XP Firewall Domain Profile – ICMP Exceptions

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17391	5.403	SV-18447r1_rule	ECSC-1	Medium

Description
Only Inbound ICMP echo requests will be allowed when connected to the domain.

STIG	Date
Windows XP Security Technical Implementation Guide	2012-06-29

Details

Check Text ( C-18098r1_chk )
If the following registry values don’t exist or are not configured as specified, then this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile\IcmpSettings\ Type: REG_DWORD (for all) Value Name: AllowInboundEchoRequest Value: 1 Value Name: AllowInboundMaskRequest Value: 0 Value Name: AllowInboundRouterRequest Value: 0 Value Name: AllowInboundTimestampRequest Value: 0 Value Name: AllowOutboundDestinationUnreachable Value: 0 Value Name: AllowOutboundPacketTooBig Value: 0 Value Name: AllowOutboundParameterProblem Value: 0 Value Name: AllowOutboundSourceQuench Value: 0 Value Name: AllowOutboundTimeExceeded Value: 0 Value Name: AllowRedirect Value: 0 Note: If a 3rd party firewall is used, document this with the IAO and mark the Windows Firewall settings as Not Applicable. The Desktop/Secure Remote Computing STIGs contain additional requirements for systems used remotely. The XP Firewall does not meet the requirements for personal firewalls from the Desktop/Secure Remote Computing STIGs. Note: If the system in not a member of a Domain, the Domain Profile requirements can be marked Not Applicable.

Check Text ( C-18098r1_chk )

If the following registry values don’t exist or are not configured as specified, then this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Subkey: SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile\IcmpSettings\

Type: REG_DWORD (for all)

Value Name: AllowInboundEchoRequest
Value: 1

Value Name: AllowInboundMaskRequest
Value: 0

Value Name: AllowInboundRouterRequest
Value: 0

Value Name: AllowInboundTimestampRequest
Value: 0

Value Name: AllowOutboundDestinationUnreachable
Value: 0

Value Name: AllowOutboundPacketTooBig
Value: 0

Value Name: AllowOutboundParameterProblem
Value: 0

Value Name: AllowOutboundSourceQuench
Value: 0

Value Name: AllowOutboundTimeExceeded
Value: 0

Value Name: AllowRedirect
Value: 0

Note: If a 3rd party firewall is used, document this with the IAO and mark the Windows Firewall settings as Not Applicable. The Desktop/Secure Remote Computing STIGs contain additional requirements for systems used remotely. The XP Firewall does not meet the requirements for personal firewalls from the Desktop/Secure Remote Computing STIGs.

Note: If the system in not a member of a Domain, the Domain Profile requirements can be marked Not Applicable.

Fix Text (F-17295r1_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Network Connections -> Windows Firewall -> Domain Profile “Windows Firewall: Allow ICMP exceptions” to “Enabled” with the following parameter checked “Allow inbound echo request”