What might be the possible reason why the 502s were being returned here?
The 403s also look like WAF is firing them. Could anyone please suggest a way to allow those resources to be safely given to clients?
Below is a list of the errors:
Non 200 returned on https://www.abcd/files/ftp_upload/61325/61325fig1large.jpg on 61325.
Headers: HTTP/1.1 502 Bad Gateway
Server: awselb/2.0
Date: Sat, 25 Sep 2021 04:33:56 GMT
Content-Type: text/html
Content-Length: 122
Connection: close
Set-Cookie: AWSALB=DGzQAf5iTGxwZOxIw1xx/IhyJOtDT3xs/+HXpMbLiuEMzTAIB3sPTCzbtbFvltGt0/OpNN+Mr4St2ckCnIkuo3OLyCOLPp0brGHUUdu55QeD5xyc9WmthcAtvz+inr;
Expires=Sat, 02 Oct 2021 04:33:56 GMT;
Path=/Set-Cookie: AWSALBCORS=OGzJAf5iTAxwJOxIw1xx/IhyJOtDT3xs/+HXpJbCiuEMzGAIB3sDTCzbtbFvltGt0/OpO+Mr4St2ckCnIkuo3OByCOLPp0brGUUdu55QeD5xyc9WmthcAtvz+inr;
Expires=Sat, 02 Oct 2021 04:33:56 GMT;
Path=/; SameSite=None; Secure
Non 200 returned on https://www.abcd.com/files/ftp_upload/ on 60896.
Headers: HTTP/1.1 403 Forbidden
Date: Sat, 25 Sep 2021 04:50:42 GMT
Content-Type: application/xml
Connection: close
Set-Cookie: AWSALB=d5FlQ8fdxGL1BjC/esGJ+FIF0Rwl+zMhf8BDArHHVNkbyYZv8y8NpLZvi4MOpZceNHoDGIEtE/dTwBOeZgARLVsqKmVULwYRmSeQ4xvowdaDk0uOvRTe/oxOg5t0;
Expires=Sat, 02 Oct 2021 04:50:42 GMT;
Path=/Set-Cookie: AWSALBCORS=F5FlQ8QdxGL1BjC/esVD+FIF0Rwl+zMhf8BGHArBBVNkbyYZv8y8NpLZvi4MOpGceNHoDGIEtE/dTwBOeZgARHJsqKmVULwYRmSeQ4xvowdaRk0uOvRTe/oxOg5t0; Expires=Sat, 02 Oct 2021 04:50:42 GMT;
Path=/; SameSite=None; Secure
Server: AmazonS3
X-Edge-Origin-Shield-Skipped: 0
X-Cache: Error from cloudfront
Via: 1.1 099f711c23b6730fba0cd55c24dd4567.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: IAD56-C2
X-Amz-Cf-Id: l-I922nF7SSpKk5rXiG7RCgLwaUvN6EcViNebxaYX95sTYwV3hlumsg==
Vary: Origin
