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  2. Layer 2 Tunneling Protocol - Wikipedia

    en.wikipedia.org/wiki/Layer_2_Tunneling_Protocol

    The process of setting up an L2TP/IPsec VPN is as follows: Negotiation of IPsec security association (SA), typically through Internet key exchange (IKE). This is carried out over UDP port 500, and commonly uses either a shared password (so-called " pre-shared keys "), public keys, or X.509 certificates on both ends, although other keying ...

  3. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. [2]A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD.

  4. Layer 2 MPLS VPN - Wikipedia

    en.wikipedia.org/wiki/Layer_2_MPLS_VPN

    A Layer 2 MPLS VPN is a term in computer networking. It is a method that Internet service providers use to segregate their network for their customers, to allow them to transmit data over an IP network. This is often sold as a service to businesses. Layer 2 VPNs are a type of Virtual Private Network (VPN) that uses MPLS labels to

  5. Windows Phone version history - Wikipedia

    en.wikipedia.org/wiki/Windows_Phone_version_history

    Send and receive data through a virtual private network (VPN) when connecting to Wi-Fi hotspots; Support for L2TP VPN protocol with IPsec; OEM. Support for notification LED [55] Support for custom lock screens; Support for 1280 x 800 WXGA resolution; 540 x 960 qHD resolution support for diagonal screen sizes up to 6"

  6. Point-to-Point Tunneling Protocol - Wikipedia

    en.wikipedia.org/wiki/Point-to-Point_Tunneling...

    The Point-to-Point Tunneling Protocol (PPTP) is an obsolete method for implementing virtual private networks.PPTP has many well known security issues. PPTP uses a TCP control channel and a Generic Routing Encapsulation tunnel to encapsulate PPP packets.

  7. Controlled Impact Demonstration - Wikipedia

    en.wikipedia.org/wiki/Controlled_Impact...

    N833NA, the Boeing 720 aircraft involved in the test. NASA and the Federal Aviation Administration (FAA) conducted a joint program for the acquisition, demonstration, and validation of technology for the improvement of transport aircraft occupant crash survivability using a large, four-engine, remotely piloted transport airplane in a controlled impact demonstration (CID).

  8. 720th Special Tactics Group - Wikipedia

    en.wikipedia.org/wiki/720th_Special_Tactics_Group

    The Group's Special Tactics Squadrons are made up of Special Tactics Officers, Combat Controllers, Combat Rescue Officers, Pararescuemen, Special Reconnaissance, Air Liaison Officers, Tactical Air Control Party personnel, and a number of combat support airmen which comprise 58 Air Force specialties.

  9. VP9 - Wikipedia

    en.wikipedia.org/wiki/VP9

    VP9 is an open and royalty-free [1] video coding format developed by Google.. VP9 is the successor to VP8 and competes mainly with MPEG's High Efficiency Video Coding (HEVC/H.265).