Compiling FreeRADIUS v 3.0.15 with OpenSSL 1.1.1 works just fine. Just thought you might like to know the debug info reports an UNKNOWN TLS VERSION: (2) fsu-eap: Peer sent packet with method EAP PEAP (25) (2) fsu-eap: Calling submodule eap_peap to process data (2) eap_peap: Continuing EAP-TLS (2) eap_peap: Peer indicated complete TLS record size will be 151 bytes (2) eap_peap: Got complete TLS record (151 bytes) (2) eap_peap: [eaptls verify] = length included (2) eap_peap: (other): before SSL initialization (2) eap_peap: TLS_accept: before SSL initialization (2) eap_peap: TLS_accept: before SSL initialization (2) eap_peap: <<< recv UNKNOWN TLS VERSION ?0304? [length 0092] (2) eap_peap: TLS_accept: SSLv3/TLS read client hello (2) eap_peap: >>> send TLS 1.2 [length 005d] (2) eap_peap: TLS_accept: SSLv3/TLS write server hello (2) eap_peap: >>> send TLS 1.2 [length 088b] (2) eap_peap: TLS_accept: SSLv3/TLS write certificate (2) eap_peap: >>> send TLS 1.2 [length 0095] (2) eap_peap: TLS_accept: SSLv3/TLS write key exchange (2) eap_peap: >>> send TLS 1.2 [length 0004] (2) eap_peap: TLS_accept: SSLv3/TLS write server done (2) eap_peap: TLS_accept: Need to read more data: SSLv3/TLS write server done (2) eap_peap: In SSL Handshake Phase (2) eap_peap: In SSL Accept mode (2) eap_peap: [eaptls process] = handled Doug Wussler Florida State University