Note: This article was translated with the assistance of AI. I wrote the original in Chinese. If you can read Chinese, you are welcome to read the original Chinese version for the most authentic and unfiltered expression.

Source
Some of the mentioned ports include:

  • 1080: SOCK Proxy
  • 2049: Network File System (NFS)
  • 2181: Apache ZooKeeper
  • 2375: Docker REST API (HTTP)
  • 2376: Docker REST API (HTTPS)
  • 3000: Development Framework Port (used by Ruby on Rails, Node frameworks, etc.)
  • 3306: MySQL
  • 3478: STUN, TURN (NAT Traversal)
  • 4000: Phoenix, Jekyll
  • 4001: etcd
  • 4200: AngularJS
  • 4567: Sinatra
  • 5000: Other Development Framework Port (used by Flask, ASP.NET Core, etc.)
  • 5222: XMPP (Extensible Messaging and Presence Protocol)
  • 5349: STUN, TURN over TLS
  • 5353: Multicast DNS
  • 5432: PostgreSQL
  • 5900: VNC (using a remote frame buffer, RFB)
  • 6000: X11 (over the network)
  • 6379: Redis
  • 6660: IRC (Internet Relay Chat)
  • 6881: BitTorrent
  • 8000: Python Development Framework Port (used by Django, Python 3’s http.server, etc.)
  • 8080: HTTP web server port
  • 8333: Bitcoin
  • 8888: Jupyter Notebook
  • 8983: Apache Solr
  • 9000: Used by various applications
  • 25565: Minecraft
  • 27017: MongoDB
  • 51820: WireGuard