Does Gateway backup not store Web server port number?

[Matrix_Engineering]

Possibly related to this;

8.1.8 LTS Pulled, 8.1.9 Emergency Release

After 8.1.8’s release, we found a fairly severe regression. As a result we’ve pulled version 8.1.8 from our website, and released version 8.1.9 as a patch for the issue. The Issue Upgrading to version 8.1.8 would reset the gateway’s HTTP, HTTPS, and Metro ports back to their default values (8088, 8043, and 8060, respectively). This is not intended behavior. Workaround If a system has already been upgraded, then any ports there were not set to the default values before the upgrade need to be …

Although that does say upgrade not restore