On XRootD 5.6.1 with the HTTP plugin, the following combination of HTTP headers causes bad data to be returned:

X-Transfer-Status: true
TE: trailers
Range: bytes 0-

(any byte range will work, not just 0-)

namely instead of returning the file contents, it returns the content length in hex, followed by a CR/LF, followed by the actual data (minus however many bytes the length and CR/LF took).

This curl command can reproduce it (assuming a server on localhost with XrdHttp listening on 1094 and a file named /testfile):

curl http://localhost:1094//testfile -i -H "Range: bytes 0-" -H "X-Transfer-Status: true" -H "TE: trailers"

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