Leave the Firewall Type as is, which means the inbound traffic will be passed to the statically defined back end server address and port.

在Firewall Type中保留原来的值，这意味着入站信息将被传递到静态定义的后端服务器地址和端口。

youdao

Working out of offices at Greylock and Sequoia, he came back with the next-generation firewall.

FORBES: Nir Zuk's Palo Alto Networks Is Blowing Up Internet Security

Often the firewall will break some existing process, requiring the ability to quickly investigate recent changes, back off those changes and fix what ever caused the disruption.

FORBES: Reduce Policy Complications to Enhance Security