This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
> After a call from IDV support, we had added a rule to our firewall permitting > all traffic to host 128.117.149.64 (the public IP address for > www.unidata.ucar.edu), but the user indicates it still doesn't work. What > changed is that now lists a directory structure after fetching the catalog, > but when she tries to access one of the folders, it times out. Is there > another server that IDV requires unrestricted access to? Brain, It would be my fault if I only asked you to open 80 port to www.unidata.ucar.edu. You need to do the same to 128.117.*.*, is it possible? At least you need to open this port to motherlode.ucar.edu. Yuan > > > Brian Rayne (373-0226) > > Help Desk (373-0598) > http://deqspice/helpdesk > > > -----Original Message----- > From: Unidata IDV Support [mailto:address@hidden] > Sent: Thursday, January 05, 2012 2:10 PM > To: Brian Rayne > Cc: address@hidden; Brian Rayne > Subject: [IDV #WCA-451375]: Proxy settings > > > The user indicated that she is using that version of the software already. > > Can you confirm that the application does not send outbound traffic > > connecting to servers on ports 80 or 443, because these would be blocked by > > the firewall. I have verified that our firewall is not configured to block > > outbound traffic to ports 112 and 8080. > > > Brain, > Sorry for some delay due to the holiday time off. > > Basically, the IDV in each machine need to talk to three major severs: TDS, > ADDE, and RAMADDA, in order to perform the 98% of its features. ADDE is in > port 112, should be no problem according to your information. You should be > able to connect to satellite images server, and all Observations server. The > TDS server is on port 8080, which covers the radar server and most catalogs > from unidata. However, some catalogs like this > (http://www.unidata.ucar.edu/georesources/idvcatalog.xml) is on port 80, but > the content of this catalog is on port 8080, you should be able to visit: > http://motherlode.ucar.edu/thredds/catalog.xml. But the RAMADDA server of > unidata is on port 80, so this will be the only major thing your users going > to miss, unless you can config the proxy setting to open 80 to some specific > servers. > > > Yuan > > > > > Brian Rayne (373-0226) > > > > Help Desk (373-0598) > > http://deqspice/helpdesk > > > > -----Original Message----- > > From: Unidata IDV Support [mailto:address@hidden] > > Sent: Friday, December 23, 2011 1:50 PM > > To: Brian Rayne > > Cc: address@hidden > > Subject: [IDV #WCA-451375]: Proxy settings > > > > > We're supporting a user that is having trouble accessing a data catalog > > > from an NCAR server, but it's reporting timeout issues. We have a > > > firewall that blocks outbound traffic to ports 80 and 443, but to the > > > best of our knowledge, the firewall is not affecting the traffic to ports > > > 112 and 8080 mentioned in the program's FAQ. The catalog file it > > > mentions is: > > > http://www.unidata.ucar.edu/georesources/idvcatalog.xml > > > > Brain, > > The timeout error probably has nothing to do with the proxy setting. If you > > update the version to 3.0u1, it should fix the problem. Otherwise, let us > > know. > > > > > > Yuan > > > > > > Based on the address, we have to assume that it's trying to directly go > > > to port 80 of that server, which would be firewalled. I previously > > > configured Java to use a non authenticating proxy server, but I'm > > > thinking at this point that IDV isn't honoring those settings. By > > > default, Java uses the system proxy (which we have configured to use our > > > NTLM authenticating proxy server), but I changed it to use the non > > > authenticating one because various third party programs seem to have > > > problems with such proxy servers. Could you provide guidance about how > > > we can get this program to work? > > > > > > > > > Brian Rayne (373-0226) > > > > > > Help Desk (373-0598) > > > http://deqspice/helpdesk > > > > > > > > > > > > > > > Ticket Details > > =================== > > Ticket ID: WCA-451375 > > Department: Support IDV > > Priority: Normal > > Status: Closed > > > > > > > Ticket Details > =================== > Ticket ID: WCA-451375 > Department: Support IDV > Priority: Normal > Status: Open > > Ticket Details =================== Ticket ID: WCA-451375 Department: Support IDV Priority: Normal Status: Closed