I have a simple Sinatra server that I run through textmate but I can't access from another computer on the same network. I'm running Ruby 1.9.3p327 and Sinatra 1.4.1 on a Mac OS 10.8.3. Firewall is disabled. I tested the same scenario on different networks and computers. The computer responds to simple pings but when I try to telnet port 4567 I can't establish a connection.