debug port 5858 is hard-coded
in 2 classes: LaunchConfigurationDelegate & NodeDebugUtil
org.nodeclipse.debug\src\org\nodeclipse\debug\launch\LaunchConfigurationDelegate.java
--debug-brk=5858
http://stackoverflow.com/questions/11947409/nodejs-eclipse-v8-deb
Port should be set per file basis, e.g. in Run Configuration