Copy the helpscout.net domain name below into the Plugin Firewall > Plugin Firewall Additional Whitelist Tools > Whitelist by Hostname (domain name) and IP Address text box > click the Save Hostname and IP Address Rules button.
helpscout.net
Manually add this Help Scout whitelist rule: /woocommerce-help-scout/allow-access.php in the Plugins Script|File Whitelist Text Area > click the Save Whitelist Options button > click the Activate button to activate the Plugin Firewall. Note: Plugin Firewall whitelist rules must be separated by a comma and a space.
Note: If you already have existing whitelist rules/htaccess code then you would add the helpscout.net domain htaccess code like this below.
helpscout.net, sucuri.net, 192.88.134.0/23, 185.93.228.0/22, 66.248.200.0/22, 2a02:fe80::/29, 208.109.0.0/22