Virtual Private Networks
Siebel CRM supports the use of Virtual Private Networks (VPNs). A VPN is a technique that allows computers outside the firewall to tunnel traffic through a firewall and to appear as if they are connected inside the firewall.
VPN technology allows employees working remotely to access many corporate intranet resources (for example, email servers, file shares, and so on) which are otherwise not sufficiently secure to be placed outside the firewall.