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More hosts can be specified with the command: /usr/sbin/tcpkill −9 host www.google.com and host www.yahoo.com. To block well−known ports e.g., napster (port 8888 and port 6699) or gnutella (port 6346), the command: /usr/sbin/tcpkill −9 port 8888 and port 6699. or /usr/sbin/tcpkill −9 port 6346
The kill command is a wrapper around the kill() system call, which sends signals to processes or process groups on the system, referenced by their numeric process IDs (PIDs) or process group IDs (PGIDs).
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.
Sending the command with no parameters returns the entries in the client's friends list. This command is not formally defined in an RFC, but is supported by most [which?] major IRC daemons. Support is indicated in a RPL_ISUPPORT reply (numeric 005) with the WATCH keyword and the maximum number of entries a client may have in its friends list.
If the port is not yet established, the port number is shown as an asterisk. Foreign Address – The IP address and port number of the remote computer to which the socket is connected. The names that corresponds to the IP address and the port are shown unless the -n parameter is specified. If the port is not yet established, the port number is ...
The parent may, for example, wait for the child to terminate with the waitpid() function, or terminate the process with kill(). There are two tasks with specially distinguished process IDs: PID 0 is used for swapper or sched , which is part of the kernel and is a process that runs on a CPU core whenever that CPU core has nothing else to do. [ 1 ]
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Below is a list of FTP commands that may be sent to a File Transfer Protocol (FTP) server.It includes all commands that are standardized by the Internet Engineering Task Force (IETF) in RFC 959, plus extensions.