Not sure how to configure my multiple External IP Setup



  • I have pfsense acting as a firewall for my entire network.

    pfsense
    WAN IP:    210.210.70.200
    WAN GW:  210.210.70.199

    LAN IP:      210.210.71.229

    4x external IP's for Hosting side gateway for all is 210.210.71.299

    210.210.71.230 VM
    210.210.71.231 HOST
    210.210.71.232 VM
    210.210.71.233 HOST

    External IP to gateway for intenal LAN pfsense box GW 71.229

    210.210.71.226

    Now the problem I'm having is say we send an email from either 226 or 230 psfsense modifies the packet and sends it out as the IP of the WAN of the pfsense box 70.200 and it is screwing up our configuration for SPF records and such.

    How do I configure PFSense to send as the orginating IP, and possibly keeping the firewall in play?



  • I believe you want 1:1 nat in the situation you described.



  • I actually am using the transparent firewall method and is working great for everything execpt one thing.

    This here

    ***External IP to gateway for intenal LAN pfsense box GW 71.229

    210.210.71.226***

    i have network cameras on an public IP inside the LAN of the first pfsense box.

    when i try to access those cameras from any private IP behind the 210.210.71.226 gateway (second pfsense box), I can't see any of them.

    but from anywhere else in the world i can see them perfectly.

    any suggestions on that?



  • You're doing NAT behind the second box? In that case it'll work the same as anything else, capture traffic on WAN on one of the affected camera's IPs and see if it leaves WAN, if it gets any reply from the camera.


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