nginx+lua+ngx_lua_waf实现waf功能

用途:

防止sql注入,本地包含,部分溢出,fuzzing测试,xss,SSRF等web攻击
防止svn/备份之类文件泄漏
防止ApacheBench之类压力测试工具的攻击
屏蔽常见的扫描黑客工具,扫描器
屏蔽异常的网络请求
屏蔽图片附件类目录php执行权限
防止webshell上传

1.下载并解压luajit 2.0.5
wget http://luajit.org/download/LuaJIT-2.0.5.tar.gz
tar -zxvf LuaJIT-2.0.5.tar.gz
cd LuaJIT-2.0.5
make install PREFIX=/data/luajit(选自己的目录)
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2.软连接
ln -s /usr/local/luajit/lib/libluajit-5.1.so.2 /lib64/libluajit-5.1.so.2
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3.下载并解压ngx_devel_kit
wget https://github.com/simpl/ngx_devel_kit/archive/v0.3.0.tar.gz
tar -zxvf v0.3.0.tar.gz
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4.下载并解压lua-nginx-module
wget <https://github.com/openresty/lua-nginx- module/archive/v0.10.14rc3.tar.gz>
tar -zxvf v0.10.14rc3.tar.gz
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5.编译安装nginx
①下载依赖包
yum install -y gcc gcc-c++ wget git geoip-devel gd-devel pcre-deve libcurl- devel libxml2 libxml2-devel libgd-devel openssl-devel
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②下载nginx包
wget http://nginx.org/download/nginx-1.15.2.tar.gz
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③编译安装(目录看对了 选自己的目录)
./configure
–prefix=/data/nginx
–error-log-path=/var/log/php-fpm/error.log
–http-log-path=/phpstudy/server/nginx/logs/access.log
–with-http_ssl_module
–with-http_v2module
–with-http_realip_module
–with-http_addition_module
–with-http_image_filter_module
–with-http_geoip_module
–with-http_sub_module
–with-http_dav_module
–with-http_flv_module
–with-http_mp4_module
–with-http_gunzip_module
–with-http_gzip_static_module
–with-http_random_index_module
–with-http_secure_link_module
–with-http_degradation_module
–with-http_slice_module
–with-http_stub_status_module
–with-pcre
–with-pcre-jit
–with-stream
–with-stream_ssl_module
–with-debug
–add-module=/data/ngx_devel_kit-0.3.0
–add-module=/data/lua-nginx-module-0.10.14rc3
–with-ld-opt=”-Wl,-rpath,$LUAJIT_LIB” ;
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(报错的话 自己百度找问题 都有答案及详解的)
④编译安装
make && make install
6.将waf功能模块,解压后重命名为waf(并移动到nginx的配置目录下)
mv /data/ngx_lua_waf-0.7.2/ waf
cp -rf /data/waf/ /data/nginx/conf/
7.修改waf模块的规则配置路径
8.vim /data/nginx/conf/waf/config.lua
RulePath = “/usr/local/nginx/conf/waf/wafconf/“
–规则存放目录
attacklog = “off”
–是否开启 ** _信息记录,需要配置logdir
logdir = “/usr/local/nginx/logs/hack/“
–log存储目录,该目录需要用户自己新建,切需要nginx用户的可写权限
UrlDeny=”on”
–是否拦截url访问
Redirect=”on”
–是否拦截后重定向
CookieMatch = “on”
–是否拦截cookie
**
postMatch = “on”
–是否拦截post *
whiteModule = “on”
–是否开启URL白名单
black_fileExt={“php”,”jsp”}
–填写不允许上传文件后缀类型
ipWhitelist={“127.0.0.1”}
–ip白名单,多个ip用逗号分隔
ipBlocklist={“1.0.0.1”}
–ip黑名单,多个ip用逗号分隔
CCDeny=”on”
–是否开启拦截cc
(需要nginx.conf的http段增加lua_shared_dict limit 10m;)
CCrate = “100/60”
–设置cc
**频率,单位为秒.
–默认1分钟同一个IP只能请求同一个地址100次
html=[[Please go away~~]]
–警告内容,可在中括号内自定义
备注:不要乱动双引号,区分大小写

9.修改nginx的配置文件使其加载waf功能模块,并加载博客的nginx配置文件
vim /data/nginx/conf/nginx.conf
http里面添加如下
lua_package_path “/data/nginx/conf/waf/config.lua”;
lua_shared_dict limit 10m;
init_by_lua_file /usr/local/nginx/conf/waf/init.lua;
access_by_lua_file /usr/local/nginx/conf/waf/waf.lua;
10.启动nginx设置开机启动
systemctl start nginx.service
systemctl enable nginx.service
11.创建nginx软连接
ln -s /usr/local/nginx/sbin/* /usr/local/sbin/
12.http://你的IP/test.php?id=../etc/passwd
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糖果

糖果
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