Score:0

FreeRadius with mixed CAs

ph flag

Is it possible to run FreeRadius (version 3.0.13) with two different CAs? So that I have a server certificate from one CA and the client certificates come from a different CA?

Our current setup in /etc/raddb/mods-enabled/eap looks a bit like that:

...
tls-config tls-common {
  certificate_file = ${certdir}/server.pem  # certificate only from CA ONE
  ca_file = ${cadir}/ca.pem                 # complete chain from CA TWO
  auto_chain = no
  ca_path = ${cadir}                        # contains all certs/complete chains from both CAs
}
...

And this is the error that I see in the logs:

Mon Dec 20 13:15:30 2021 : ERROR: (352) eap_tls: ERROR: TLS Alert read:fatal:unknown CA
Mon Dec 20 13:15:30 2021 : ERROR: (352) eap_tls: ERROR: TLS_accept: Failed in error
Mon Dec 20 13:15:30 2021 : ERROR: (352) eap_tls: ERROR: Failed in __FUNCTION__ (SSL_read)

Once clients and the server got their certificates from the same CA everything worked fine.

So is it even possible to have different CAs for server and client? If yes what would I have to do to accomplish this task?

mangohost

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