Windows Media Player 11 SDK Firewall Port Registry Settings
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Firewall Port Registry Settings
Windows Media Player places entries in the registry so that firewalls can determine whether to open or close the ports that are used by media library sharing.
AcceptedEULA Registry Entry
Windows Media Player uses the following registry entry to indicate whether the user has accepted the end user license agreement (EULA).
[HKEY_LOCAL_MACHINE\Software\Microsoft\MediaPlayer\Preferences] "" = dword:value
A value of 1 indicates that the user has accepted the license agreement. A value of 0 indicates that the user has not accepted the license agreement.
WMPNSSFirewallPortsOpen Registry Entry
Windows Media Player uses the following registry entry to indicate whether the user has chosen to share his or her media library with other computers on a home network.
[HKEY_LOCAL_MACHINE\Software\Microsoft\MediaPlayer\Preferences] "" = dword:value
A value of 1 indicates that the user has chosen to share the library. A value of 0 indicates that the user has chosen not to share the library.
Ports Related to Media Library Sharing
On Windows Vista, if the WMPNSSFirewallPortsOpen registry entry has a value of 1, the following ports should be open.
| Port | Protocol | Process | Direction |
| 554 | TCP RTSP | wmpnetwk.exe | inbound and outbound |
| 8554 - 8558 | TCP RTSP | wmpnetwk.exe | inbound and outbound |
| 5004, 5005 | UDP RTCP/RTP | wmpnetwk.exe | inbound and outbound |
| 50004 - 50013 | UDP RTCP/RTP | wmpnetwk.exe | inbound and outbound |
| 1900 | UDP SSDP | SSDPsrv in svchost.exe | inbound and outbound |
| 2869 | TCP SSDP, UPnP | SSDPsrv/UPnPHost in svchost.exe | inbound |
| 10280 - 10284 | UDP WMDRM-ND registration | wmpnetwk.exe | inbound and outbound |
| 10243 | TCP HTTP | wmpnetwk.exe | inbound |
| 2177 | TCP UDP qWAVE | svchost.exe | inbound and outbound |
On Windows Vista, if the AcceptedEULA registry entry has a value of 1, the following ports should be open.
| Port | Protocol | Process | Direction |
| All UDP ports | UDP RTP, MSB | wmplayer.exe, any subnet | inbound |
| 1900 | UDP SSDP | SSDPsrv/UPnPHost in svchost.exe | inbound and outbound |
| 2869 | TCP SSDP, UPnP | SSDPsrv, UPnPHost | inbound |
On Microsoft Windows XP, if the WMPNSSFirewallPortsOpen registry entry has a value of 1, the following ports should be open.
| Port | Protocol | Process | Direction |
| 1900 | UDP SSDP | SSDPsrv in svchost.exe | inbound and outbound |
| 2869 | TCP SSDP, UPnP | SSDPsrv/UPnPHost in svchost.exe | inbound |
| 10280 - 10284 | UDP WMDRM-ND registration | wmpnetwk.exe | inbound and outbound |
| 10243 | TCP HTTP | wmpnetwk.exe | inbound |
See Also
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