Virtual firewall link to USG/Zywall/VPN

PeterUK Posts: 2,700  Guru Member
First Anniversary 10 Comments Friend Collector First Answer
edited August 2022 in Security Ideas

Had this idea for some time but didn't think it could work for devices going by a bridge until I worked out how that could be done.

So let start with the setup LAN1 to OPT with no LAN1toOPT firewall rule but has LAN1toZyWALL allowed only.

So heres the idea a software firewall by Zyxel on windows 10 that links to the USG/Zywall/VPN device on a custom protocol (not TCP or UDP) when you start a APP like Microsoft Edge you get a prompt do you want to allow this with a user name password set by USG/Zywall/VPN (admin not allowed user type must be user) and you can click to deny, always allow or ask each time the software firewall then sends to the USG/Zywall/VPN to allow/deny the traffic for protocol, IP and port (destination and source).

The software firewall has the option to set the IP of the USG/Zywall/VPN to override default gateway IP and interface (DMZ) traffic will be sent on and seen by USG/Zywall/VPN like a bridge DMZ to WAN1.     

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