随着网络和电子商务应用的不断发展,企业信息化水平也随之不断提高,网络安全问题也逐渐成为业务发展的障碍。面对来自网络内部和外部的安全威胁,中小企业应合理利用安全防护产品做到有效防御。我们选取了部分主流厂商的代表性产品,通过介绍这些产品的网络安全防护功能及其特点,帮助企业选择一款最适合自己的产品。 With the continuous development of network and e-commerce applications, the level of enterprise information has also been continuously improved, and the problem of network security has gradually become an obstacle to business development. In the face of security threats from the inside and outside the network, SMEs should make effective use of security products to achieve effective defense. We selected the representative products from some mainstream vendors to help companies choose the one that suits their needs by introducing the cyber security features and features of these products.