IPSec is connected but not passing traffic

  • Hi Everyone,

    Please bear with me but I am new to pfSense.

    I have configured a site to site tunnel with pfSense and a UniFi USG Pro4 device.

    The tunnel is up and connected but no traffic is passing.

    I have done some reading and verified that I am allowing all traffic in my pfSense rules for the IPsec interface.

    Can anyone think of what settings I might be missing?

    pfSense Settings

    pf IPSec Status.png pf Phase 1.png pf Phase 2.png

    UniFi USG Pro 4 Settings

    USG IPSec.png

  • @NdubYu Do you have the firewall active in the USG. Are you allowing traffic there too?

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