Intermittent Internal DNS resolution issue over Global Protect Prisma
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Intermittent Internal DNS resolution issue over Global Protect Prisma

L0 Member

The issue is unable to access anything on internal network when connected to VPN due to DNS resolution issue. Unable resolve any internal URL, Hostnames..etc but external URLs resolution is working like google.com, paloaltonetworks.com..etc.

The strange thing is if we do ping <website> it is not resolving to any IP but if we do nslookup <website> it gives IP address and this issue for only intranet things.

Thanks,

Prakalathan K

2 REPLIES 2

L3 Networker

Hi @PrakalathanXK,

 

Since you are not able to resolve public domains but internal, it sounds like your DNS configuration is incomplete. Public DNS configuration is set up by default with the public cloud DNS servers. Therefore, make sure you have completed step #9 from the instructions below to add your internal DNS servers information to your configuration:

https://docs.paloaltonetworks.com/prisma/prisma-access/prisma-access-panorama-admin/prisma-access-fo...

 

Let us know if you have any further questions.

L0 Member

Hi @PrakalathanXK,

 

I have the same issue with some users and not all the time, did you could resolve this issue?.

 

Regards.

Anais R.

AnR
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