Topic Tag: AWS4-HMAC-SHA256 Search for: UpdraftPlus Home › Forums › Topic Tag: AWS4-HMAC-SHA256 Viewing topic 1 (of 1 total) Topic Voices Posts Last Post [Closed] Backup to S3 Frankfurt does not work after update; AWS4-HMAC-SHA256 Started by: Thomas in: Paid support forum – UpdraftPlus backup plugin 2 2 8 years, 10 months ago udadmin Viewing topic 1 (of 1 total)