Is it possible to get an account on the failing host to run some traces? This is a very difficult problem to solve as it involves a lot of network interactions between DNS and NAT and the host configuration. Alternatively, if we happen to be in the same physical location; perhaps we can look at this together. -- 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/407#issuecomment-288370774 ######################################################################## 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