printf "subjectAltName = DNS:nfoonf.org\n" > files/extfile_services.cnf
printf "extendedKeyUsage = clientAuth,serverAuth" >> files/extfile_services.cnf
openssl genrsa -out files/server_key.pem 4096
openssl req -subj '/CN=server' -new -key files/server_key.pem -out files/server.csr
openssl x509 -req -days 365 -sha256 -in files/server.csr -signkey files/server_key.pem -out files/server_cert.pem  -extfile files/extfile_services.cnf