e.g ...

  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. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    Low-density parity-check (LDPC) codes are a class of highly efficient linear block codes made from many single parity check (SPC) codes. They can provide performance very close to the channel capacity (the theoretical maximum) using an iterated soft-decision decoding approach, at linear time complexity in terms of their block length.

  6. EchoStar - Wikipedia

    en.wikipedia.org/wiki/EchoStar

    EchoStar Corporation is an American company providing satellite communication and Internet services. Its Hughes Network Systems and EchoStar Satellite Services business are operated from its headquarters in Arapahoe County, Colorado. The company also provides television services under the Dish and Sling brands as well as mobile services under ...

  7. 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. They usually use port numbers that match the services of the corresponding TCP or UDP implementation, if they exist.

  8. Dish Network - Wikipedia

    en.wikipedia.org/wiki/Dish_Network

    On July 19, 2021, Dish Wireless announced a network services agreement with AT&T, which includes a 10-year roaming agreement, and the option for AT&T to use Dish's wireless spectrum on their network. The agreement is non-exclusive, and Dish will continue to use T-Mobile's network in addition to AT&T's until that agreement expires in 2027.

  9. ‘I don’t care what anybody says’: Michigan mom wants to sell ...

    www.aol.com/finance/don-t-care-anybody-says...

    ‘I don’t care what anybody says’: Michigan mom wants to sell her daughter’s Taylor Swift tickets to pay off her student debt — The Ramsey Show’s response left viewers in shock