nginx生成自签名证书
openssl genrsa -out server.key 2048
openssl req -new -subj "/C=CN/ST=JiangSu/L=SuZhou/O=ldap/OU=ldap/CN=10.20.24.101" -key server.key -out server.csr
openssl x509 -req -days 3650 -in server.csr -signkey server.key -out server.crt
openssl genrsa -out server.key 2048
openssl req -new -subj "/C=CN/ST=JiangSu/L=SuZhou/O=ldap/OU=ldap/CN=10.20.24.101" -key server.key -out server.csr
openssl x509 -req -days 3650 -in server.csr -signkey server.key -out server.crt