How about using adjacent numbers for ports for a given qserv installation. I am looking at an installation on lsst-db2 (W13_1K), and it is using: 7123 mysql 5040 proxy 2094 xrootd 2131 xrootd manager How about if we required that qserv needs say 10 adjacent port numbers (just to be safe), and we could fix the numbers to daemons, something like xxx1 mysql xxx2 proxy xxx3 xrootd xxx4 xrootd manager If we did that, we could even get away with defining just one "base" number somewhere in a central config file, and all other ports could be automatically derived. Jacek ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the QSERV-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=QSERV-L&A=1