3ddf5827_Reference_Guide__Required
[Option] myproxyUserName myproxyPasswd myproxyServer [Description] All of the following three options must either be specified or not at all. The MyProxy username so that the service can renew its X509 proxy certificate. e.g. myproxyUserName = gkandasw myproxyPasswd = "abcdef" myproxyServer = rainier.extreme.indiana.edu myproxyLifetime = 14400 MyProxy lifetime is in seconds (float and integer values only) [Required] 
Optional If this is not specified service will try to use Globus credentails. If that fails, service will fail!
Reference Guide
Required