Suricata and vlans

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kapara

Jr. Member
Posts: 97
Karma: 3

Suricata and vlans

« on: November 25, 2018, 12:04:50 am »

I read that you dont want to add vlans to Suricata but when I added the physical interface (LAN) and not the vlan (which is on the LAN physical Interface) as a monitored interface none of my phones would work or get DHCP. Then when I removed the physical interface (LAN) the phones started to work again.

Is this by design?

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ruggerio

Sr. Member
Posts: 295
Karma: 11

Re: Suricata and vlans

« Reply #1 on: November 26, 2018, 02:55:44 pm »

i am not aware of your architecture and wishes, but how big is your installation? I personally (@home!!!!) just inspect traffic on WAN, as i don't want traffic to get inspected, if i am in a "secure" zone.

If you have vlans, have you entered the networks in suricata?

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abraxxa

Jr. Member
Posts: 67
Karma: 7

Re: Suricata and vlans

« Reply #2 on: February 24, 2019, 05:45:31 pm »

For me the following worked:

Interfaces: Settings: disable Hardware CRC, Hardware TSO, Hardware LRO and VLAN Hardware Filtering
Services: Intrusion Detection: Administration: enable Promiscuous mode and select the physical LAN interface (my WAN is PPPoE for IPv4 and IPv6)

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