You're also replying to a five year old thread. You'll have a much better chance of getting by help posting a new question with details about what you've tried, including a minimal code example, and the exact results you had versus what you expected.

daniel mesquita:

First, find out why it's not working with the remote machine. Check firewall rules, DNS, and all the usual suspects.

Chances are reasonably good that if both the client and server are operating on your local machine then you may have a networking issue rather than a code problem.

...roboticus

When your only tool is a hammer, all problems look like your thumb.