I did not read the thread. After reading only your last message I figured you want to make changes to the protocol and need to find a way to distinguish old and new clients. -- You are receiving this because you commented. Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/411#issuecomment-246827202 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1