 Windows Security Log Event ID 851
        Windows Security Log Event ID 851
        
        
        
         
        
    
    
    
        
	
		| Operating Systems | Windows 2003 and XP 
 | 
		| Category | Policy Change | 
		| Type | Success 
 | 
		| Corresponding events in Windows
                    2008
 and Vista
 | 4946
                        
                            ,
                        
                            
                                4947
                        
                            ,
                        
                            
                                4948 | 
     
    
        851: A change has been made to the Windows Firewall application exception list
    
    
    
        On this page
    
    
    Windows logs this event when an administrator changes the local policy  of the Windows Firewall or a group policy refresh results in a change to  the effective Windows Firewall policy - specifically exception rules  that allow traffic for specific applications.
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    - Policy origin: Group Policy, or Local Policy
- Profile changed: Standard or Domain
- Change type: Add/Remove/Modify
New Settings: 
 
    - Name: Name of the application
- Path: Full path to the application
- State: Enabled or Disabled
- Scope: IP address or subnet mask to which the rule applies. Could also be "All subnets", "Local subnet".
Old Settings:
    - Name: Name of the application
- Path: Full path to the application
- State: Enabled or Disabled
- Scope: IP address or subnet mask to which the rule applies. Could also be "All subnets", "Local subnet".
 
        
            
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        A change has been made to the Windows Firewall application exception list
Policy origin: Local Policy 
Profile changed: Standard 
Change type: Modify 
New Settings: 
     Name: Internet Explorer 
     Path: C:\Program Files\Internet Explorer\iexplore.exe 
     State: Enabled 
     Scope: Local subnet only 
Old Settings: 
     Name: Internet Explorer 
     Path: C:\Program Files\Internet Explorer\iexplore.exe 
     State: Enabled 
     Scope: All subnets
        
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