My scenario has 2 separate locations that are connected by tunnels over the internet with one network using the tunnel interface of the router in the other network as the default gateway. The plan is to have the 2 locations use the same web proxy. I have setup Sophos XG firewall to be a web proxy in gateway mode on one LAN using this article: https://community.sophos.com/kb/en-us/125585 and it is working as expected . Then I setup a DNAT firewall rule to allow access to the web proxy from the WAN . I can ping the LAN interface of the Firewall from the remote network but in the log viewer I am getting Denied messages for the connections to the web proxy from the remote network.
Is what I am trying to do possible with the Sophos XG firewall? I realise that the Web Proxy is disabled for the WAN zone in Administration->Device Access but I have little knowledge in dealing with firewalls to know if I am on the right path or I should quit.
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