To allow CardExchange to communicate through Windows Firewall, you need to create an inbound firewall rule for the CardExchange Gateway application.
Follow the steps below to configure the rule.
Open Windows Defender Firewall with Advanced Security.
In the left panel, select Inbound Rules.
In the right panel, click New Rule...
Select Program as the rule type.
Click Next.
In the Program Path field, enter the following file path:
C:\Program Files (x86)\CardExchange Solutions\CardExchange Gateway\CardExchange.Gateway.exe
Click Next to continue.
Select Allow the connection.
Click Next.
Select all three network profiles:
Domain
Private
Public
Click Next to continue.
Enter the following name for the rule:
Allow CardExchange
Click Finish to save the rule.
After completing the steps, confirm that the Allow CardExchange rule appears in the Inbound Rules list and is enabled.
This configuration allows the specified CardExchange Gateway application through Windows Firewall for the selected network profiles.