At Fri, 5 Apr 2002 22:37:24 GMT, Bob Braden wrote: > > We thought we had laid these issues to rest in 1988, in RFC 1071. I think you came close. I disagree with one minor point in RFC 1071, but code based on RFC 1071 would have the behavior that I think is correct: it wouldn't generate TCP segments with 0xFFFF in the checksum field, but it would accept such segments if it received them.