These are the most frequent causes for this kind of problem are:

• The AJAX Remote is not active. Please check in Remote Buddy's preferences, that you have enabled the AJAX Remote and that it shows the status "active".
• The OS X firewall is active and blocking incoming connections. Please read the entry "How can I define a rule to allow access to port 8888 with active Firewall?" for a step-by-step howto for fixing this problem.
• Bonjour® only works LAN-wide. In order to reach your computer by its Bonjour® name, it needs to be located in the same IP subnet - which in this case means that it must be connected to the same WiFi network. If your computer is connected to the same LAN (wired connection) as the WiFi Access Point, but not to the WiFi Access Point itself, your computer and your device are located in different subnets, whereas Bonjour® services usually can't be announced beyond the boundaries of subnets. Furthermore, the iPhone™ does only support Bonjour® addresses starting with firmware version 1.1.1. Older firmware releases can't make any sense of them.
  The solution - in both cases - is to directly enter the IP of your computer on your device. Complete URLs for all network connections/interfaces of your computer can be found directly within Remote Buddy under "Preferences > AJAX Remote".
• A firewall / router does not forward connections. If you are trying to access your computer from the Internet, only a direct connection using the IP of your internet connection is possible.
  • If your computer has a direct connection to the Internet without any intermediate router, Remote Buddy will show the correct IP address of your computer under "Preferences > AJAX Remote".
  • If your computer is connected to the Internet through an intermediate router, only that router knows your current IP on the Internet. Furthermore, you need to make sure, that it forward connections to port 8888 to your computer. Please consult the manual of your computer to learn whether your router supports that function and how you can set it up.
  • Our service for you: you can let our server tell you your current Internet IP at http://www.iospirit.com/myip/.