Hi Andy, I too think that callback would be a better option, but tident may not be unique enough, hence my proposal of propagating the session id to the OFS layer in whatever way. Cheers, Lukasz --- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/63#issuecomment-30117044 ######################################################################## 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