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- 项目一般配置，例如
default.conf
server {
#引入 lua 文件加载一些默认配置
include conf.d/lua_core.conf;
#引入一些默认 localtion 的配置
include conf.d/limits.conf;
#指定 dcoment_root
root /var/www/html/default/public;
#加载项目相关的 localtion 的配置
include conf.d/rewrite/thinkphp.conf;
#测试用
location = /lua {
set $loggable 0;
default_type text/html;
content_by_lua 'ngx.say("hello world")';
#这个链接必须是在浏览器下访问，受制于此文件内的配置
include conf.d/lua/must_be_human.conf;
}
access_log /var/log/nginx/access.default.log json_log buffer=64k flush=10s if=$loggable;
error_log /var/log/nginx/error.default.log error;
}- nginx 的主入口
nginx.conf
user nginx;
worker_processes auto;
pid /var/run/nginx.pid;
error_log /var/log/nginx/nginx_error.log warn;
worker_rlimit_nofile 51200;
events {
use epoll;
worker_connections 51200;
multi_accept on;
}
http {
include /etc/nginx/mime.types;
default_type application/octet-stream;
server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
client_max_body_size 50m;
client_body_buffer_size 5m;
client_body_temp_path /var/cache/nginx/client_body_temp 1 2;
sendfile on;
tcp_nopush on;
tcp_nodelay on;
client_body_timeout 30;
client_header_timeout 30;
keepalive_timeout 30;
send_timeout 30;
fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
fastcgi_buffer_size 1m;
fastcgi_buffers 8 1m;
fastcgi_busy_buffers_size 2m;
fastcgi_temp_file_write_size 4m;
fastcgi_temp_path /var/cache/nginx/fastcgi_temp 1 2;
proxy_http_version 1.1;
proxy_buffer_size 1m;
proxy_buffers 4 1m;
proxy_busy_buffers_size 2m;
proxy_temp_file_write_size 2m;
proxy_cache_path /var/cache/nginx/nginx_proxy_cache levels=1:2 keys_zone=cache_one:500m inactive=1d max_size=10g;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.1;
gzip_comp_level 4;
gzip_types text/plain application/javascript application/x-javascript text/javascript text/css application/json;
gzip_vary on;
gzip_proxied expired no-cache no-store private auth;
gzip_disable "MSIE [1-6]\.";
server_tokens off;
access_log off;
autoindex off;
open_file_cache max=102400 inactive=20s;
open_file_cache_valid 30s;
open_file_cache_min_uses 2;
open_file_cache_errors on;
map $http_x_forwarded_for $clientRealIp {
"" $remote_addr;
~^(?P<firstAddr>[0-9\.]+),?.*$ $firstAddr;
}
map $sent_http_content_type $expires {
default 1d;
text/html off;
text/css 1d;
application/javascript 1d;
~image/ 1d;
}
map $host $resp_body {default "";}
map $host $loggable {default 1;}
map $host $request_body_sub {default "";}
#日志采用 json 形式，方便和 jq 命令查找分析
log_format json_log escape=json '{"realip":"$clientRealIp","timestamp":"$time_iso8601","host":"$http_host","request":"$request","req_body":"$request_body_sub","status":"$status","resp_body":"$resp_body","size":$body_bytes_sent,"ua":"$http_user_agent","cookie":"$http_cookie","req_time":"$request_time","uri":"$uri","referer":"$http_referer","xff":"$http_x_forwarded_for","ups_status":"$upstream_status","ups_addr":"$upstream_addr","ups_time":"$upstream_response_time"}';
lua_need_request_body on;
#不关闭这个，不能启动 lua module
lua_load_resty_core off;
include /etc/nginx/conf.d/vhost/*.conf;
}-
lua_core.conf中的一些内容
# 将输入输出也写进 log 中
body_filter_by_lua_block {
if ngx.var.request_method == "POST" then
ngx.var.request_body_sub = string.sub(ngx.var.request_body or "", 1, 1000)
local resp_body = string.sub(ngx.arg[1] or "", 1, 1000)
ngx.ctx.buffered = (ngx.ctx.buffered or "") .. resp_body
if ngx.arg[2] then
ngx.var.resp_body = ngx.ctx.buffered
end
end
}
#放在顶级 server 中进行筛选
rewrite_by_lua_block {
local body = nil
if ngx.var.request_method == "POST" then
ngx.req.read_body()
body = ngx.unescape_uri(string.sub(ngx.var.request_body or "", 1, 1000))
elseif ngx.var.request_method == "GET" then
body = ngx.unescape_uri(string.sub(ngx.var.args or "", 1, 1000))
end
-- 检测请求数据中的不安全参数
if body and string.len(body) >= 8 then
local patterns = {"(shell_exec|phpinfo|system|passthru|preg_\\w+|execute|echo)\\s*\\(",}
for _, pattern in pairs(patterns) do
local match = ngx.re.match(body, pattern, "ijo")
if match then
ngx.status = 200
ngx.say("hello world")
ngx.exit(200)
end
end
end
}- limits.conf
#https 的时候要用到
add_header X-Frame-Options SAMEORIGIN;
add_header X-Content-Type-Options nosniff;
add_header X-XSS-Protection "1; mode=block";
add_header strict-transport-security "max-age=31536000; includeSubDomains";
fastcgi_hide_header X-Powered-By;
#只允许特定的 METHOD
if ($request_method !~ ^(GET|POST|HEAD|OPTION)$) {return 405;}
#禁止默认的命令行工具访问
if ($http_user_agent ~* (pytho[n]?|curl|wget)) {return 403;}
# 防止外部直接 thinkphp 漏洞攻击
if ($request_uri ~* ^/index\.php) {return 405;}
#letsencrypt 需要访问这个地址下文件
location ^~ /.well-known {
try_files $uri $uri/ =404;
access_log off;
}
#禁止所以点开头的访问
#eg：/upload/../index.php
location ~ /\. {deny all;}
#upload 下 php 无运行权限，防止上传漏洞
location ~* /upload[s]?/.*\.php$ {return 404;}
#静态文件就不需要记录在日志了
location ~* \.(map|gif|jpg|png|css|js|ico|swf|pdf|apk|exe|eot|otf|ttf|woff|woff2)$ {
try_files $uri =404;
access_log off;
}
location = /favicon.ico {
try_files $uri =404;
access_log off;
}-
lua的一些应用
# 一般爬虫无法动态 cookie，用作判断是否是浏览器行为
rewrite_by_lua_block {
local random = ngx.var.cookie_random
if(random == nil) then
random = math.random(999999)
end
local token = ngx.md5("salt" .. ngx.var.remote_addr .. random)
if (ngx.var.cookie_token ~= token) then
ngx.header["Set-Cookie"] = {"token=" .. token, "random=" .. random}
return ngx.redirect(ngx.var.scheme .. "://" .. ngx.var.host .. ngx.var.request_uri)
end
}-
thinkphp.conf相关的配置
location / {try_files $uri $uri/ /index.php?s=$uri&$query_string;}
#杜绝其他上传 php 文件的漏洞
location = /index.php {
try_files $uri =404;
fastcgi_pass php-fpm:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root/index.php; # $fastcgi_script_name
include fastcgi_params;
}
正文完
