Re: Question / Copy inner to outer identity

On Nov 4, 2025, at 3:54 AM, Dominic Stalder <[email protected]> wrote:
> 
> I know there is already some information out there about this topic, for example in this post from back in 2018: https://lists.freeradius.org/pipermail/freeradius-users/2018-November/093770.html
> 
> And there are also examples in the FreeRADIUS inner-proxy configuration file:

  Do not post the configuration files to the list.  We know what's in them.  We don't need to see them posted to the list.

> We use PEAP/MS-CHAPv2 on our eduroam SSID.
> 
> Goal: copy the inner identity to the Access-Accept RADIUS packet, if possible at all (?!) à our Cisco WLAN infrastructure could «see» the real username instead of a bunch of [email protected] accounts, this will be used for further processing in a cloud service.
> 
> But based on the debug output (see below), the inner-proxy configuration is not hit at all; I think this is based on how our FreeRADIUS proxing is done, but here I am not 100% sure about this.

  Reading the debug output, the inner-tunnel virtual server is being run.  But the lnner-tunnel "Post-Auth-Type" isn't being run.

> But maybe you can help me out and point me into the right direction; in short: is there a way (for us) to achieve the copying of the inner to the outer identity for the Access-Accept packet (only)?

  Just copy it in another section in the inner-tunnel.

	if (!&outer.config:User-Name) {
		update {
			&outer.config:User-Name := &User-Name
		}
	}

  Alan DeKok.

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