1. cd in $(MOZILLA_FIVE_HOME)/java/xpcom/urp/src; run 'gmake'

2. for server running : cd $(MOZILLA_FIVE_HOME)/dist/bin; 
	run 'server socket,host=YourHost,port=YourPort'

6. for client running: cd $(MOZILLA_FIVE_HOME)/dist/bin;
	run 'client socket,host=YourHost,port=YourPort'