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Hi Kosta! Just wanted to let you know that I am in a very similar place as you were last year: coming from Sophos UTM, consistently exceeding the 50-ip limit with all my IoT devices, with a site-to-site IPsec VPN with another UTM at the office, Lets Encrypt, a number of WAF/Web Protection rules, and a home lab vSphere infrastructure.
I now have OPNSense set up behind my UTM, and am double-NATing my VLAN of IoT devices to hide them from Sophos. So I no longer have the IP problem, per se. But I eventually would like to just move completely to OPNSense. How has the transition gone for you? I wonder if you have any links/pointers/gotchas to share around setting up the VPN and the WAF. I hope it's worked out for you!
I now have OPNSense set up behind my UTM, and am double-NATing my VLAN of IoT devices to hide them from Sophos. So I no longer have the IP problem, per se. But I eventually would like to just move completely to OPNSense. How has the transition gone for you? I wonder if you have any links/pointers/gotchas to share around setting up the VPN and the WAF. I hope it's worked out for you!
