Reference: http://stackoverflow.com/questions/3730760/https-returns-404-with-defaulthttpclient-on-android I have an http request that worked as http://blah.com and now I have been asked to usehttps://blah.com The former works and the later fails with a Network I/O error. Are there any missing parameter settings that I need for the client? Answer Https almost always implies a different port being used (standard http=>80; standard https=>443)….