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Inpath DPI pf/opnsense question

Posted: Sun May 28, 2023 11:27 pm
by Gomo
Hello,

for those who have experience with pfsense / opnsense and similar solutions, I was wondering if I could add (for example) opnsense in-path between my ISP modem and MikroTik router without disrupting my MT firewall, or well, mainly port forwarding, subnets, etc. I would like to do this in order to perform deep packet inspection.

And as mentioned, I would prefer an "in-path" solution & keeping my MT as my main "firewall" and router, and only use opnsense for DPI.

Here's a simplified diagram. Red circle is where I'd like to have opnsense DPI.
DPI.png
Thanks in advance!