#drop_sql为防爬虫、SQL注入等常用配置
user www www;
worker_processes 1;
error_log /usr/local/local/logs/nginx_error.log crit;
pid /usr/local/nginx/logs/nginx.pid;
#Specifies the value for maximum file descriptors that can be opened by this process.
worker_rlimit_nofile 51200;
events
{
use epoll;
worker_connections 51200;
}
http
{
include 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;
access_log off;
ssi on;
ssi_types text/shtml;
sendfile on;
tcp_nopush on;
add_header Hit slb-1.keyibao.com;
keepalive_timeout 180;
tcp_nodelay on;
fastcgi_intercept_errors on;
proxy_intercept_errors on;
fastcgi_connect_timeout 1200;
fastcgi_send_timeout 1200;
fastcgi_read_timeout 1200;
fastcgi_buffer_size 128k;
fastcgi_buffers 8 128k;
fastcgi_busy_buffers_size 256k;
fastcgi_temp_file_write_size 256k;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
send_timeout 1200;
proxy_connect_timeout 1200;
proxy_read_timeout 1200;
proxy_send_timeout 1200;
set_real_ip_from 10.159.0.0/16;
real_ip_header X-Forwarded-For;
gzip on;
gzip_proxied any;
gzip_http_version 1.0;
gzip_vary on;
gzip_comp_level 6;
gzip_min_length 2k;
gzip_buffers 4 16k;
gzip_types text/plain text/css application/json application/x-javascript application/xml text/javascript image/jpeg image/gif image/png application/x-shockwave-flash;
gzip_disable “MSIE [1-6].(?!.*SV1)”;
#limit_req_zone $limit zone=ConnLimitZone:20m rate=30r/s;
#limit_conn_zone $limit zone=limit:10m;
#limit_req zone=ConnLimitZone;
include drop_sql.conf;
}
####drop_sql.conf
if ($request_uri ~* "(cost\()|(concat\()") {
return 404;
}
if ($query_string ~ "(<|%3C).*script.*(>|%3E)") {
return 404;
}
if ($query_string ~ "GLOBALS(=|[|%[0-9A-Z]{0,2})") {
return 404;
}
if ($query_string ~ "_REQUEST(=|[|%[0-9A-Z]{0,2})") {
return 404;
}
if ($query_string ~ "proc/self/environ") {
return 404;
}
if ($query_string ~ "mosConfig_[a-zA-Z_]{1,21}(=|%3D)") {
return 404;
}
if ($query_string ~ "base64_(en|de)code(.*)") {
return 404;
}
if ($http_user_agent ~ "Python-urllib") {
return 404;
}
## Block SQL injections
set $block_sql_injections 0;
if ($query_string ~ "union.*select.*\(") {
set $block_sql_injections 1;
}
if ($query_string ~ "union.*all.*select.*") {
set $block_sql_injections 1;
}
if ($query_string ~ "concat.*\(") {
set $block_sql_injections 1;
}
if ($block_sql_injections = 1) {
return 403;
}
## Block file injections
set $block_file_injections 0;
#if ($query_string ~ "[a-zA-Z0-9_]=(\.\.//?)+") {
#set $block_file_injections 1;
#}
if ($query_string ~ "[a-zA-Z0-9_]=/([a-z0-9_.]//?)+") {
set $block_file_injections 1;
}
if ($block_file_injections = 1) {
return 404;
}
## Block common exploits
set $block_common_exploits 0;
if ($query_string ~ "(<|<).*script.*(>|>)") {
set $block_common_exploits 1;
}
if ($query_string ~ "GLOBALS(=|\[|\%[0-9A-Z]{0,2})") {
set $block_common_exploits 1;
}
if ($query_string ~ "_REQUEST(=|\[|\%[0-9A-Z]{0,2})") {
set $block_common_exploits 1;
}
if ($query_string ~ "proc/self/environ") {
set $block_common_exploits 1;
}
if ($query_string ~ "mosConfig_[a-zA-Z_]{1,21}(=|\=)") {
set $block_common_exploits 1;
}
if ($query_string ~ "base64_(en|de)code\(.*\)") {
set $block_common_exploits 1;
}
if ($block_common_exploits = 1) {
return 404;
}
## Block spam
set $block_spam 0;
if ($query_string ~ "\b(ultram|unicauca|valium|viagra|vicodin|xanax|ypxaieo)\b") {
set $block_spam 1;
}
if ($query_string ~ "\b(erections|hoodia|huronriveracres|impotence|levitra|libido)\b") {
set $block_spam 1;
}
if ($query_string ~ "\b(ambien|blue\spill|cialis|cocaine|ejaculation|erectile)\b") {
set $block_spam 1;
}
if ($query_string ~ "\b(lipitor|phentermin|pro[sz]ac|sandyauer|tramadol|troyhamby)\b") {
set $block_spam 1;
}
if ($block_spam = 1) {
return 404;
}
## Block user agents
set $block_user_agents 0;
# Don't disable wget if you need it to run cron jobs!
#if ($http_user_agent ~ "Wget") {
# set $block_user_agents 1;
#}
# Disable Akeeba Remote Control 2.5 and earlier
if ($http_user_agent ~ "Indy Library") {
set $block_user_agents 1;
}
# Common bandwidth hoggers and hacking tools.
if ($http_user_agent ~ "libwww-perl") {
set $block_user_agents 1;
}
if ($http_user_agent ~ "GetRight") {
set $block_user_agents 1;
}
if ($http_user_agent ~ "GetWeb!") {
set $block_user_agents 1;
}
if ($http_user_agent ~ "Go!Zilla") {
set $block_user_agents 1;
}
if ($http_user_agent ~ "Download Demon") {
set $block_user_agents 1;
}
if ($http_user_agent ~ "Go-Ahead-Got-It") {
set $block_user_agents 1;
}
if ($http_user_agent ~ "TurnitinBot") {
set $block_user_agents 1;
}
if ($http_user_agent ~ "GrabNet") {
set $block_user_agents 1;
}
if ($block_user_agents = 1) {
return 404;
}
