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  2. OpenFlow - Wikipedia

    en.wikipedia.org/wiki/OpenFlow

    Controllers should listen on TCP port 6653 for switches that want to set up a connection. Earlier versions of the OpenFlow protocol unofficially used port 6633. [2] [3] Some network control plane implementations use the protocol to manage the network forwarding elements. [4] OpenFlow is mainly used between the switch and controller on a secure ...

  3. List of TCP and UDP port numbers - Wikipedia

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

    The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. [3] They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the ...

  4. Link layer security - Wikipedia

    en.wikipedia.org/wiki/Link_layer_security

    A CAM Table Exhaustion Attack basically turns a switch into a hub. [4] The attacker floods the CAM table with new MAC-to-port mappings until the table's fixed memory allotment is full. At this point the switch no longer knows how to deliver traffic based on a MAC-to-port mapping, and defaults to broadcasting traffic over all ports.

  5. Port knocking - Wikipedia

    en.wikipedia.org/wiki/Port_knocking

    Defeating port knocking protection requires large-scale brute force attacks in order to discover even simple sequences. An anonymous brute force attack against a three-knock TCP sequence (e.g. port 1000, 2000, 3000) would require an attacker to test every three port combination in the 1–65535 range and then scan each port between attacks to uncover any changes in port access on the target ...

  6. Telnet - Wikipedia

    en.wikipedia.org/wiki/Telnet

    For example, a large number of industrial and scientific devices only have Telnet available as a communication option. Some are built with only a standard RS-232 port and use a serial server hardware appliance to provide the translation between the TCP/Telnet data and the RS-232 serial data. In such cases, SSH is not an option unless the ...

  7. Comparison of file transfer protocols - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_file...

    A packet-switched network transmits data that is divided into units called packets.A packet comprises a header (which describes the packet) and a payload (the data). The Internet is a packet-switched network, and most of the protocols in this list are designed for its protocol stack, the IP protocol suite.

  8. Biden to launch task force to crack down on 'unfair and ...

    www.aol.com/news/biden-launch-task-force-crack...

    President Joe Biden on Tuesday will launch a new task force to take on “unfair and illegal” corporate pricing, which Biden sees as a major reason why consumers are not yet feeling the impact ...

  9. EtherChannel - Wikipedia

    en.wikipedia.org/wiki/EtherChannel

    EtherChannel between a switch and a server. EtherChannel is a port link aggregation technology or port-channel architecture used primarily on Cisco switches.It allows grouping of several physical Ethernet links to create one logical Ethernet link for the purpose of providing fault-tolerance and high-speed links between switches, routers and servers.