🔌 Protocols & Standard Ports for DevOps
Essential Protocols & Ports Every DevOps Engineer Should Know 🚀
Table of contents
- 🌐 Commonly Used Protocols, Their Standard Ports And DevOps Relevance Are,
- 1️⃣ HTTP (Hypertext Transfer Protocol) – Standard Port 80
- 2️⃣ HTTPS (Hypertext Transfer Protocol Secure) – Standard Port 443
- 3️⃣ FTP (File Transfer Protocol) – Standard Port 21
- 4️⃣ SFTP (Secure File Transfer Protocol) – Standard Port 22
- 5️⃣ SSH (Secure Shell Protocol) – Standard Port 22
- 6️⃣ DNS (Domain Name System) – Standard Port 53
- 7️⃣ SMTP (Simple Mail Transfer Protocol) – Standard Port 25
- 8️⃣ POP3 (Post Office Protocol v3) – Port 110 & IMAP (Internet Message Access Protocol) – Standard Port 143
- 9️⃣ RDP (Remote Desktop Protocol) – Standard Port 3389
- 🔟 MySQL Database Protocol – Ports 3306 & 3309
- 🛠 Why Do These Protocols Matter in DevOps?
Understanding network protocols and standard port numbers is critical for DevOps automation, deployment, and troubleshooting. Let's look at the most often used protocols and their role in DevOps workflows.🚀
🌐 Commonly Used Protocols, Their Standard Ports And DevOps Relevance Are,
1️⃣ HTTP (Hypertext Transfer Protocol) – Standard Port 80
📌 Used for: Web communication & APIs
📌 DevOps Relevance: Monitoring web applications, API testing (e.g., REST, GraphQL)
2️⃣ HTTPS (Hypertext Transfer Protocol Secure) – Standard Port 443
📌 Used for: Secure web browsing & encrypted communication
📌 DevOps Relevance: SSL/TLS security, securing web services & APIs
3️⃣ FTP (File Transfer Protocol) – Standard Port 21
📌 Used for: Transferring files between servers
📌 DevOps Relevance: Automating deployments, managing server files
4️⃣ SFTP (Secure File Transfer Protocol) – Standard Port 22
📌 Used for: Secure file transfers over SSH
📌 DevOps Relevance: Secure deployment of configuration files & backups
5️⃣ SSH (Secure Shell Protocol) – Standard Port 22
📌 Used for: Remote server access & secure communication
📌 DevOps Relevance: Automating infrastructure (Ansible, Terraform), managing remote servers
6️⃣ DNS (Domain Name System) – Standard Port 53
📌 Used for: Resolving domain names to IP addresses
📌 DevOps Relevance: Managing DNS records for cloud & microservices
7️⃣ SMTP (Simple Mail Transfer Protocol) – Standard Port 25
📌 Used for: Sending emails
📌 DevOps Relevance: Setting up email alerts for monitoring tools (e.g., Prometheus, Grafana)
8️⃣ POP3 (Post Office Protocol v3) – Port 110 & IMAP (Internet Message Access Protocol) – Standard Port 143
📌 Used for: Retrieving emails from mail servers
📌 DevOps Relevance: Automating email notifications for CI/CD alerts
9️⃣ RDP (Remote Desktop Protocol) – Standard Port 3389
📌 Used for: Remote desktop access (Windows)
📌 DevOps Relevane: Managing Windows-based infrastructure
🔟 MySQL Database Protocol – Ports 3306 & 3309
📌 Used for: Database communication
📌 DevOps Relevance: Automating database deployments & backups
🛠 Why Do These Protocols Matter in DevOps?
✔ Automation & CI/CD Pipelines – Securely transferring files, managing deployments, and accessing remote servers. ⚙️
✔ Infrastructure as Code (IaC) – Automating cloud infrastructure with secure protocols like SSH🌍
✔ Monitoring & Logging – Using protocols like SMTP for alerts, and HTTP for API monitoring. 📊
✔ Security & Compliance – Ensuring encrypted communication with HTTPS, SSH, and secure DNS. 🔒