OpnSense + IDS/IPS with virtIO

[don_lemon]

Hi, all
I have problem with Intrusion Prevention System

When I try to use it OpnSense is closing all connections, all nics is in freeze state. Only via cloud console I can to stop suricata and all traffic go without problems. I think problem is in virtualization platform provider which use OpenStack by RHEL, which use only VIRTIO type of NICS. I was googled information about it. And if I right old solution was only one – use e1000 emulation driver or physical NIC. For me – there are no other choice of NIC types. So question is there are any way to use IDS + IPS on virtio types of NIC? If I right problem is in the kernel or drivers level.

In network interfaces settings I have disabled by manual:
hardware checksum offload
hardware TCP segmentation offload
hardware large receive offload

OpnSense have active NAT service

Current version
Versions   OPNsense 18.1.6-amd64
FreeBSD 11.1-RELEASE-p9
OpenSSL 1.0.2o 27 Mar 2018

I will hope that this bug can be solved :)

Regards

[mimugmail]

virtio doesn't work yet ... small chance with 11.2, but only a guess. you still have to use e1000

[don_lemon]

Thanks for operative answer. At now I'm will be free of mine to search bugs in suricata :D And I will pray and wait new FreeBSD and kernel version with full supporting VIRTIO :D

Regards

[noctarius]

Oh ... now it makes all sense why it failed for me when I tested. I only run virtio (disk, network) with Proxmox for better performance. Interesting, thanks for the hint, so I won't have to retry ;-)