Hi @mpatrascoiu - This is part of the periodic events in HTTP-TPC, no? It includes the IP address of all the active connections used for transfer, from which you should be able to determine if they are using IPv4, v6, or both. Brian -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/1471#issuecomment-905117603 ######################################################################## 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