Karl, > Here is a simple question. One I keep thinking I have resolved: does ldm > need port 388 tcp or 388 udp or both? The LDM only uses TCP. > BTW: I am tearing my hair out about the fact that my firewall either has > to be turne off or remove the line after all the accepts that rejects the > rest in order for ldm to the downstream to work. It does not make sense. > It worked for a few months, then inexplicably broke when we upgraded our > data center application. (Not the O/S.) We have a lot of experience with the LDM and iptables. May we look at your iptables? > Dr. Karl Hudnut System Administrator UCAR - COSMIC > address@hidden http://www.cosmic.ucar.edu 303 497 8024 Regards, Steve Emmerson Ticket Details =================== Ticket ID: RFJ-134602 Department: Support LDM Priority: Normal Status: On Hold