Nginx reverse proxy for back end web servers
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pid /var/run/nginx.pid;
user nginx nginx;
worker_processes 10;
events {
worker_connections 1024;
}
http {
## MIME types
#include /etc/nginx_mime.types;
default_type application/octet-stream;
## Size Limits
client_body_buffer_size 128K;
client_header_buffer_size 128K;
client_max_body_size 1M;
large_client_header_buffers 1 1k;
## Timeouts
client_body_timeout 60;
client_header_timeout 60;
expires 24h;
keepalive_timeout 60 60;
send_timeout 60;
## General Options
ignore_invalid_headers on;
keepalive_requests 100;
limit_zone gulag $binary_remote_addr 5m;
recursive_error_pages on;
sendfile on;
server_name_in_redirect off;
server_tokens off;
## TCP options
tcp_nodelay on;
tcp_nopush on;
## Compression
gzip on;
gzip_buffers 16 8k;
gzip_comp_level 6;
gzip_http_version 1.0;
gzip_min_length 0;
gzip_types text/plain text/css image/x-icon application/x-perl application/x-httpd-cgi;
gzip_vary on;
## Log Format
log_format main '$remote_addr $host $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" "$http_user_agent" '
'"$gzip_ratio"';
## Proxy options
proxy_buffering on;
proxy_cache_min_uses 3;
proxy_cache_path /usr/local/nginx/proxy_temp/ levels=1:2 keys_zone=cache:10m inactive=10m max_size=1000M;
proxy_cache_valid any 10m;
proxy_ignore_client_abort off;
proxy_intercept_errors on;
proxy_next_upstream error timeout invalid_header;
proxy_redirect off;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_connect_timeout 60;
proxy_send_timeout 60;
proxy_read_timeout 60;
## Backend servers (web1 is the primary and web2 will come up if web1 is down)
upstream webbackend {
server web1.domain.lan weight=10 max_fails=3 fail_timeout=30s;
server web2.domain.lan weight=1 backup;
}
server {
add_header Cache-Control public;
access_log /var/log/nginx/access.log main;
error_log /var/log/nginx/error.log;
index index.html;
limit_conn gulag 50;
listen 127.0.0.1:80 default;
root /usr/local/nginx/html;
server_name _;
## Only requests to our Host are allowed
if ($host !~ ^(mydomain.com|www.mydomain.com)$ ) {
return 444;
}
## Only allow these request methods
if ($request_method !~ ^(GET|HEAD|POST)$ ) {
return 444;
}
## Only allow these full URI paths relative to document root. If you only want
## to reference the filename use $request_filename instead of $request_uri
location / {
if ($request_uri ~* (^\/|\.html|\.jpg|\.pl|\.png|\.css|\.ico|robots\.txt)$ ) {
break;
}
return 444;
}
## PROXY - Forum
location /forum/ {
proxy_pass http://forum.domain.lan/forum/;
}
## PROXY - Data
location /files/ {
proxy_pass http://data.domain.lan/;
}
## PROXY - Web
location / {
proxy_pass http://webbackend;
proxy_cache cache;
proxy_cache_valid 200 24h;
proxy_cache_use_stale error timeout invalid_header updating http_500 http_502 http_503 http_504;
proxy_ignore_headers Expires Cache-Control;
}
## All other errors get the generic error page
error_page 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 495 496 497
500 501 502 503 504 505 506 507 /error_page.html;
location /error_page.html {
internal;
}
}
}
#
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