Protect Against ICMP Attacks

The named value in this section is under the registry key HKLM\System\CurrentControlSet\Services\AFD\Parameters

Value: EnableICMPRedirect

Recommended value data:

Valid values: 0 (disabled), 1 (enabled)

Description: Modifying this registry value to 0 prevents the creation of expensive host routes when an ICMP redirect packet is received.

Use the value summarized in Table 2 for maximum protection:

Table 2: Recommended Values

Value Name	Value (REG_DWORD)
EnableICMPRedirect