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re: msmsgs.exe Port 1900
Tuesday, May 25, 2004 at 3:00 am Windows XP Annoyances Discussion Forum
Posted by BOLO
(2 messages posted)
if u are using google toolbar or something similar then the the windows messenger
service will be running all the time. (even if it is uninstalled) goto the IE section
of the registry and under explorer bars u will see the mention of msmsgs.exe...kill
it and u will never see it again unless u launch it. kill all other mentions of that
file in the registry as well or use a registry tool.
On Saturday, September 20, 2003 at 4:44 am, DDK wrote:
>
>is-it-true.org/nt/xp/registry/rtips18.shtml
>
>In XP, the Simple Service Discovery Protocol (SSDP) discovery service searches for
>Universal Plug and Play devices on your home network. SSDP searches for upstream
>Internet gateways using UDP port 1900 - a potential security risk many organizations
>will want to block. OK, you decide to block SSDP services but to your surprise,
your
>firewall and network sniffers continue to see the UDP port 1900 packets. You have
>disabled XP's SSDP and even Universal Plug and Play Device Host. Whats going on?
>This is Universal Plug and Play Network Address Translation (NAT) traversal discovery
>used by Messenger. If you run a sniffer trace, the following information is displayed
>in the data section of the packet:
>
>SSDP: Method = M-SEARCH
>SSDP: Uniform Resource Identifier = *
>SSDP: HTTP Protocol Version = HTTP/1.1
>SSDP: Host = 239.255.255.250:1900
>SSDP: Search Target = urn:schemas-upnp-org:device:InternetGatewayDevice:1
>SSDP: Mandatory Extension = "ssdp:discover"
>SSDP: Maximum Wait = 3
>XP's Windows Messenger is attempting to communicate to an Internet host. To block
>Windows Messenger's broadcasts:
>
>Hive: HKEY_LOCAL_MACHINE
>Key: Software\Microsoft\DirectPlayNATHelp\DPNHUPnP
>Name: UPnPMode
>Type: REG_DWORD
>Value: 2 disabled
>With UPnPMode=2, Universal Plug and Play Network Address Translation (NAT) traversal
>discovery does not occur.
>__________________
>It Works
>
>
- Written in response to:
- re: msmsgs.exe Port 1900 (DDK: Saturday, September 20, 2003 at 4:44 am)
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