---
title: "Discussion on \"🔌 15 Most Common Protocols & Ports Every DevOps Engineer Should Know\" | Hashnode"
description: "Discussion on \"🔌 15 Most Common Protocols & Ports Every DevOps Engineer Should Know\". Because if your service isn’t listening on the right port, is it even alive?\n\nOne of the first things I had to figure out as I got deeper into DevOps was this:\n\nWhat protocols run where, and why does every tool ask about ports?!\n\nSo I made a cheat sh..."
url: "https://hashnode.com/posts/15-most-common-protocols-and-ports-every-devops-engineer-should-know/6874aa4a4fd56e953c62361a"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [🔌 15 Most Common Protocols & Ports Every DevOps Engineer Should Know](https://devnetworking.hashnode.dev/15-most-common-protocols-and-ports-every-devops-engineer-should-know?utm_source=hashnode&utm_medium=feed)

Because if your service isn’t listening on the right port, is it even alive? One of the first things I had to figure out as I got deeper into DevOps was this: What protocols run where, and why does every tool ask about ports?! So I made a cheat sh...

Jul 14, 2025 · 4 min read · devnetworking.hashnode.dev  
Read the article

-   [#devops](https://hashnode.com/tag/devops)
-   [#networking](https://hashnode.com/tag/networking)
-   [#ports](https://hashnode.com/tag/ports)
-   [#protocols](https://hashnode.com/tag/protocols)
-   [#cloud](https://hashnode.com/tag/cloud)
-   [#ssh](https://hashnode.com/tag/ssh)
-   [#databases](https://hashnode.com/tag/databases)
-   [#kubernetes](https://hashnode.com/tag/kubernetes)

## Written by

[Abhishek Negi](https://hashnode.com/@console-abhishek)

@console-abhishek

  
[View profile](https://hashnode.com/@console-abhishek)

## Responses

Markdown supported · ⌘↵ to post

No responses yet.