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  2. Tcpkill - Wikipedia

    en.wikipedia.org/wiki/Tcpkill

    Tcpkill can be used to create a DoS attack within a WAN or LAN, and this can be done by using a sniffer like dsniff or tcpdump to look at the packets that are being transmitted and to pick a target that you want to deny service. Assume the target has been identified as 192.168.100.38, a simple command like: tcpkill -9 host 192.168.100.38

  3. 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 ...

  4. 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 bidirectional traffic. TCP usually uses port numbers that match the services of the corresponding UDP implementations, if they exist, and vice versa.

  5. Secure Shell - Wikipedia

    en.wikipedia.org/wiki/Secure_Shell

    SSH is typically used to log into a remote computer's shell or command-line interface (CLI) and to execute commands on a remote server. It also supports mechanisms for tunneling, forwarding of TCP ports and X11 connections and it can be used to transfer files using the associated SSH File Transfer Protocol (SFTP) or Secure Copy Protocol (SCP). [3]

  6. Idle scan - Wikipedia

    en.wikipedia.org/wiki/Idle_scan

    Some port scanners scan only the most common port numbers, or ports most commonly associated with vulnerable services, on a given host. See: List of TCP and UDP port numbers . The result of a scan on a port is usually generalized into one of three categories:

  7. Transmission Control Protocol - Wikipedia

    en.wikipedia.org/wiki/Transmission_Control_Protocol

    TCP uses 16-bit port numbers, providing 65,536 possible values for each of the source and destination ports. [17] The dependency of connection identity on addresses means that TCP connections are bound to a single network path; TCP cannot use other routes that multihomed hosts have available, and connections break if an endpoint's address changes.

  8. TCP reset attack - Wikipedia

    en.wikipedia.org/wiki/TCP_reset_attack

    A TCP reset attack, also known as a forged TCP reset or spoofed TCP reset, is a way to terminate a TCP connection by sending a forged TCP reset packet. This tampering technique can be used by a firewall or abused by a malicious attacker to interrupt Internet connections.

  9. SYN flood - Wikipedia

    en.wikipedia.org/wiki/SYN_flood

    A SYN flood is a form of denial-of-service attack on data communications in which an attacker rapidly initiates a connection to a server without finalizing the connection. The server has to spend resources waiting for half-opened connections, which can consume enough resources to make the system unresponsive to legitimate traffic.