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  2. Point-to-Point Tunneling Protocol - Wikipedia

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

    A PPTP tunnel is instantiated by communication to the peer on TCP port 1723. This TCP connection is then used to initiate and manage a GRE tunnel to the same peer. The PPTP GRE packet format is non standard, including a new acknowledgement number field replacing the typical routing field in the GRE header. However, as in a normal GRE connection ...

  3. List of network protocols (OSI model) - Wikipedia

    en.wikipedia.org/wiki/List_of_network_protocols...

    PPP Point-to-Point Protocol; PPTP Point-to-Point Tunneling Protocol; PAP Password Authentication Protocol; RPR IEEE 802.17 Resilient Packet Ring; SLIP Serial Line Internet Protocol (obsolete) StarLAN; Space Data Link Protocol, one of the norms for Space Data Link from the Consultative Committee for Space Data Systems; STP Spanning Tree Protocol

  4. Point-to-Point Protocol - Wikipedia

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

    In computer networking, Point-to-Point Protocol (PPP) is a data link layer (layer 2) communication protocol between two routers directly without any host or any other networking in between. [1] It can provide loop detection, authentication , transmission encryption , [ 2 ] and data compression .

  5. Tunneling protocol - Wikipedia

    en.wikipedia.org/wiki/Tunneling_protocol

    In computer networks, a tunneling protocol is a communication protocol which allows for the movement of data from one network to another. They can, for example, allow private network communications to be sent across a public network (such as the Internet), or for one network protocol to be carried over an incompatible network, through a process called encapsulation.

  6. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    POP—Point of Presence; POP3—Post Office Protocol v3; POSIX—Portable Operating System Interface, formerly IEEE-IX; POST—Power-On Self Test; PPC—PowerPC; PPI—Pixels Per Inch; PPM—Pages Per Minute; PPP—Point-to-Point Protocol; PPPoA—PPP over ATM; PPPoE—PPP over Ethernet; PPTPPoint-to-Point Tunneling Protocol; PR—Pull Request

  7. List of TCP and UDP port numbers - Wikipedia

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

    Protocol information and warnings [clarification needed] 4035: Unofficial: IBM Rational Developer for System z Remote System Explorer Daemon 4045: Unofficial: Solaris lockd NFS lock daemon/manager 4050: Unofficial: Mud Master Chat protocol (MMCP) – Peer-to-peer communications between MUD clients. [215] 4061: Yes: Ice Location Service [216 ...

  8. Layer 2 Tunneling Protocol - Wikipedia

    en.wikipedia.org/wiki/Layer_2_Tunneling_Protocol

    In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs. It uses encryption ('hiding') only for its own control messages (using an optional pre-shared secret), and does not provide any encryption or confidentiality of content ...

  9. List of information technology initialisms - Wikipedia

    en.wikipedia.org/wiki/List_of_information...

    Post Office Protocol, version 3 Application layer RFC 1939 POP: Point of presence Telecom Telecom Glossary: POST: Power-on self test Hardware Cisco Catalyst 2800 User Guide, for example POTS: Plain old telephone service Telecom Telecom Glossary: PPP: Point-to-point Protocol Telecom RFC 1661 PPTP: Point-to-Point Tunneling Protocol Telecom RFC ...