1、 华为防火墙入门难？一文带你学会防火墙基础知识！

https://mp.weixin.qq.com/s/91t2K1okC7YV7btksL_EWA

2、 如何配置防火墙？看这篇就够了

https://blog.csdn.net/SPOTO2021/article/details/133681695

3、 华为USG下一代防火墙

https://mp.weixin.qq.com/mp/appmsgalbum?__biz=MzI1OTMxNTgxMg==&action=getalbum&album_id=1578594140282470403&token=201703797&lang=zh_CN&scene=21#wechat_redirect

4、 华为USG下一代防火墙多外网ISP配置（主备形式）

https://mp.weixin.qq.com/s?__biz=MzI1OTMxNTgxMg==&mid=2247511910&idx=3&sn=5bd1d0b1c7f07e10ca1d8c0b22ff15e3&chksm=ea782e6ddd0fa77b1ddaa1bb5b5322f23389c08a1f00fb359f14f621aef90e67a33cae5ae938&scene=178#rd

5、 华为USG下一代防火墙多外网ISP配置（ISP选路）

https://mp.weixin.qq.com/s?__biz=MzI1OTMxNTgxMg==&mid=2247511913&idx=3&sn=3afa14244d0a5a014859e10929edadeb&chksm=ea782e62dd0fa77491b9fc21e699d8d366a3cdc11cbccf162b58d7804af8cded2a8aede9b681&scene=178#rd

6、 思科、华为防火墙做端口回流解决内网主机无法通过公网访问内网服务的问题

https://www.cnblogs.com/surplus/p/15516148.html