property ServerHelloExtensions: TTLSHelloExtensions;
Holds a collection of TTLSHelloExtension objects. Use ServerHelloExtensions[Index] to obtain a pointer to a specific extension. The Index parameter indicates the index of an extension. The index of the first extension is 0.
The server sends the extension list to the client during the TLS/SSL handshake when starting a new session or requesting session resumption. TLS extensions allow extending the information about the client and server certificates, encryption capabilities, signature algorithms, etc.