Raspberry Pi is a very nice hardware which can be used to solve various problems. I notice an increasing number of questions how to get access to the local PI from the internet. From a technical point of view that's not a problem: Just forward the required ports from your router to your Pi and disable on xbmc the firewall. This may cause you serious trouble because some folks from the internet will be able to access your Pi and even your local systems in your LAN. You should follow some rules in order to keep them out.

 

Access to your Pi from the internet is most secure if you use VPN by configuring OpenVPN on your  Pi or on your local router. That way nobody can access your local LAN without the VPN key. Another way to secure your external connections is to tunnel them with ssh. But you have to configure ssh the right way. No root access should be possible with ssh and the passwords have to be secure and contain special characters and mixed case characters. It's even better to allow access with keys only and password access is disabled.

 
If you own a Fritzbox from AVM you should check whether it supports VPN (see list below) and use this VPN.  If you use Windows to access your PI then use the VPN software from AVM or use Shrew Soft VPN client , which also runs on Linux.
 
Direct ftp access and access to shared disks is strongly discouraged  because everybody can read you passwords. Use scp or sftp instead for file transfer.
 
AVM Routers which support VPN
  • FRITZ!Box 2170

  • FRITZ!Box WLAN 3170

  • FRITZ!Box WLAN 3270

  • FRITZ!Box WLAN 3370

  • FRITZ!Box 6360 Cable

  • FRITZ!Box Fon WLAN 7170

  • FRITZ!Box Fon WLAN 7170 SL

  • FRITZ!Box Fon WLAN 7240

  • FRITZ!Box Fon WLAN 7270

  • FRITZ!Box Fon WLAN 7390

  • FRITZ!Box Fon WLAN 7570

  • FRITZ!BOX Fon WLAN 7312

 
Links to more detailed descriptions
 
 

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