Select an app setting and view the internal host detection details and internal
gateway details.
When you enable the internal gateway and internal host detection in step
5, Prisma Access enables IPv4 internal host detection and
internal gateway here as well.
Prisma Access populates the
Remote
Networks DNS IP Address value, from step
2, as the IP address.
IPv6 internal host
detection on Prisma Access DNS proxies isn't supported.
You
can't remove this
Prisma Access Internal Gateway
entry. However, you can add your self-deployed internal gateways. You can deploy
your own DNS servers in the internal network for internal host detection, but
ensure to add PTR records so that the internal host detection is possible.
Prisma Access appends the
Gateway FQDNs value, from
step
3, to the address.
You can view the DNS
proxy server IP address details by selecting .
If you enable Internal Host
Detection, verify that the DNS resolution is working,
perform a reverse DNS lookup from your internal network to DNS proxy server
IP address, and ensure it returns an FQDN starting with
any-igw.