openssl申请多域名证书

vi req.cnf

[ req ]
distinguished_name = req_distinguished_name
req_extensions = v3_req
prompt = no

[ req_distinguished_name ]
C = CN
ST = Shandong
L = Yantai
O = Jiafang
OU = IT
CN = *.jiafang.com

[ v3_req ]
keyUsage = critical, digitalSignature, keyAgreement
extendedKeyUsage = serverAuth
subjectAltName = @alt_names


[ alt_names ]
DNS.1 = esigndev.jiafang.com
DNS.2 = eimpdev.jiafang.com
DNS.3 = *.jiafang.com
IP.1 = 10.10.112.153

openssl req -new -key server.key -out server.csr -config req.cnf