VPN for computer center

[TranCT]

Hello Eveverybody,

We would like to use VPN for our computer center with WindowNT,
- 1 database server DB2
- 1 IBM HTTP Server
- 1 FTP Server

with about 10 IP address internal and about 1 millions connections per month by internet.

Please, some proposition and help.

Best regards.

TranCT.