I am impacted by the security problem of TLS-SNI


I am impacted by the security problem of TLS-SNI.

My site runs on Ubuntu apache.


If I understood correctly on Apache I can not use “–preferred-challenges http”?

./letsencrypt-auto --prefered-challenges http -d hightechplace.com

What is the solution on Apache?

Thanks for your help.


As written in Solution: Client with the currently selected authenticator does not support any combination of challenges that will satisfy the CA , you can use the manual webroot authenticator and use the --installer apache flag.


Thank you. It works :slight_smile:

If its a little help:

./letsencrypt-auto --installer apache --preferred-challenges http -d www.hightechplace.com

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