Sometime in the last week I've gotten the attached message when trying to log into my credit union behind my Sophos XG firewall. I attempted to set up rules to bypass filtering/etc for the site, and have had no luck getting past it. I even set up a trial (ie old license) of UTM 9.x and as of yesterday was getting the same message with that system as well. I blew away my configuration and started from scratch and am still getting the same error, so I restored my backup (saved time with some of the other minutia of my setup).
I used a simple $20 router in place of the Sophos XG/UTM and was able to get to the site just fine so I know it is not my ISP/Switches/Cookies/Browser cache. (Also I get this message across all machines, all OS's and all Browsers).
As you can see from the other attached picture I have my internal LAN allowed to go anywhere with IPS/Traffic Shaping/WEB Filtering/Application control turned off for my LAN.
What am I missing? Is there something in the way that Sophos software is doing MASQ that has broken this?
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