Java tutorial
import java.io.DataInputStream; import java.io.FileOutputStream; import java.net.HttpURLConnection; import java.net.URL; import java.util.Properties; import sun.misc.BASE64Encoder; public class Main { public static void main(String[] argv) throws Exception { byte[] b = new byte[1]; Properties systemSettings = System.getProperties(); systemSettings.put("http.proxyHost", "proxy.mydomain.local"); systemSettings.put("http.proxyPort", "80"); URL u = new URL("http://www.google.com"); HttpURLConnection con = (HttpURLConnection) u.openConnection(); BASE64Encoder encoder = new BASE64Encoder(); String encodedUserPwd = encoder.encode("mydomain\\MYUSER:MYPASSWORD".getBytes()); con.setRequestProperty("Proxy-Authorization", "Basic " + encodedUserPwd); DataInputStream di = new DataInputStream(con.getInputStream()); while (-1 != di.read(b, 0, 1)) { System.out.print(new String(b)); } } }