If you need your server's firewall rules to be different than the firewall rules configured by SellCloud, you can customize your server's firewall.
Using a Firewall Management Service
The safest way to customize your firewall is to use a firewall management service such as HeatShield. You can then log in to HeatShield to manage the firewall on all of your servers without needing to make any customizations from the command line.
HeatShield will not cause any conflicts with SellCloud. Therefore, it's safe to use HeatShield on a server.
Once you install HeatShield, SellCloud will no longer attempt any firewall management on your server and will ignore any attempt to turn your firewall on or off in your server's Settings in your Control panel. Instead, if you've installed HeatShield, you should log in to HeatShield to manage your server's firewall.
Manually Customizing Your Firewall
You should only attempt manual firewall customization if you're an experienced sysadmin.
If you are experienced with server administration and firewall management, you can use any tool you prefer to manage your server's iptables firewall.
If you need to manually customize the firewall on your server, you should first disable SellCloud's management of your server's firewall. To do this, disable firewall on your server by going to settings tab, click disable firewall button and save it.
If you don't disable SellCloud's management of your firewall, your customizations may be lost.
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