udp

How do I check network connections under Linux using command line options?

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How do I find out running processes were associated with each open port? How do I find out what process has open tcp port 111 or udp port 7000 under Linux?

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How do I invert a protocol or ip address test while writing iptables based shell scripts?

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Q. Can you explain the difference between UDP and TCP internet protocol (IP) traffic and its usage with an example? A. Transmission Control Protocol (TCP) and User Datagram Protocol (UDP)is a transportation protocol that is one of the core protocols of the Internet protocol suite. Both TCP and UDP work at transport layer TCP/IP model […]

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