ERR_CERT_COMMON_NAME_INVALID because of Subject Alternative Name missing


If you are seeing similar errors in Chrome as below, your private cert probably missed the SAN. Starting from Chrome 58, it validates the DNS against the SAN that is in the certificate. Here is the quote that I found "Certificates have two ways to express the domain/IP they're bound to - one which is … Continue reading ERR_CERT_COMMON_NAME_INVALID because of Subject Alternative Name missing

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CertStuff


Do you know how many Amazon issued certificates (ACM) or user uploaded certificates (IAM) in your AWS accounts?  How many certificates have been deployed to production in your Akamai contracts? Not sure about you, but I don't know the answer. So I wrote a tool called CertStuff to get all those information (common name, SAN, … Continue reading CertStuff

Akamai add basic auth to incoming request


In some cases, Akamai may need to add auth basic to incoming request before sending it to the origin. Here is how to: 1) encode the username and password in the format of username:password. It can be done either via bash script or the online tool. # echo -n username:password | base64 dXNlcm5hbWU6cGFzc3dvcmQ= https://www.base64encode.org/ 2) Add a behavior … Continue reading Akamai add basic auth to incoming request