Rails application does not run on standard ports

During development of our rails application, I went through the initial try/error phase. But it seems that there is always space for new problems. I have been testing the HTTPS, so I run the WEBrick servers on standard ports 80 and 443 and the WEBrick server went down immediatelly with a strange error: [2006-07-12 00:01:14]… Continue reading Rails application does not run on standard ports