Service Desk Project URL

[UO FASS IT]

I'm attempting to configure the URL for a project in [project] > Settings > Details > URL so that instead of having the URL https://jira.my.domain/servicedesk/customer/portal/1 it's more like https://jira.my.domain/it.  

I seem to remember this working in recent past, but we've reinstalled to go live with it and it's not working on Service Desk 3.15.0.  Instead of loading the portal, it gives me a 404.

Any idea what's missing from my configuration that's stopping this from working?

Thanks!

[Jack Brickey]

see if this article helps.

[UO FASS IT]

I saw that article earlier in my investigation.  If I must do rewires, I can, but I'd prefer not to.  What would be the purpose of the URL field on the screen specified in my original post if not to provide a custom URL to access the customer portal from?  Is it just for use around the Service Desk application but doesn't actually change a configuration?