# §22.3_IIS安全分析与加固

LLMS index: [llms.txt](/wikis/llms.txt)

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IIS可以提供WEB（80、443）、SMTP（25）、FTP（21、20 | TCP端口）服务，

![](/wikis/_resources/%C2%A722.3_IIS%E5%AE%89%E5%85%A8%E5%88%86%E6%9E%90%E4%B8%8E%E5%8A%A0%E5%9B%BA/5bfb2831092a6476fbae9fd9a6496905_MD5.png)

![](/wikis/_resources/%C2%A722.3_IIS%E5%AE%89%E5%85%A8%E5%88%86%E6%9E%90%E4%B8%8E%E5%8A%A0%E5%9B%BA/aa2c465669e6dd500403f5e236794904_MD5.png)

![](/wikis/_resources/%C2%A722.3_IIS%E5%AE%89%E5%85%A8%E5%88%86%E6%9E%90%E4%B8%8E%E5%8A%A0%E5%9B%BA/9aeaa140e50383a2d0f130629182ac69_MD5.png)



![](/wikis/_resources/%C2%A722.3_IIS%E5%AE%89%E5%85%A8%E5%88%86%E6%9E%90%E4%B8%8E%E5%8A%A0%E5%9B%BA/4a826acbb230d5f8380012e499b86e5a_MD5.png)