code: func (c *Configurator) OutgoingRPCConfig() *tls.Config {
  	c.log("OutgoingRPCConfig")
  	if c.outgoingRPCTLSDisabled() {
  		return nil
  	}
  	return c.commonTLSConfig(false)
  }
docs: // OutgoingRPCConfig generates a *tls.Config for outgoing RPC connections. If
  // there is a CA or VerifyOutgoing is set, a *tls.Config will be provided,
  // otherwise we assume that no TLS should be used.