While there is a communication adapter for Internet Direct (Indy) 10.6 (and one for Synapse v40) socket library, there is none for the ClientSocket components. To answer why, here is a quote from a Indy developer of the year 2013:

TClientSocket and TServerSocket have been deprecated for a LONG time. You should use a different component set, such as Indy (which also ships with Delphi)

https://stackoverflow.com/a/17028617/80901

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