| Main port listing |
| Type | Name | Description | Last change |
| TCP | GRE | Generic Router Encapsulation Protocol Google this | 11/28/2003 |
| TCP | ni-ftp | NI FTP Google this | 6/23/2003 |
| UDP | GRE | Generic Router Encapsulation Protocol Google this | 11/28/2003 |
| UDP | ni-ftp | NI FTP Google this | 6/23/2003 |
| More Information |
| If needing MS solution for a VPN remember to open this port and port 1723 at firewall. |