Hi Max,
I'm using latest version 5.1.3511.
I could get response over 8888 port before. When I added disable_rest_auth = false to flashphoner.properties, I always get 404 over 8888 port.
Here is my wcs-manager.properties file
### MANAGER OPTIONS ####
-Dnode.enable_stdout=false
#-Dserver.port=9091...