Question

Where should a Radius server sit ? DMZ or WIFI ??

Asked by: JoeMcGivern

Hi,

I am setting up a Network with a WIFI Zone. The zone to have two SSID. Staff and members. Staff to Auth against AD and members to auth SQL. I have built the PF with 4 Zones..Wan , Lan , DMZ and WIFI. I have built a free radius server.I know the PF comes with built in Radius but we wanted to put it on to a seperate box for more control.

This may be a very stupid question but should the radius go in the DMZ..??

Thanks..

J

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Asked On
2009-10-12 at 11:54:11ID24805539
Tags

free radius

,

dmz

,

pfsense

Topics

Linux Network Security

,

Network Software Firewalls

,

Networking Security Vulnerabilities

Participating Experts
1
Points
500
Comments
6

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Answers

 

by: MikeHolcombPosted on 2009-10-12 at 12:43:41ID: 25554320

Because your RADIUS server stores your authentication information, you would not want to place it in the DMZ zone where it could possibly be exposed to outside parties.  In your current solution, your only option would be to place the RADIUS server within the LAN zone and restrict access to the RADIUS server as much as possible through implementing ACL's and any other security controls you might have.

 

by: JoeMcGivernPosted on 2009-10-12 at 15:13:50ID: 25555544

I am going to have 4 zones..
WAN - Internet
LAN - AD and SQL server
DMZ - perimter SQL svr for external on line web authentication
WIFI - Access points..

If I put the Radius server in the LAN zone am I not opening up a route directly to the LAN..
Sorry if this is a stupid question..Having problems getting my head around this..

 

by: MikeHolcombPosted on 2009-10-13 at 07:42:55ID: 25560455

With the RADIUS server placed within the LAN zone, you would want to specify Access Control Lists to only allow the IP addresses and protocols/ports necessary for the Wireless Access Points and other devices to communicate with the RADIUS server.  No other devices should have a pathway to the RADIUS server.

 

by: MikeHolcombPosted on 2009-10-13 at 07:47:16ID: 25560518

 

by: JoeMcGivernPosted on 2009-10-13 at 07:52:29ID: 25560581

Thanks Mike..I will take a read of that later..

 

by: JoeMcGivernPosted on 2009-10-13 at 11:39:24ID: 31640180

Spot on..Needed direction and that is what I got..

Thanks..

20120131-EE-VQP-002

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