GlobalProtect Gateway: can it share an IP used in NAT/Security Policies?

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GlobalProtect Gateway: can it share an IP used in NAT/Security Policies?

L4 Transporter

I have a working GlobalProtect setup right now using a single Portal on the district firewall, and a single Gateway on the firewall for the location I want to have access to.


Currently, these are using dedicated public IPs that are not used for anything else, assigned to the public interface of the two firewalls.


What I can't figure out from searching google, PA Discussions forum, and other resources is whether or not these need to be dedicated IPs used solely for the portal/gateway setup; or, if the IP can be shared with other services?


Eventually, I'd like to have a separate Gateway setup on each school firewall to allow admin staff to be able to access their files, servers, printers remotely. But, we don't have 50-odd public IPs that can be dedicated to this (each site only has 5 public IPs, used for all their public resources, with DNAT policies setup for forwarding specific ports through to various systems).


Can I just use one of the server IPs for the Gateway?  Or will that break things for the server and/or GlobalProtect?  Are there any Security Policy or NAT Policy changes needed to make that work?


Cyber Elite
Cyber Elite

Hi @fjwcash


Why don't you simply use the IP of the external interface for the Global Protect Gateway?

Uhm ... uh ... er ... huh.  Because that never occurred to me?  😉  I'll have to play with that, to make sure it doesn't interfere with management connections (we use that IP for the web management IP from within the district).


Was testing a config with it set to "share" the IP of a server with existing NAT/Security Policies, and it tries to pass the GP SSL traffic through the NAT rule instead of terminating it on the firewall.  😞

or maybe i misunderstood the post....   sorry..

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