It looks like the two IP addresses it compares are formated differently: ``` sec_PM: Using sss protocol, args='0.13:/etc/eos.keytab' sec_sss: pcitdss1400.cern.ch [::137.138.33.80]:51183 must match pcitdss1400.cern.ch [::ffff:137.138.33.80]:51183 sec_sss: Authenticate: IP address mismatch. ``` --- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/48 ######################################################################## 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