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Dear Chris, Give the latest IDV version a try which should hopefully resolve your authentication issues. Best Regards, Unidata IDV Support > BTW, if you want to get a username and password for the LANCE system where > the restrictions are implemented, the Registration is: > https://users.eosdis.nasa.gov/urs/welcome.do?appVar=LANCE > > Also, the URL I was attempting to access was: > http://discnrt1.ecs.nasa.gov/opendap/Aqua_AIRS_NRT/AIRX2RET_NRT.005/2011/200/AIRS.2011.07.19.001.L2.RetStd.v5.2.2.0.R11199212501.hdf > On Jul 19, 2011, at 1:30 PM, Unidata IDV Support wrote: > > > > > Hi Chris, > > > > > >> Description of problem: For policy reasons, our Near-Real-Time AIRS data > >> requires user registration and username/password. How can I enter those > >> in IDV. ALternatively, is there a proxy tool I could install on a Mac > >> that could supply username/password? > >> > > > > > > If the above site uses http auth for authentication then the IDV should > > pick that up and prompt for user name/password. This was broken a while > > ago but I think the Unidata folks fixed it (?). > > > > If the above site requires some custom html login form and a session cookie > > for authentication then the IDV cannot handle it. > > > > -Jeff > > > > > > Ticket Details > > =================== > > Ticket ID: NRZ-489500 > > Department: Support IDV > > Priority: Normal > > Status: Open > > > > -- > Dr. Christopher Lynnes NASA/GSFC, Code 610.2 phone: 301-614-5185 > > > Ticket Details =================== Ticket ID: NRZ-489500 Department: Support IDV Priority: Normal Status: Closed