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+# Quick Guide of SSL
+
+* Prerequisites
+  * [OpenSSL](https://www.openssl.org/) tool
+  * Openssl is preinstall on Linux / MacOS / Git Bash
+  * For windows, need to build the binary. Alternatively, use Git Bash (Install Git)
+* Generate SSL key And cert
+
+```sh
+$ openssl req -new -newkey rsa:2048 -nodes -keyout server.key -out server.csr
+
+// more sample
+$ openssl req -newkey rsa:2048 -nodes -keyout key.pem -x509 -days 365 -out certificate.pem
+```
+
+
+
+## Node JS implementation
+
+* Reference Code for secure server
+* Place key and cert file in the `cert` folder of the nodejs project
+
+```js
+const express = require('express');
+const https = require('https');
+const path = require('path');
+const fs = require('fs');
+
+const app = express();
+
+app.use('/', (req, res, next) => {
+    res.send('Hello from SSL Server');
+});
+
+const sslServer = https.createServer({
+    key: fs.readFileSync(path.join(__dirname, 'cert', 'server.key')),
+    cert: fs.readFileSync(path.join(__dirname, 'cert', 'server.csr))
+}, app);
+
+sslServer.listen(3443, () => console.log('Secure Server on port 3443'));
+```
+