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  2. NAT traversal - Wikipedia

    en.wikipedia.org/wiki/NAT_traversal

    IPsec NAT-T patches are also available for Windows 2000, Windows NT and Windows 98. [citation needed] NAT traversal and IPsec may be used to enable opportunistic encryption of traffic between systems. NAT traversal allows systems behind NATs to request and establish secure connections on demand.

  3. IPsec - Wikipedia

    en.wikipedia.org/wiki/IPsec

    IPsec is most commonly used to secure IPv4 traffic. [citation needed] IPsec protocols were originally defined in RFC 1825 through RFC 1829, which were published in 1995. In 1998, these documents were superseded by RFC 2401 and RFC 2412 with a few incompatible engineering details, although they were conceptually identical.

  4. SD-WAN - Wikipedia

    en.wikipedia.org/wiki/SD-WAN

    A Software-Defined Wide Area Network (SD-WAN) is a wide area network that uses software-defined networking technology, such as communicating over the Internet using overlay tunnels which are encrypted when destined for internal organization locations.

  5. Stateful firewall - Wikipedia

    en.wikipedia.org/wiki/Stateful_firewall

    A stateful firewall keeps track of the state of network connections, such as TCP streams, UDP datagrams, and ICMP messages, and can apply labels such as LISTEN, ESTABLISHED, or CLOSING. [2]

  6. Datagram Transport Layer Security - Wikipedia

    en.wikipedia.org/wiki/Datagram_Transport_Layer...

    Datagram Transport Layer Security (DTLS) is a communications protocol providing security to datagram-based applications by allowing them to communicate in a way designed [1] [2] [3] to prevent eavesdropping, tampering, or message forgery.

  7. Simple Network Management Protocol - Wikipedia

    en.wikipedia.org/wiki/Simple_Network_Management...

    Simple Network Management Protocol (SNMP) is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device behavior.

  8. Protocol-Independent Multicast - Wikipedia

    en.wikipedia.org/wiki/Protocol-Independent_Multicast

    Example of a multicast network architecture. Protocol-Independent Multicast (PIM) is a family of multicast routing protocols for Internet Protocol (IP) networks that provide one-to-many and many-to-many distribution of data over a LAN, WAN or the Internet.

  9. Address Resolution Protocol - Wikipedia

    en.wikipedia.org/wiki/Address_Resolution_Protocol

    The Address Resolution Protocol (ARP) is a communication protocol for discovering the link layer address, such as a MAC address, associated with a internet layer address, typically an IPv4 address.

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