If you enabled Entrust support in the SSL tab, the Entrust tab settings specify the Entrust certificate to be used.
Configuring the Entrust settings
Browse to or type the path to the entrust.ini file (typically located in the Windows installation directory on Windows machines, and in the Entrust clients subdirectory on UNIX systems.
Browse or type the path to the Entrust profile file (.epf extension) that defines the certificate to be used.
Enter the password required to use the specified Entrust profile.
