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General Discussion / Filter Traffic only

« on: November 10, 2021, 06:53:57 pm »

Is OPNsense able to be placed in between the ISP modem and an Internal Router to filter traffic only?  I thought that what transparent bridge filtering would do, but I'm not having much success.  ISP is connected to the WAN interface and Internal Router is connected to LAN, both interface has been added to bridge 0 which has been assigned a static ip of the local lan that I am trying to filter the traffic to.  I followed the documentation on https://docs.opnsense.org/manual/how-tos/transparent_bridge.html, but the more I go down the rabbit hole, it appears I'm doing this wrong.  How should I be configuring OPNsense to just filter traffic between the lan and wan.