www.BlackViper.com: Windows 7 Services 411 - Windows Firewall

Windows Firewall

Default Description:

Windows Firewall helps protect your computer by preventing unauthorized users from gaining access to your computer through the Internet or a network.

Additional Information:

If you use an external hardware firewall/gateway/router between your computer and the internet, do not use IPsec (VPN tunneling, etc) and Internet Connection Sharing (ICS), then this service and the following group of services can be disabled:

• Base Filtering Engine
• IKE and AuthIPsec Keying Modules
• Internet Connection Sharing (ICS)
• IPsec Policy Agent
• Routing and Remote Access
• Windows Firewall

I highly recommend that you do not disable the Windows Firewall unless you use a different software firewall or external hardware solution, but the services listed above are all involved with each other.

Certain applications could also fail during the install process. The reason could be that many applications like to "open up ports" on the Windows Firewall for communication to the internet (activation, phone home, updates, etc) and they do that at installation. If the Windows Firewall is disabled, those exceptions cannot be done and the installer fails. These situations should be reported to the particular software developers as a problem with "assuming" every computer is configured the same.

Additional Reading:

• ICS: http://en.wikipedia.org/wiki/Internet_Connection_Sharing
• IKE: http://en.wikipedia.org/wiki/IKE
• IPsec: http://en.wikipedia.org/wiki/IPsec
• VPN: http://en.wikipedia.org/wiki/Virtual_private_network

Discussion Topic Link:

Windows 7 Services Forum

Defaults Startup Type:

Windows 7 Starter: Automatic (Started)
Windows 7 Home Basic: Automatic (Started)
Windows 7 Home Premium: Automatic (Started)
Windows 7 Professional: Automatic (Started)
Windows 7 Ultimate: Automatic (Started)
Windows 7 Enterprise: Automatic (Started)

Other Settings:

Safe Setting: Automatic

Service Names:

Service Name (registry): MpsSvc

Display Name: Windows Firewall

Default Path and Command Line Options:

C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork

Log On As:

Account: Local Service

Dependencies:

What service Windows Firewall needs to function properly:

• Base Filtering Engine (S, HB, HP, P, U, E)
  • Remote Procedure Call (RPC) (S, HB, HP, P, U, E)
    • DCOM Server Process Launcher (S, HB, HP, P, U, E)
    • RPC Endpoint Mapper (S, HB, HP, P, U, E)
• Windows Firewall Authorization Driver (S, HB, HP, P, U, E)

What other service require Windows Firewall to function properly:

• None (S, HB, HP, P, U, E)

Registry Settings (.reg):

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\MpsSvc]
"DisplayName"="@%SystemRoot%\\system32\\FirewallAPI.dll,-23090"
"Group"="NetworkProvider"
"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\
00,76,00,63,00,68,00,6f,00,73,00,74,00,2e,00,65,00,78,00,65,00,20,00,2d,00,\
6b,00,20,00,4c,00,6f,00,63,00,61,00,6c,00,53,00,65,00,72,00,76,00,69,00,63,\
00,65,00,4e,00,6f,00,4e,00,65,00,74,00,77,00,6f,00,72,00,6b,00,00,00
"Description"="@%SystemRoot%\\system32\\FirewallAPI.dll,-23091"
"ObjectName"="NT Authority\\LocalService"
"ErrorControl"=dword:00000001
"Start"=dword:00000002
"Type"=dword:00000020
"DependOnService"=hex(7):6d,00,70,00,73,00,64,00,72,00,76,00,00,00,62,00,66,00,\
65,00,00,00,00,00
"ServiceSidType"=dword:00000003
"RequiredPrivileges"=hex(7):53,00,65,00,41,00,73,00,73,00,69,00,67,00,6e,00,50,\
00,72,00,69,00,6d,00,61,00,72,00,79,00,54,00,6f,00,6b,00,65,00,6e,00,50,00,\
72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,41,00,75,\
00,64,00,69,00,74,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,\
00,00,53,00,65,00,43,00,68,00,61,00,6e,00,67,00,65,00,4e,00,6f,00,74,00,69,\
00,66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,\
53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00,47,00,6c,00,6f,00,62,00,61,\
00,6c,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,\
65,00,49,00,6d,00,70,00,65,00,72,00,73,00,6f,00,6e,00,61,00,74,00,65,00,50,\
00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,\
6e,00,63,00,72,00,65,00,61,00,73,00,65,00,51,00,75,00,6f,00,74,00,61,00,50,\
00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,00,00
"FailureActions"=hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\
00,01,00,00,00,c0,d4,01,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\MpsSvc\Parameters]
"ServiceDll"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,\
00,74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,\
6d,00,70,00,73,00,73,00,76,00,63,00,2e,00,64,00,6c,00,6c,00,00,00
"ServiceDllUnloadOnStop"=dword:00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\MpsSvc\Parameters\PortKeywords]

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\MpsSvc\Security]
"Security"=hex:01,00,14,80,b4,00,00,00,c0,00,00,00,14,00,00,00,30,00,00,00,02,\
00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,00,00,01,00,00,\
00,00,02,00,84,00,05,00,00,00,00,00,14,00,fd,01,02,00,01,01,00,00,00,00,00,\
05,12,00,00,00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,\
20,02,00,00,00,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,05,04,00,00,00,00,\
00,14,00,8d,01,02,00,01,01,00,00,00,00,00,05,06,00,00,00,00,00,28,00,15,00,\
00,00,01,06,00,00,00,00,00,05,50,00,00,00,49,59,9d,77,91,56,e5,55,dc,f4,e2,\
0e,a7,8b,eb,ca,7b,42,13,56,01,01,00,00,00,00,00,05,12,00,00,00,01,01,00,00,\
00,00,00,05,12,00,00,00