Wireshark mailing list archives

Missing TCP Flags


From: "Scheffenegger, Richard" <rs () netapp com>
Date: Wed, 8 Sep 2010 14:37:58 +0100


Hi,

I have here a trace with the RFC3540 ECN Nounce. That (valid) TCP Flag
is one of the lower 4 bits where the TCP options length is also stored;
however, Wireshare doesn't seem to decode the full 12-bit TCP Flags
field properly - only the lower 8 bits are shown.

Does anyone know how to fix this, so that the full 12 bit field is
decoded (3 reserved bits, ECN, CWR, ECE, URG, ACK, PSH, RST, SYN, FIN )?

Thanks,

Richard Scheffenegger

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