Glossary: TCP/IP in Depth, Part 2
data offset
A 4-bit TCP field giving the header's length in 4-byte words. A value of 8 means a 32-byte header with 12 bytes of options, and 5 means a plain 20-byte header.
Glossary: TCP/IP in Depth, Part 2
A 4-bit TCP field giving the header's length in 4-byte words. A value of 8 means a 32-byte header with 12 bytes of options, and 5 means a plain 20-byte header.