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Port Detective Pro
Find, kill, and guard the processes on your ports
Every Windows developer knows the "port already in use" headache. Port Detective Pro is a fast, native-Rust app that shows you exactly which process owns any TCP/UDP port, lets you kill it in one safe click, and then guards your critical ports in the background so nothing hijacks them again.
Hey Product Hunt,
I'm the maker behind Port Detective Pro at Automata Labs.
This started from a problem every Windows dev has hit a hundred times. You go to start a local server and get `EADDRINUSE: address already in use :::3000`. Task Manager can't tell you what's holding the port, so you drop into PowerShell, run `netstat -ano`, eyeball a PID, run `taskkill`, and hope you grabbed the right one. Every single time it yanks you out of your flow.
I wanted a real, easy to use app for this — not a webpage in a wrapper. So Port Detective Pro is built entirely in Rust on the backend. It gives you live, zero-lag visibility into your whole TCP/UDP stack (IPv4 and IPv6), and it stays light — typically under 50 MB of RAM, even on multi-hour runs.
What it does:
- **Type a port, see what owns it** — name, PID, full path, connection state. Instant.
- **Kill it safely** — it re-checks a secure process token before acting, so you never terminate the wrong app even if Windows recycles the PID a half-second later.
- **Port Guard** — pin the ports you care about (3000, 8080, 1433…), close the window, and a native background daemon watches them every 250ms. If something hijacks one, you get a Windows notification, and you can set a rule to automatically kill the intruder and relaunch the right process.
- **Docker-aware** — maps a host port back to the container and image that published it.
- **Remote scans, connection history, per-port notes, a Ctrl+K command palette,** and copy-any-row-as-a-`netstat`/`taskkill`/PowerShell command.
A few things I care about and want to be upfront on:
- **It's Windows 10/11 only.** It's a native app using Windows networking APIs — no Mac/Linux build today (happy to talk demand in the comments).
- **One-time purchase, fully unlocked.** No subscription, no in-app upsells, no license server to babysit. It runs fully offline.
- **Private by design.** Core features make zero external network calls. The only outbound traffic is stuff you explicitly trigger (a remote scan, or the Docker CLI lookup).
It's live on the **Microsoft Store** now, and there's a launch discount running.
I'll be here all day — would genuinely love your feedback, feature requests, and the worst port conflict you've ever had to debug. Fire away. 🙏
About Port Detective Pro on Product Hunt
“Find, kill, and guard the processes on your ports”
Port Detective Pro was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #104 on the daily leaderboard. Every Windows developer knows the "port already in use" headache. Port Detective Pro is a fast, native-Rust app that shows you exactly which process owns any TCP/UDP port, lets you kill it in one safe click, and then guards your critical ports in the background so nothing hijacks them again.
On the analytics side, Port Detective Pro competes within Windows, Productivity and Developer Tools — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how Port Detective Pro performed against the three products that launched closest to it on the same day.
Who hunted Port Detective Pro?
Port Detective Pro was hunted by Garrett Hamilton. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Port Detective Pro including community comment highlights and product details, visit the product overview.
Garrett Hamilton