in log4j-server/src/main/java/org/apache/logging/log4j/server/SecureTcpSocketServer.java [36:39]
public SecureTcpSocketServer(final int port, final LogEventBridge<T> logEventInput,
final SslConfiguration sslConfig) throws IOException {
super(port, logEventInput, sslConfig.getSslServerSocketFactory().createServerSocket(port));
}