Ceisio canfod yn ymysgogol y newidynnau amgylchedd a ddefnyddir i osod gwybodaeth dirprwyon cysawd- eang. Gweithia' r canfod ymysgogol yma drwy chilio am enwau cyffredin y newidynnau fel HTTP_ PROXY, FTP_ PROXY a NO_ PROXY.
Attempt automatic discovery of the environment variables used for setting system wide proxy information. This feature works by searching for commonly used variable names such as HTTP_PROXY, FTP_PROXY and NO_PROXY.