LiteManager OSX client and iOS client.
Cascade connection — is used for connecting the server module located in another subnetwork via an intermediate computer that has two network interfaces for two subnetworks.
At first, you should establish the connection with the intermediate computer by installing the LiteManager server module on it.
Now you should install the server module on the computer located in another subnetwork and add a new connection to it, specifying its IP address in the local network that is accessible from the intermediate computer. After that specify the intermediate computer in its properties.
The proxy server is specified in the options under the Network and operating modes tab, Proxy server option.
After that you can sequentially authorize on the intermediate computer and the server located in another subnetwork.
Additional help information
Connect via server