tched</a>.</div></aside></div><h3 id=externalname-services>ExternalName Services</h3><p>An <a href=https://kubernetes.io/docs/concepts/services-networking/service/#externalname>ExternalName Service</a> is essentially just a DNS alias.</p><p>Because there is no <code>ClusterIP</code> nor pod IPs to match on, for TCP ExternalName Services, all IPs on the port will be matched.
This may prevent <a href=#unmatched-traffic>unmatched traffic</a> on the same port from being forwarded correctly.
As such, it is best 