Hi Adrian, For crypto policies, I believe the minimum Diffie Hellman is 2048 (unless `FUTURE` is selected; in that case, it's 3072). Can you try that size? Thanks, Brian -- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/2014#issuecomment-1570903235 You are receiving this because you are subscribed to this thread. Message ID: <[log in to unmask]> ######################################################################## 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