Event Details
Operating System->Microsoft Windows->Built-in logs->Windows 2000-2003->Security Log->Policy Change->EventID 855 - A Windows Firewall ICMP setting has changed [Win 2003 / XP]
EventID 855 - A Windows Firewall ICMP setting has changed [Win 2003 / XP]
This event indicates that a change was successfully made to the ICMP setting of the Windows Firewall. The change was made either through the local policy or via a group policy propagation.

Find more information about this event on ultimatewindowssecurity.com.

Corresponding events on other OS versions:

Windows 2008

Event Type:     Success Audit
Event Source:   Security
Event Category: Policy Change
Event ID:       855
Date:           12/16/2009
Time:           06:52:05
Computer:       DC1
A Windows Firewall ICMP setting has changed.

Policy origin: Local Policy
Profile changed: Standard
Interface: All interfaces
New Setting:
     Allow incoming echo request: Enabled
Old Setting:
     Allow incoming echo request: Disabled
Log Type: Windows Event Log
 Uniquely Identified By:
Log Name: Security
Filtering Field Equals to Value
OSVersion Windows 2003
Windows XP
Category Policy Change
Source Security
EventId 855
Field Matching
FieldDescriptionStored inSample Value
DateTime Date/Time of event origination in GMT format. DateTime 10.10.2000 19:00:00
Source Name of an Application or System Service originating the event. Source Security
Type Warning, Information, Error, Success, Failure, etc. Type Success
User Domain\Account name of user/service/computer initiating event. User RESEARCH\Alebovsky
Computer Name of server workstation where event was logged. Computer DC1
EventID Numerical ID of event. Unique within one Event Source. EventId 576
Description The entire unparsed event message. Description Special privileges assigned to new logon.
Log Name The name of the event log (e.g. Application, Security, System, etc.) LogName Security
Category A name for a subclass of events within the same Event Source. Category Logon/Logoff
Policy origin Indicates whether Windows Firewall was getting its settings from Group Policy or the system's local policy. InsertionString1 Local Policy
Profile changed Standard or Domain. Domain profile is applied when the computer is on its "home" network, Standard profile is applied when the computer is not connected to its "home" network, e.g. out travelling and connected to public internet via Wi-Fi. InsertionString2 Standard
Interface Displays Network Interface Cards this firewall setting is configured for. InsertionString3 All interfaces
ICMP setting name The name of the ICMP setting changed InsertionString4 Allow incoming echo request
New ICMP setting New value for the ICMP setting: Enabled or Disabled InsertionString5 Enabled
Old ICMP setting Old value for the ICMP setting: Enabled or Disabled InsertionString6 Disabled
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