In an SSL session, a secure connection is set up by a series of steps called the SSL handshake:
https://www.ssl.com/article/ssl-tls-handshake-overview/
If the handshake is successful you will have an encrypted connection. If the handshake fails your connection will NOT be encrypted - however, you should receive notification that the connection is not secure (usually a large, impossible-tp-ignore warning).
https://www.ssl.com/article/ssl-tls-handshake-overview/
If the handshake is successful you will have an encrypted connection. If the handshake fails your connection will NOT be encrypted - however, you should receive notification that the connection is not secure (usually a large, impossible-tp-ignore warning).