---
title: "什么是防火墙"
description: "什么是防火墙"
date: 2021-12-26T08:53:35Z
canonical: https://xiaobox.github.io/p/2021-12-26-shen-me-shi-fang-huo-qiang/
author: 小盒子
categories: ["杂谈"]
source: https://mp.weixin.qq.com/s/EXJ5aQHE6zRK66c5VcKxQw
license: CC BY-NC-SA 4.0
license_url: https://creativecommons.org/licenses/by-nc-sa/4.0/
---

# 什么是防火墙

什么是防火墙