在internet连接去router之前加一个firewall以保护系

在internet连接去router之前加一个firewall以保护系统的安全，此外可以在modem添加加密设置以保护客户的资料。
建议

結果 (英文) 1:

In the Internet connection before going to the router and a firewall to protect the system's security, in addition you can add encryption settings for modem in order to protect customer information.Word of advice

結果 (英文) 2:

Plus a firewall before connecting to the internet router to protect the safety of the system, can also be provided in the modem add encryption to protect customer information.
Suggest

結果 (英文) 3:

Plus a firewall to protect the security of the system before the Internet connection to router, in addition to the modem to add encryption settings to protect the customer's information.proposal