===== Interface - security =====


==== General ====


Access to PDI is possible in two ways.


==== IP whitelisting ====


Your fixed IP address or fixed IP range has been placed in our whitelist. This is generally your production system or systems that have shared access to the Internet through a router/firewall.


==== VPN access ====


With your personal VPN access (via openSSL). You can also use this with static or with dynamic IP assignment (dial-in connection, as is usually the case for most DSL connections, mobile devices, etc.).


==== Systems affected ====


This affects all interfaces:


    * https
    * SOAP
    * sFTP