DNS Requests of Zscaler by-pass list

Hello,

I would like to ask a query.

Will the Zscaler Client connector will continuously send DNS queries to the list of VPN gateways which are by-passed in the App Profile ??

Thanks,
Rahul

Hello Rahul,
No, it won’t be continuously. It is on every network change.

Hello Jamil,

Thank you for your response.

We are seeing a weird situation in our environment.

When ever a the user is connecting to FortiClient VPN (this is managed by other customer) they are seeing DNS hits on their firewall to a particular domain.

When we take a PCAP once the user is connected to VPN, we are seeing DNS queries to the list of VPN gateways which are added in by-pass list in the App Profiles.

Any thoughts on this ?

Thanks,
Rahul V

Connecting to a VPN is a network change so that would trigger it. I assume it happens only one times when they connect to the VPN and not continuously? If it happens continuously, that would affect the network performance. I would recommend to raise a support case for further investigation.