Why is my new 2-year SSL certificate's expiry only 1 year

[Mark Summerfield]

I just bought a 2-year SSL certificate from gandi.net.

But when I added it to the domain it was for in GAE the expiry date that appeared was for just one year.

Does this mean that GAE can only cope with 1-year SSL certificates?

[Barry Hunter]

Well from https://docs.gandi.net/en/ssl/description/multi_year.html

• In 2020, several major browsers declared they would no longer support SSL certificates with an expiration date past 398 days (1 year plus a grace period). Certificate Authorities, such as our partner company Sectigo, were then no longer able to offer 2-year SSL certificates, since they would be rejected as invalid by browsers used by a large portion of the internet community.
  
  
• As a result, Gandi has teamed up with Sectigo, our partnering Certificate Authority, to offer multi-year SSL certificate subscriptions. With multi-year subscriptions, you receive the cost benefit of paying for several years up front while still meeting the requirement of reissuing the certificate every year.

https://www.google.com/search?q=gandi.net+2+year+SSL

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[Mark Summerfield]

Oh, okay, thank you. Hopefully gandi will send me an email when I have to do this.