Hello @Nigel Morse ,
Below is the update from the PG:
- Azure portal support for Wildcard host names in listener is currently in works and the ETA for it's rollout is by end of June 2021.
- With multi-site listener you can support 5 wildcard hostnames at this point and this is a preview feature limitation. We may evaluate increasing this limit in the next semester ensuring no performance impact, but no timelines currently. You may provide your feedback regarding same in the below forum for future improvements:
https://feedback.azure.com/forums/217313-networking/suggestions/32359375-allow-multiple-hostnames-in-the-same-listener-appl
Kindly let us know if the above helps or you need further assistance on this issue.
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