# openssl req -new -x509 -days 3650 -key key.pem -out cert.pem -config san.cnf -extensions v3_req [req] distinguished_name = req_distinguished_name req_extensions = v3_req prompt = no [req_distinguished_name] CN = playwright-test [v3_req] basicConstraints = CA:FALSE keyUsage = nonRepudiation, digitalSignature, keyEncipherment subjectAltName = @alt_names [alt_names] DNS.1 = localhost IP.1 = 127.0.0.1 IP.2 = ::1