--- title: "Raphael Carlos Rego (@raphaelcarlosr) | Hashnode" description: "Full stack software engineer, application security specialist. Read the latest articles by Raphael Carlos Rego on Hashnode." url: "https://hashnode.com/@raphaelcarlosr" --- @raphaelcarlosr # Raphael Carlos Rego @raphaelcarlosr ยท Sรฃo Paulo, Brazil ยท Joined June 2022 Full stack software engineer, application security specialist [Website](https://raphaelcarlosr.dev/) ### [Discovering XSS Injection in Just One Minute: An Unconventional Approach](https://blog.raphaelcarlosr.dev/discovering-xss-injection-in-just-one-minute-an-unconventional-approach?utm_source=hashnode&utm_medium=feed) XSS injection is a serious security issue that can leave web applications vulnerable to attacks. While there are various methods to detect XSS vulnerabilities, one unconventional approach involves the use of a simple JavaScript code snippet. To perfo... 1 min read ยท [blog.raphaelcarlosr.dev](https://blog.raphaelcarlosr.dev/discovering-xss-injection-in-just-one-minute-an-unconventional-approach?utm_source=hashnode&utm_medium=feed) [Mar 14, 2023](https://hashnode.com/posts/discovering-xss-injection-in-just-one-minute-an-unconventional-approach/641049c3d0ccf16ed8181343) ### [๐Ÿ”How to decode and use 2FA code generated by TOTP Algorithm ๐Ÿค–](https://blog.raphaelcarlosr.dev/how-to-decode-and-use-2fa-code-generated-by-totp-algorithm?utm_source=hashnode&utm_medium=feed) You may have entered a 6-digit code from a 2FA app like Google Authenticator ๐Ÿ˜ฌ, but where did this code come from? The answer lies within the QR code and the inner workings of the Time-based One-time Password algorithm (TOTP) ๐Ÿ”. In this article, we... 2 min read ยท [blog.raphaelcarlosr.dev](https://blog.raphaelcarlosr.dev/how-to-decode-and-use-2fa-code-generated-by-totp-algorithm?utm_source=hashnode&utm_medium=feed) [Mar 13, 2023](https://hashnode.com/posts/how-to-decode-and-use-2fa-code-generated-by-totp-algorithm/640eeea7822efe5e97b0a161) ### [๐Ÿ›ก๏ธ Two-Factor Authentication: Why TOTP is a Must-Have for Your Digital Security ๐Ÿ”](https://blog.raphaelcarlosr.dev/two-factor-authentication-why-totp-is-a-must-have-for-your-digital-security?utm_source=hashnode&utm_medium=feed) In today's world, digital security is more important than ever. With more and more of our personal and financial information stored online, protecting that information has become a top priority. Two-Factor Authentication (2FA) is an essential tool fo... 3 min read ยท [blog.raphaelcarlosr.dev](https://blog.raphaelcarlosr.dev/two-factor-authentication-why-totp-is-a-must-have-for-your-digital-security?utm_source=hashnode&utm_medium=feed) [Mar 10, 2023](https://hashnode.com/posts/two-factor-authentication-why-totp-is-a-must-have-for-your-digital-security/640af4ffe3de6419e7485522) ### [๐Ÿณ Setting Up a Local Kubernetes Cluster with K3s and Traefik Proxy ๐Ÿ”’](https://blog.raphaelcarlosr.dev/setting-up-a-local-kubernetes-cluster-with-k3s-and-traefik-proxy?utm_source=hashnode&utm_medium=feed) Kubernetes has become the standard for managing containerized applications, but setting up a development environment can be complex. However, with K3s and Traefik Proxy, it's possible to create a local Kubernetes cluster quickly and easily. ๐Ÿง‘โ€๐Ÿ’ป Set... 2 min read ยท [blog.raphaelcarlosr.dev](https://blog.raphaelcarlosr.dev/setting-up-a-local-kubernetes-cluster-with-k3s-and-traefik-proxy?utm_source=hashnode&utm_medium=feed) [Mar 9, 2023](https://hashnode.com/posts/setting-up-a-local-kubernetes-cluster-with-k3s-and-traefik-proxy/6409aa4b6b5ccef6ff20f24e) ### [๐Ÿš€ Migrating MongoDB Replica Set between Kubernetes Clusters with Zero Downtime](https://blog.raphaelcarlosr.dev/migrating-mongodb-replica-set-between-kubernetes-clusters-with-zero-downtime?utm_source=hashnode&utm_medium=feed) Are you planning to migrate your MongoDB replica set between Kubernetes clusters with zero downtime? This can be a challenging task, but with the right approach and tools, it's possible to achieve a seamless migration. ๐Ÿ’ก Here are some tips to help y... 3 min read ยท [blog.raphaelcarlosr.dev](https://blog.raphaelcarlosr.dev/migrating-mongodb-replica-set-between-kubernetes-clusters-with-zero-downtime?utm_source=hashnode&utm_medium=feed) [Mar 8, 2023](https://hashnode.com/posts/migrating-mongodb-replica-set-between-kubernetes-clusters-with-zero-downtime/6408532abdde4ade71258d03)