The network is protected by a generic firewall against attacks from the Internet. The configuration of the firewall is not very restrictive. The firewall protects against many simple attacks from outside, but not against all. Especially it does not protect you against attacks from other residents on your own computer!

For dialin addresses the following ports are allowed in incoming direction:

  • FTP (Port 20/21 UDP/TCP)
  • SSH (Port 22 TCP)
  • HTTP (Port 80 TCP)
  • IDENT (Port 113 TCP)
  • HTTPS (Port 443 TCP)
  • Ports 50000-50010 TCP
  • Ports 50000-50010 UDP