private void removeSslHandlerFromAllChannels() {
        this.allChannels
            .stream()
            .map(Channel::pipeline)
            .filter(pipeline -> pipeline.toMap().containsKey(SSL_HANDLER_NAME))
            .forEach(pipeline -> pipeline.remove(SSL_HANDLER_NAME));
    }
Remove TLS filter from all channels of this acceptor
xmppserver/src/main/java/org/jivesoftware/openfire/spi/NettyConnectionAcceptor.java