If you have EAP-TLS or RadSec configured, you probably want to update OpenSSL: https://www.openssl.org/news/secadv/20220315.txt This isn't an issue in FreeRADIUS but a malicious person can use WiFi + EAP-TLS to "lock up" the RADIUS server. The only fix is to either disable the use of client certificates, or to upgrade OpenSSL. Alan DeKok.