The following document explains how to configure the corporate firewall/router located in front of GateDefender Integra in order to allow outbound VPN traffic when Integra acts as a gateway.
In this case, the Panda GateDefender Integra unit is located at the network entry point, just behind the corporate firewall/router.The device that is located in front of the GateDefender Integra unit, either firewall or router, can apply security policies that control inbound/outbound traffic. Therefore , if Integra acts as a VPN Gateway, you must ensure that certain outbound traffic is allowed in order to be able to establish and use the VPN network, depending on the protocol configured for the tunnels.
Download HOWTO: What ports have to be opened in the corporate firewall/router when Panda GateDefender Integra acts as a VPN Gateway. (864 KB)