TLS-SNI-01 support is deprecated

LSIO Discussion Container Support
1

I get the following error in my log file.

TLS-SNI-01 support is deprecated. This value is being dropped from the setting of --preferred-challenges and future versions of Certbot will error if it is included.

This is when I use - VALIDATION=tls-sni in docker-compose. http as validation works but then a far as I understand I should open port 80

2

TLS-SNI-01 is deprecated in certbot.

3

You need to open port 80 for http validation yes or use DNS validation.

4

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