Palo Alto in Virtual wire vs TAP mode.

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Palo Alto in Virtual wire vs TAP mode.

L2 Linker

Hello,
Just wanted to confirm my understanding on the different modes of deployment in PA.
Virtual Wire is an INLINE mode ( similar like IPS) and TAP mode is a passive monitoring mode.
So does that mean if I find an unlocked rack somewhere and I were to remove the ethernet from the switch/firewall in that rack and instead attach it to lets say ethernet1/1 on palo alto in a virtual wire mode, then connect ethernet 1/2 on the palo alto back to the port in the rack, then I can actually be snooping on all the traffic ? And more so not only snooping I can also block some traffic ? In TAP mode, it requires the switchport to be configured to TAP so I think I cannot snoop using TAP mode ? 

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Accepted Solutions

Cyber Elite
Cyber Elite

Hi @Kandarp_Desai ,

 

That is correct.  You brought up some good thoughts which I will finish below:

 

  1. VWire = virtual wire = inline = snoop = block = IPS
  2. Tap = not inline = switch port setup for SPAN or port mirroring = still can snoop = cannot block = IDS

Yes, the easiest setup for VWire is between 2 network devices, such as the switch and the current firewall.

 

Thanks,

 

Tom

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2 REPLIES 2

Cyber Elite
Cyber Elite

Hi @Kandarp_Desai ,

 

That is correct.  You brought up some good thoughts which I will finish below:

 

  1. VWire = virtual wire = inline = snoop = block = IPS
  2. Tap = not inline = switch port setup for SPAN or port mirroring = still can snoop = cannot block = IDS

Yes, the easiest setup for VWire is between 2 network devices, such as the switch and the current firewall.

 

Thanks,

 

Tom

Help the community: Like helpful comments and mark solutions.

L2 Linker

Thanks for the reply Tom 🙂 Hope you have a most pleasant day!

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