Can I override the Host header where using java's HttpUrlConnection class?

Question

I\'m using the following code to open a http connection in java:

 URL url = new URL(\"http://stackoverflow.com\");
 HttpURLConnection conn = (HttpURLConnecti         


        

Answer 1

This used to work in the past, but it has been disabled as part of a security-fix. Apparently without a note in the changelog. There are even bugs like #7022056 for this at bugs.sun.com.

There is a similar question for another header, where the answer goes more into the details, so I just link it instead of writing it myself. :-)

The only workarounds seem to be setting sun.net.http.allowRestrictedHeaders to true or use another http-library like the already mentioned http components.