[abortOnSslErrors] windows [deprecatedProtocols] windows [disabledProtocols] windows [protocol] windows [qtbug18498_peek] windows [setReadBufferSize] windows [spontaneousWrite] windows [sslErrors] windows [connectToHostEncrypted] osx-10.13 [setSslConfiguration] windows osx-10.13 [connectToHostEncryptedWithVerificationPeerName] osx-10.13