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AZ-801 · Question #32

You have a server that runs Windows Server. The server is configured to encrypt all incoming traffic by using a connection security rule. You need to ensure that Server1 can respond to the…

The correct answer is D. From the IPsec Settings, configure IPsec exemptions. To allow unencrypted tracert commands while all other incoming traffic is encrypted by an IPsec connection security rule, you must configure an IPsec exemption for ICMPv4 traffic.

Secure Windows Server on-premises and hybrid infrastructures

Question

You have a server that runs Windows Server. The server is configured to encrypt all incoming traffic by using a connection security rule. You need to ensure that Server1 can respond to the unencrypted tracert commands initiated from computers on the same network. What should you do from Windows Defender Firewall with Advanced Security?

Exhibit

AZ-801 question #32 exhibit

Options

  • AFrom the IPsec Settings, configure IPsec defaults.
  • BCreate a new custom outbound rule that allows ICMPv4 protocol connections for all profiles.
  • CChange the Firewall state of the Private profile to Off.
  • DFrom the IPsec Settings, configure IPsec exemptions.

How the community answered

(26 responses)
  • A
    4% (1)
  • B
    15% (4)
  • C
    8% (2)
  • D
    73% (19)

Why each option

To allow unencrypted tracert commands while all other incoming traffic is encrypted by an IPsec connection security rule, you must configure an IPsec exemption for ICMPv4 traffic.

AFrom the IPsec Settings, configure IPsec defaults.

Configuring IPsec defaults establishes general behaviors for IPsec but does not provide specific exceptions for unencrypted traffic.

BCreate a new custom outbound rule that allows ICMPv4 protocol connections for all profiles.

Creating a new custom outbound rule for ICMPv4 traffic addresses the server's ability to send ICMP replies but does not resolve the issue of *incoming* unencrypted tracert (ICMP echo requests) being dropped by the existing connection security rule.

CChange the Firewall state of the Private profile to Off.

Changing the Firewall state of the Private profile to Off disables firewall protection entirely for that profile, which is a significant security risk and not a targeted solution for allowing specific unencrypted traffic.

DFrom the IPsec Settings, configure IPsec exemptions.Correct

Configuring IPsec exemptions allows specific types of network traffic, such as ICMPv4 used by tracert, to bypass the IPsec connection security rule and be transmitted or received unencrypted. This ensures tracert commands from other computers can reach Server1 without being dropped due to the encryption requirement.

Concept tested: Windows Defender Firewall IPsec exemptions

Source: https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-firewall/create-ipsec-exemption-rules

Topics

#Windows Defender Firewall#IPsec#Network Security#ICMP

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