Configure S3 backend for Dell ECS

rkrishnan

New Member
Mar 5, 2026
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May I know how you setup the Dell ECS to Proxmox Backup Server for S3?

I am using the ECS behind HAProxy and its using self signed certs.

When i do

proxmox-backup-manager s3 endpoint list-buckets I get "unexpected status code 403 Forbidden" error.

I am using PBS 4.0.11 and ECS / Objectscale v4.1.0.0.

This is my s3-endpoint config in Proxmox Backup Server s3.cfg


s3-endpoint: ecs-test
access-key ******
endpoint {{namespace}}.{{domain}}
fingerprint <sha256>
port 443
provider-quirks skip-if-none-match-header
region us-east-1
secret-key ************


Any help on this is very much appreciated.