Feed URL not available after a restore

I’ve been running SSP for a year with great results, but recently had to rebuild the WordPress server. I switched from Apache to Nginx and restored my WordPress content, settings, files and database. All of my podcasts were restored and can play fine, but when I view the Feed URL for any of the podcasts, I get a 404 error.

I added the Rewrite rules found https://www.ads-software.com/support/topic/nginx-rules-break-server/ and this fixed the podcast player issues, but the feed issues are still there. I also tried adding a new Podcast series but the feed still shows a 404 error.