Firewall port summary
This section lists a summary of the port numbers that are used for various devices for communication purposes. Ports that you can customize according to your requirements are listed in bold and italics, for example, 1433 and 1521. For more information, see other references in the Security section.
The following table lists the ports that might be used in scanning.
Port | Port assignment | Direction | Use | Reference |
---|---|---|---|---|
4 | Closed Port | Outbound | Base Device Detection | |
21 | FTP | Outbound | Base Device Detection | |
22 | SSH | Outbound | UNIX Discovery | |
23 | telnet | Outbound | UNIX Discovery | |
80 | HTTP | Outbound | Base Device Detection | |
135 | DCE RPC Endpoint Manager | Outbound | Windows Discovery | |
139 | Netbios Session Service | Outbound | Windows Discovery | |
161 | SNMP | Outbound | SNMP Discovery | |
443 | HTTPS | Outbound | vCenter discovery | |
445 | Microsoft Directory Services SMB | Outbound | Windows Discovery | |
513 | rlogin | Outbound | UNIX Discovery | |
902 | vSphere API | Outbound | VMware ESX/ESXi Discovery | |
1433 | MS SQL | Outbound | MS SQL Extended Discovery | |
1521 | Oracle SQL | Outbound | Oracle SQL Extended Discovery | |
3306 | MySQL SQL | Outbound | MySQL SQL Extended Discovery | |
3940 | Discovery for z/OS Agent | Outbound | Mainframe Discovery | |
4100 | Sybase SQL | Outbound | Sybase ASE SQL Extended Discovery | |
5985 | HTTP | Outbound | PowerShell HTTP | |
5986 | HTTPS | Outbound | PowerShell HTTPS | |
5988 | HTTP | Outbound | WBEM Discovery | |
5989 | HTTPS | Outbound | WBEM Discovery | |
49152-65535 | DCOM | Outbound | Windows Discovery |
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