Hello,
I want to setup a security concept in my homelab; if required I could
share a document that illustrates this concept.
There should be 2 firewalls with different software stack.
I have a device
<http://cdn.cnetcontent.com/a7/17/a7178a00-966f-47ba-a44d-8e229f23f978.pdf>
with 4 NICs that is running OPNsense <https://opnsense.org/>; this
device should be used as router + firewall. And this includes a WAN port
connected to my ISP modem.
The plugins available in OPNsense allows to offer additional services,
e.g. reverse proxy, HTTP proxy + AV, DNS (with webfilter).
The other firewall will be deployed in a VM using Shorewall; this VM can
have as many NICs as required.
What I don't understand is if this concept would work in general.
And I don't know if it's correct to configure all interfaces and its
network segments in OPNsense (by using available NICs + VLANs).
Which interfaces would be required for Shorewall VM?
I would appreciate your advise.
Regards
Thomas
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