Hi,

Apologizes if this question is to "newbie", but i recently thought about Radius security when using proxy. Considering we are using an EAP-TTLS method, based on LDAP authentication inside inner-tunnel (finally with PAP auth a the end).

When a client tries an auth, encryption is done by the server only, encoding datas into a TLS tunnels initiated by the server. So login and password are "hidden" into this tunnel.

But when using this method through a proxy way, wher eis data encryption ?

Ex :

First i a direct connexion :
Client (EAP-TTLS) => Tunnel (TLS) => Radius Server

Then with proxy :
Client (EAP-TTLS) => ? => Proxy Radius Server => ? => Radius

BR,
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