UDPAllowedPorts
HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\ interface-name
Data type |
Range |
|---|---|
REG_DWORD |
0 |
Description
Specifies the UDP ports on which incoming IP datagrams are accepted on this interface when security filtering is enabled. Security filtering is enabled when the value of the EnableSecurityFilters entry is 1.
Value |
Meaning |
|---|---|
(Blank—the entry appears in the registry, but the value field contains no data) |
No datagrams are accepted. |
0 (or not in the registry) |
All datagrams are accepted. |
Specific IP protocol numbers |
Only datagrams arriving on these ports are accepted. |
Change method
To change the value of this entry, use Network and Dial-up Connections. Right-click Local Area Connection, click Properties, click Internet Protocol (TCP/IP), and then click the Properties button. On the Internet Protocol (TCP/IP) Properties page, click the Advanced button, click the Options tab, click TCP/IP filtering, click Properties and then, just above the UDP Ports box, click Permit Only. This entry is associated with the values added to the UDP Ports list on this page.
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Note
There is no defined or predictable response when the value of this entry includes a zero together with IP protocol numbers. Do not combine these values in this entry.
Related Entries
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