networking - TCP checksum field? -
1) in tcp, checksum done on data field?
in http://www.ietf.org/rfc/rfc793.txt site, said "the checksum field 16 bit one's complement of one's complement sum of 16 bit words in header , text"
2) mean term "text"?
the "text" referenced body of packet. yes, checksum includes data.
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