確認OpenVAS log訊息
/var/log/openvas/openvassd.log
Failed reading client-requested OTP version
/var/log/openvas/openvasmd.log
openvas_server_verify: the certificate is not trusted
openvas_server_verify: the certificate has expired
OpenVAS 憑證過期及重新產生處理方式：
openvas-mkcert -f
openvas-mkcert-client -i -n
restart all daemons
