IP Header Text Summary

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Byte 0 – Bits 0-3 – IP version
Byte 0 – Bits 4-7 – IP header Length
Byte 1 – Differentiated Services or TOS
Byte 2 & 3 – Total IP datagram length
Byte 4 & 5 – IP Identification Field
Byte 6 – Bit 0 – Reserved Bit
Byte 6 – Bit…

May 19, 2023
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Embedded Protocol Field

The 9th field offset from 0 is the Protocol field, also known as the embedded protocol field. This field tells you what transport protocol is encapsulated. TPC, UDP and ICMP are the most common ones but it could be any valid protocol, which all have an…

January 24, 2023
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