Wildcards admin.*.exemplo.com

certbot certonly --rsa-key-size 4096 --manual --agree-tos --no-eff-email --email email@gmail.com --preferred-challenges=dns --server https://acme-v02.api.letsencrypt.org/directory -d exemplo.com -d .exemplo.com -d admin..exemplo.com

not work…

error:

An unexpected error occurred:
The request message was malformed :: Error creating new order :: DNS name had a malformed wildcard label

Does anyone know any solution?

Hi @Arisco

that

admin.*.exemplo.com

isn’t defined. If you want to use a wildcard certificate, the * must be the first character, followed by a dot. So

*.admin.exemplo.com
*.exemplo.com

is possible, but not admin.*.exemplo.com.

3 Likes

The rule that @JuergenAuer mentions is part of industry standards applicable to every certificate authority, so no certificate authority will be allowed to issue a certificate for this wildcard name.

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Hi @JuergenAuer and @schoen,
I need the joker admin. * .examplo.com

but * .examplo.com does not work at this depth?

right?

The * is only allowed to be at the left, like

*.admin.example.com

But not

admin.*.example.com

The * is not allowed to be in the middle of the name.

@schoen ok, Understood thanks ^^

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