diff --git a/server.cnf b/server.cnf
new file mode 100644
index 0000000..127c4c1
--- /dev/null
+++ b/server.cnf
@@ -0,0 +1,18 @@
+# minimum server certificate config.
+
+[req]
+distinguished_name = req_distinguished_name
+x509_extensions = v3_req
+prompt = no
+
+[req_distinguished_name]
+CN = My Server Cert
+
+[v3_req]
+subjectAltName = @alt_names
+keyUsage = critical, digitalSignature, keyEncipherment
+extendedKeyUsage = serverAuth
+
+[alt_names]
+DNS.1 = example.com
+IP.1 = 1.1.1.1
\ No newline at end of file