authorityKeyIdentifier=keyid,issuer
basicConstraints=CA:TRUE
keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment, keyCertSign, cRLSign
subjectAltName = @alt_names
extendedKeyUsage = serverAuth

[alt_names]
DNS.1 = steamcommunity.com
DNS.2 = *.steamcommunity.com