par file deployment from nwds - sap-plugin.log error

i'm trying to deploy par file

all my setting are right, but i get error that i see in sap-plugin.log file

Server returned HTTP response code: 401 for URL: http://sapepdev:50100

does anyone knows how to fix that problem?

is my "nwds-> preference-? workbench-> proxy " settings should be like the settings in the browser?

thanks

Roni