WAP571 SSL Certificate with Let's Encrypt

[maggieyinleung]

Hi,

i want to use SSL certificate for the WAP571 security. 

When i completed the upload, system said "The certificate file failed to be uploaded".

what that means? and how to solution?

Thanks.

[balaji.bandi]

what format is the cert ?

[maggieyinleung]

*.crt

RSA-SHA256

EKU: TLS Web Server Authentication, TLS Web Client Authentication
Key Type: ECDSA