public SslContext getClientSslContext() {
        try {
            return SslContextBuilder.forClient()
                    .sslProvider(chooseSslProvider())
                    .ciphers(getCiphers(), getCiphersFilter())
                    .protocols(getProtocols())
                    .build();
        } catch (Exception e) {
            log.error("Error loading SslContext client request.", e);
            throw new RuntimeException("Error configuring SslContext for client request!", e);
        }
    }
Client Ssl Context Factory

Author: Arthur Gonigberg
Date: May 14, 2018
zuul-core/src/main/java/com/netflix/zuul/netty/ssl/ClientSslContextFactory.java