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NodeJS Securing applications

SSL/TLS in Node.js


If you choose to handle SSL/TLS in your Node.js application, consider that you are also responsible for maintaining SSL/TLS attack prevention at this point. In many server-client architectures, SSL/TLS terminates on a reverse proxy, both to reduce application complexity and reduce the scope of security configuration.

If your Node.js application should handle SSL/TLS, it can be secured by loading the key and cert files.

If your certificate provider requires a certificate authority (CA) chain, it can be added in the ca option as an array. A chain with multiple entries in a single file must be split into multiple files and entered in the same order into the array as Node.js does not currently support multiple ca entries in one file. An example is provided in the code below for files 1_ca.crt and 2_ca.crt. If the ca array is required and not set properly, client browsers may display messages that they could not verify the authenticity of the certificate.

Example


const https = require('https');
const fs = require('fs');
const options = {
 key: fs.readFileSync('privatekey.pem'),
 cert: fs.readFileSync('certificate.pem'),
 ca: [fs.readFileSync('1_ca.crt'), fs.readFileSync('2_ca.crt')]
};
https.createServer(options, (req, res) => {
 res.writeHead(200);
 res.end('hello world\n');
}).listen(8000);


Conclusion

In this page (written and validated by ) you learned about NodeJS Securing applications . What's Next? If you are interested in completing NodeJS tutorial, your next topic will be learning about: NodeJS Mongoose Library.



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