常见软件端口

1080 — SOCK Proxy
2049 — Network File System (NFS)
2181 — Apache ZooKeeper
2375 — Docker REST API (HTTP)
2376 — Docker REST API (HTTPS)

3306 — MySQL
3478 — STUN, TURN (NAT Traversal)

4000 — Phoenix, Jekyll
4001 — etcd
4200 — AngularJS
4567 — Sinatra

5000 — “The Other Development Framework Port.” Flask (Python) uses 5000 as the default development port. As does ASP.NET Core.
5222 — XMPP (Extensible Messaging and Presence Protocol)
5349 — STUN, TURN over TLS
5353 — Multicast DNS — Follows the same pattern as SMTP, occasionally being run on port 3535. Duplicates the privileged port (DNS uses 53).
5432 — PostgreSQL
5900 — VNC (using a remote frame buffer, RFB)

6000 — X11 (over the network). Common to take the display number and add it to 6000 (e.g., DISPLAY 6 would be served over 6006).
6379 — Redis
6660 — IRC (Internet Relay Chat)
6881 — BitTorrent

8000 — “Python Development Framework Port.” Includes Django and Python 3’s http.server.
8080 — “The HTTP web server port.” Like 5353 (Multicast DNS) and 3535 (SMTP), an unprivileged port to run an HTTP webserver.
8333 — Bitcoin
8888 — Jupyter Notebook,
8983 — Apache Solr

9000 — Used by various applications, but no central theme or extremely well-known application.

25565 — Minecraft
27017 — MongoDB
51820 — WireGuard