Speed Up VPN

[Guest]

[raneesh]

Hi
I am having Endian Firewall Community release 2.1.2 (c) 2004-2006 for VPN purpose, I have 3 Mbps ADSL line connected to open vpn server, nearly around 10 users (remote) from three different locations are connecting to VPN server to access the database server (SQL) in  office. The applications are installed in all client computers. And the database is kept in the main server located in  office. We use 1194 UDP to create VPN, the dyndns account is configured at the router. Anyone have ideas to speed up the VPN! Please share.
Pls advice which are the ports need to be forwarded on router, and any sql port is required or any other rules to be created.
Thanks in Advance
High Regards
Raneesh