1req_extensions = req_ext 2 3[req_ext] 4extendedKeyUsage = serverAuth 5subjectAltName = @alt_names 6 7[alt_names] 8email = mail@example.com 9DNS = example.com 10dirName = dirname_sect 11IP = 127.0.0.1 12URI = http://pki.example.com 13 14[dirname_sect] 15C=UK 16O=Mbed TLS 17CN=Mbed TLS directoryName SAN 18