Record network traffic from pFsense vm with SO vm in Proxmox appliance

alaite

New Member
May 26, 2022
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((I think I've been overthinking and got lost in my thoughts. I'm a beginner, so my question might be a bit silly.))

Hi,

I have a HW appliance box with 6 NICs. I want to reinstall Proxmox in the configuration shown in the picture. The goal is to have a virtualized pFsense with one physical WAN and two LAN ports. I also want to install a Security Onion VM where one NIC is in promiscuous mode to record/monitor the traffic on LAN2 and LAN3 (NET 1 & NET 2). Other equipment will be connected to physical distribution switches.

Can anyone give tips on how I can achieve this? I'm starting to wonder if Security Onion might not need physical ports since it's a VM2 in the same appliance.

Thank you in advance.
 

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