Development servers ports
Overview
Development servers are meant for localhost. The most common mistake is binding them to 0.0.0.0 and exposing an unauthenticated preview or admin UI to the whole network.
Ports in this category13
Range coveredAll registry ranges
All Development servers port numbers
Every port below is assigned to this category in the registry or by a widely used convention. Open a port for its check and block commands, risk rating and troubleshooting notes.
| Port | Service | Transport | Risk | Description |
|---|---|---|---|---|
| 1459 | PROSHARE1 | TCP / UDP | Standard/Low | Proshare Notebook Application |
| 1460 | PROSHARE2 | TCP / UDP | Standard/Low | Proshare Notebook Application |
| 3000 | NODE.JS / REACT | TCP / UDP | Medium | RemoteWare Client |
| 3720 | UFASTRO-INSTR | TCP / UDP | Standard/Low | UF Astro. Instr. Services |
| 4000 | PHOENIX / DEV SERVER | TCP / UDP | Medium | Terabase |
| 4200 | ANGULAR CLI | TCP | Medium | Default development server port for Angular CLI projects |
| 4321 | ASTRO | TCP / UDP | Medium | Remote Who Is |
| 5000 | FLASK / DEV SERVER | TCP / UDP | Medium | Development servers |
| 5173 | VITE | TCP | Medium | Default development server and hot-reload port for Vite |
| 8000 | PYTHON HTTP SERVER | TCP / UDP | Standard/Low | iRDMI |
| 8888 | JUPYTER | TCP / UDP | High | NewsEDGE server TCP (TCP 1) |
| 27876 | ASTROLINK | TCP | Standard/Low | Astrolink Protocol |
| 32635 | SEC-NTB-CLNT | TCP / UDP | Standard/Low | SecureNotebook-CLNT |
Other categories
Authentication and access 19Caching and in-memory stores 10Containers and orchestration 10DNS and naming 10Databases 54Directory services 14Email 26File transfer and sharing 27Gaming 6Infrastructure and administration 30IoT and device telemetry 7Message queues and streaming 17Monitoring and metrics 29Networking and proxies 31Printing 19RPC and service APIs 14Remote access 29Time synchronization 10VPN and tunnelling 10Voice and real-time media 29Web and HTTP 62Windows networking 14
Primary data: IANA Service Name and Transport Protocol Port Number Registry, plus clearly marked community conventions.
Last reviewed 2026-10-30 · Methodology · About · Privacy