Getting 401 Unauthorized error "The request is not accompanied by a valid authorization header"

Ipfs host: https://ipfs.io/ipfs/QmQYVb7sooK1U68Sb6QGXJjHbeNqNtQFBcqSuEVXTA1jGp

This error is consistent when called from one of service inside Kubernetes cluster where traffic is flowing via K8s App → NAT G/w → Network Firewall → IPFS.

It is working well from postman or browser.

Is it blocking the IP due to huge traffic.