Error while connecting using TLS 1.3
by Marc Sauer
Hello,
I'm currently setting up our radsecproxy for the use with Eduroam. The
TLS connection seems to be not possible though.
When I try to start the daemon, I get the following error in the log file:
sslreadtimeout: SSL: error:14094418:SSL routines:ssl3_read_bytes:tlsv1
alert unknown ca
My certificate is definetly valid and I've configured the right
certificate chain.
When I try to connect to the federation radius server (by DFN here in
Germany) manually with openssl s_client it works, but only using tls
1.0,tls 1.1 and tls 1.2. It does not work with TLS 1.3.
Any idea why this is happening? So the real problem is: It works with
all other TLS versions, but not 1.3. Is there a way to force OpenSSL lib
to use only 1.2 somehow?
Thank you in advance to you all.
Marc Sauer
--
Marc Sauer
Linux Systems Administrator
Kunsthochschule für Medien Köln/
Academy of Media Arts Cologne
Peter-Welter-Platz 2
50676 Köln
https://www.khm.de
https://en.khm.de
5 years, 4 months
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