UDP
Click on the red underlined text to get to the source
... UDP Description ...
...
A number of items have changed from the original UDP specification.
Bit-masks, where present have been converted into human-readable ...
...
To calculate the length and checksum fields of the UDP element, a
canonicalized form of the element ...
... that apply to IP, TCP and UDP also likely apply to BLOAT as it does
not attempt to correct for issues not related to message format.
...