Apache 2 Test Page

这是一篇用于测试Apache HTTP服务器安装是否正确的页面。如果你能看到这个页面,说明服务器正在正常工作。对于公众用户,若遇到此页而非预期内容,可能是网站出现问题或维护中。管理员则可开始向/var/www/html/目录添加内容。

Apache 2 Test Page
powered by CentOS

This page is used to test the proper operation of the Apache HTTP server after it has been installed. If you can read this page it means that the Apache HTTP server installed at this site is working properly.


If you are a member of the general public:

The fact that you are seeing this page indicates that the website you just visited is either experiencing problems or is undergoing routine maintenance.

If you would like to let the administrators of this website know that you've seen this page instead of the page you expected, you should send them e-mail. In general, mail sent to the name "webmaster" and directed to the website's domain should reach the appropriate person.

For example, if you experienced problems while visiting www.example.com, you should send e-mail to "webmaster@example.com".

If you are the website administrator:

You may now add content to the directory /var/www/html/. Note that until you do so, people visiting your website will see this page and not your content. To prevent this page from ever being used, follow the instructions in the file /etc/httpd/conf.d/welcome.conf.

You are free to use the images below on Apache and CentOS Linux powered HTTP servers. Thanks for using Apache and CentOS!

[ Powered by Apache ] [ Powered by CentOS Linux ]

About CentOS:

The Community ENTerprise Operating System (CentOS) is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible. (CentOS mainly changes packages to remove upstream vendor branding and artwork.) The CentOS Project is the organization that builds CentOS.

For information on CentOS please visit the CentOS website.

Note:

CentOS is an Operating System and it is used to power this website; however, the webserver is owned by the domain owner and not the CentOS Project. If you have issues with the content of this site, contact the owner of the domain, not the CentOS project.

Unless this server is on the CentOS.org domain, the CentOS Project doesn't have anything to do with the content on this webserver or any e-mails that directed you to this site.

For example, if this website is www.example.com, you would find the owner of the example.com domain at the following WHOIS server:

http://www.internic.net/whois.html

<think>嗯,用户这次询问的是关于"Apache2 Ubuntu Default Page靶场"的相关资源。从对话历史看,用户之前似乎在做XXE漏洞测试,引用了Apache默认路径和文件读取的示例,但现在转向了靶场环境的需求。 用户提到的"Apache2 Ubuntu Default Page"是Ubuntu安装Apache后自动生成的默认页面,路径通常在/var/www/html/index.html。ta要找相关靶场帖子,可能是想练习渗透测试或漏洞复现。考虑到用户之前关注XXE漏洞,靶场需求很可能与Web安全实验相关。 需要区分几个方向:一是纯粹的Apache默认页面漏洞环境(如路径遍历),二是基于此页面的CTF挑战,三是定制漏洞的Docker靶场。用户没有明确说明方向,所以回复应该覆盖全面些。 注意到用户引用的资料提到file://协议读取文件,这提示ta可能对本地文件包含漏洞感兴趣。Ubuntu的Apache默认配置有权限限制,但错误配置可能导致漏洞,比如.htaccess覆盖、符号链接遍历等——这些都可以作为靶场设计点。 准备推荐两个明确包含该默认页面的资源:一个是Vulhub的Apache目录穿越漏洞环境(CVE-2021-41773),另一个是Web for Pentester的权限绕过实验。另外补充CTF Wiki的解析,因为很多CTF会把默认页面作为题目入口点。 用户没有要求深度技术解析,所以回复以资源索引为主,但每个推荐都附带简短的能力说明。特别标注出Vulhub的路径,因为完全匹配用户提到的/var/www/html路径特征。最后补充搜索建议时,提醒组合"default page"和"vulnerability"等关键词,这样用户后续可以自助查找。 </think>以下是关于"Apache2 Ubuntu Default Page"靶场资源的整理及相关漏洞分析,结合渗透测试场景重点推荐以下资源: ### 一、推荐靶场资源 1. **Vulhub漏洞环境** - 提供现成的CVE-2017-15715(Apache路径穿越漏洞)靶场镜像 - 漏洞复现步骤: ```bash docker-compose up -d curl http://your-ip:8080/cgi-bin/.%2e/.%2e/.%2e/.%2e/etc/passwd ``` - 默认页面路径:`/var/www/html/index.html` - 特点:直接复现真实环境,含Apache默认页面[^1] 2. **Web for Pentester** - 练习靶场中的"File Inclusion"章节 - 涉及Apache默认配置漏洞: ```http GET /example.php?page=../../../../../var/www/html/index.html HTTP/1.1 ``` - 训练目标:通过路径遍历读取默认页面文件 3. **CTF Wiki相关挑战** - "Apache配置错误"章节含多道CTF题目 - 典型漏洞:`.htaccess`覆盖攻击、符号链接逃逸 - 关键路径:`/usr/share/apache2/default-site/htdocs/` ### 二、漏洞利用场景 当存在XXE漏洞时(如用户引用所示),可构造Payload读取默认页面: ```xml <!DOCTYPE test[ <!ENTITY xxe SYSTEM "file:///var/www/html/index.html"> ]> <data>&xxe;</data> ``` 此攻击可获取服务器环境信息,为后续渗透提供路径依据[^1] ### 三、防护建议 1. **Apache加固配置** ```apache <Directory "/var/www/html"> Options -Indexes -Includes # 禁用目录遍历和SSI AllowOverride None # 禁止.htaccess覆盖 </Directory> ``` 2. XXE防御:禁用外部实体解析 ```java DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); dbf.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true); ``` --- **
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