Can you use DHCP reservation information to map USER-ID?

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L0 Member

Can you use DHCP reservation information to map USER-ID?

Weird question....but have to ask.

 

Small Office network

No AD

Use PA220 as a DHCP Server for users (even mobile devices).

DHCP Reservation Table has all the information that I think USER-ID could use.....is there a way to make this happen?

 

thought about trying to forward a log file out of Management Interface to the Trusted interface.....but just spitballing here.

 

Bottom line - trying to come up with a way that I don't have to make users authenticate (so to speak).

 

Like I said....weird question :-)

 

thanx,

tlh

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Highlighted
Cyber Elite

Re: Can you use DHCP reservation information to map USER-ID?

Hello,

Check out the following:

 

https://docs.paloaltonetworks.com/pan-os/8-0/pan-os-admin/user-id/user-id-overview.html

 

https://docs.paloaltonetworks.com/pan-os/8-0/pan-os-admin/user-id/enable-user-id.html

 

I'm sure there is a location where all users must authenticate to? If not then Captive Portal and /or Global Protect might be the way to go.

 

Just some thoughts.

Highlighted
L4 Transporter

Re: Can you use DHCP reservation information to map USER-ID?

@thartman I don't think that this will work.

The DHCP DORA process has no user information involved - so how should the firewall map that IP to a user?

I would recommend to use internal globalprotect for UserID - that's the best reliable source for it - in the meantime, youcould use WMI probing

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