RFC 1305 defining the NTP protocol version 3 was published in March 1992 https://cromwell-intl.com/networking/protocols.html?s=mb #IPnetworking #OpenSource #Linux
Quick Overview of Protocol Headers

Simple overview of TCP/IP protocol headers: ARP/RARP, IP, ICMP, DNS, TCP, and UDP. Quick guide to what you see in Wireshark, tcpdump, and other protocol analyzers.

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