Location of SSL VPN client for Linux

[Yanan]

Does anyone know where I can find the tunnel mode client application for Linux redhat? From the SSL-VPN doc: "If the client computer runs Linux or Mac OS X,the user needs to download the tunnel mode client application from the Fortinet Support web site. See the Release Notes for your FortiOS firmware for the specific operating system versions that are supported. The remote user must use the standalone tunnel client application."