wild card certificate.

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wild card certificate.

L4 Transporter



i am using a wild card certificate for global protect. when i tried to connect global protect agent. i am facing the below issue:-



Certificate description:-

I have imported the wild card certificate that is sign by digicert.

firstly i have imported trusted root CA.

Then intermediate CA.

After that the server chain certificate.


Configuration description:-

I have used root CA and intermediate CA in a local trusted root certificate store.

And the server certificate we are using in SSL/TLS profile.

PAN-OS version - 8.1.11

GP version - 5.1.0


I have just a question:-

is there any limitation for a subdomain in the wild card certificate?

example:- i am using the domain "abc.vpn.contoso.com.uk"


Appreciate your response.





L5 Sessionator

What's the CN on the cert? If it's *.contoso.co.uk, it won't work. You would need *.vpn.contoso.co.uk.

This isn't a limitation of GP, it's the behavior with any certificate. 

L7 Applicator

Hmmmm...   seems a bit odd that you are offered a gateway in the first place. I assume you had no certificate error for the portal...   do you get an error if  you browse https to your portal?


The CN on the cert is *.contoso.com.uk. and the gateway URL is *.abc.vpn.contoso.com.uk.  as per your suggestion would i need to change the common of the certificate like *.vpn.contoso.co.uk?

Let's say the url is 1.abc.vpn.contoso.co.uk, then you would need a wildcard for *.abc.vpn.contoso.co.uk.

*.vpn.contoso.co.uk would not work for 1.abc.vpn.contoso.co.uk

The * only functions at one level.



Thanks for the detail. i will change the CN name.

Then i will try.

  • 5 replies
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