The below list includes the ports on all the popular Web and database servers.
| Port | Server |
| 66 | Oracle SQL*Net |
| 80 | Hyper Text Transfer Protocol (HTTP) |
| 81 | HTTP Proxy, Alternative HTTP Port, Cobalt Server Administration Port |
| 443 | Secure Socket Layer (SSL) |
| 445 | Microsoft SQL Server over NetBIOS |
| 457 | UnixWare/Netscape FastTrack Server |
| 1080 | SOCKS Proxy |
| 1100 | Oracle WebCache Listener |
| 1241 | KaZaA File Sharing Server (HTTP-like protocol) |
| 1352 | Lotus Domino (Notes) |
| 1433 | Microsoft SQL Server 2000 |
| 1434 | Microsoft SQL Server over TCP/IP Redirector |
| 1521–1530 | Oracle |
| 1944 | Microsoft SQL Server 7 |
| 2301 | Compaq Insight Manager, Compaq Survey Utility |
| 3128 | HTTP Proxy (Squid, NetCache, etc.) |
| 3306 | mySQL |
| 4000 | Oracle WebCache Listener |
| 4001 | Oracle WebCache Listener |
| 4002 | Oracle WebCache Listener |
| 4100 | Sybase 11.0 (jConnect) |
| 5000 | Sybase 12.x |
| 5432 | PostgreSQL |
| 5800 | VNC HTTP Console Port #1 |
| 5801 | VNC HTTP Console Port #2 |
| 5802 | VNC HTTP Console Port #3 |
| 6346 | Gnutella (HTTP-like protocol) |
| 6347 | Gnutella (HTTP-like protocol) |
| 7001 | BEA WebLogic |
| 7002 | BEA WebLogic |
| 8000 | HTTP Proxy, Alternative HTTP Port, HP Web JetAdmin Version 6.0 |
| 8001 | BEA WebLogic |
| 8005 | Apache Tomcat Administration Server (non-HTTP protocol) |
| 8080 | HTTP Proxy, Alternative HTTP Port |
| 8888 | HTTP Proxy, Alternative HTTP Port |
| 30821 | Netscape Enterprise Server Administration Server |
