How to Allow Node.Js App to Bind to Port 80 on Mac – For Testing Purposes Only May 2, 2014 by Alex Kras 1 Comment Run it as sudo i.e. sudo node server.js I just spent over 10 minutes looking around the internet for this simple solution. Hopefully, this post will save somebody some time 🙂 HN Submission/DiscussionFollow @akras14P.S. Are you hiring? My good friend is looking for work.