To add Cutback-related IPs as firewall exceptions, follow these steps:
Open Control Panel > System and Security > Windows Defender Firewall.
Click Advanced settings on the left.
Select Inbound Rules, then click New Rule on the right.
Choose Custom, and apply it to All programs.
Set the protocol to TCP (no need to specify a port).
Under "Which remote IP addresses does this rule apply to?", choose "These IP addresses" and add the following one by one:
34.149.203.40
34.36.200.4
35.216.66.141
35.209.20.87
Click Next, then choose Allow the connection.
Check all profiles (Domain, Private, Public) and click Next.
Name the rule (e.g., Cutback Exception) and click Finish.