| 3306 | MySQL Database |
| 5432 | PostgreSQL Database |
| 3389 | Remote Desktop Protocol (RDP) |
| 27017 | MongoDB Database |
| 1521 | Oracle Database |
| 2049 | Network File System (NFS) |
| 2082 | cPanel Default |
| 2083 | cPanel Default SSL |
| 2375 | Docker REST API (Plain) |
| 2376 | Docker REST API (SSL) |
| 2377 | Docker Swarm Cluster Management |
| 3000 | Ruby on Rails, Meteor, Create React App, Grafana |
| 3306 | MySQL Database System |
| 3478 | Microsoft Teams (Unofficial) |
| 4200 | Angular App |
| 4664 | Google Desktop Search |
| 5000 | ASP.NET Core, Flask, Heroku Console, Docker Registry |
| 5432 | PostgreSQL Database System |
| 5601 | Kibana |
| 5693 | Nagios Cross Platform Agent |
| 5984 | CouchDB Database Server |
| 6379 | Redis Key-Value Data Store |
| 6443 | Kubernetes API Server |
| 7946 | Docker Swarm Communication among Nodes |
| 7990 | Atlassian Bitbucket |
| 8000 | DynamoDB Local, Django Development Webserver |
| 8000 | Python 3 http.server |
| 8005 | Tomcat Remote Shutdown |
| 8080 | Apache Tomcat, Atlassian JIRA Applications |
| 8139 | Puppet Software Client Agent |
| 8140 | Puppet Software Master Server |
| 8333 | Bitcoin |
| 8443 | Apache Tomcat SSL |
| 9000 | SonarQube Web Server, Hadoop NameNode |
| 9090 | Prometheus Metrics Server |
| 9200 | Elasticsearch |
| 9418 | Git, Git Pack Transfer Service |
