Questions tagged [nginx]

Nginx ("eNgine x") is a lightweight, high-performance HTTP server, reverse proxy, TCP stream proxy and mail proxy, released under a BSD-like license.

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538
votes
11answers
525k views

In Nginx, how can I rewrite all http requests to https while maintaining sub-domain?

I want to rewrite all http requests on my web server to be https requests, I started with the following: server { listen 80; location / { rewrite ^(.*) https://mysite.com$1 ...
149
votes
13answers
166k views

How to set up Nginx as a caching reverse proxy?

I heard recently that Nginx has added caching to its reverse proxy feature. I looked around but couldn't find much info about it. I want to set up Nginx as a caching reverse proxy in front of Apache/...
92
votes
7answers
71k views

Properly setting up a “default” nginx server for https

I have several servers running on the same machine, some with http only, some with both http and https. There are several server blocks defined in separate files which are included from the main ...
19
votes
2answers
38k views

How to handle relative urls correctly with a nginx reverse proxy

Sure I'm not the first one that tried to serve a domain example.com from a example.net/bbb, but I haven't found a solution yet. My NGINX configuration follows the guidelines and looks something like ...
15
votes
1answer
13k views

What is Apache's equivalent of Nginx's try_files?

In Nginx there is try_files, a config directive that "checks for the existence of files in order, and returns the first file that is found". I find it very neat to do this location ~* \.(gif|jpe?g|...
236
votes
5answers
473k views

Nginx reverse proxy + URL rewrite

Nginx is running on port 80, and I'm using it to reverse proxy URLs with path /foo to port 3200 this way: location /foo { proxy_pass http://localhost:3200; ...
40
votes
2answers
75k views

How to reduce number of sockets in TIME_WAIT?

Ubuntu Server 10.04.1 x86 I've got a machine with a FCGI HTTP service behind nginx, that serves a lot of small HTTP requests to a lot of different clients. (About 230 requests per second in the peak ...
63
votes
3answers
60k views

What is the difference between Nginx variables $host, $http_host, and $server_name?

What is the difference between the three Nginx variables $host, $http_host, and $server_name? I have a rewrite rule where I'm not sure which one I should be using: location = /vb/showthread.php { ...
233
votes
7answers
307k views

How to force or redirect to SSL in nginx?

I have a signup page on a subdomain like: https://signup.example.com It should only be accessible via HTTPS but I'm worried people might somehow stumble upon it via HTTP and get a 404. My html/...
62
votes
4answers
90k views

nginx real_ip_header and X-Forwarded-For seems wrong

The wikipedia description of the HTTP header X-Forwarded-For is: X-Forwarded-For: client1, proxy1, proxy2, ... The nginx documentation for the directive real_ip_header reads, in part: This ...
81
votes
4answers
267k views

Nginx Redirect via Proxy, Rewrite and Preserve URL

In Nginx we have been trying to redirect a URL as follows: http://example.com/some/path -> http://192.168.1.24 where the user still sees the original URL in their browser. Once the user is ...
104
votes
15answers
355k views

Nginx 1 FastCGI sent in stderr: “Primary script unknown”

My first time using Nginx, but I am more than familiar with Apache and Linux. I am using an existing project and when ever I am trying to see the index.php I get a 404 File not found. Here is the ...
5
votes
1answer
688 views

How can I forward requests from my web server?

This is a Canonical Question about reverse proxies, how they work and how they are configured. How can I serve requests from a service on a different port or from a different server with the same ...
213
votes
5answers
189k views

nginx HTTPS serving with same config as HTTP

Is there a way to share configuration directives across two nginx server {} blocks? I'd like to avoid duplicating the rules, as my site's HTTPS and HTTP content are served with the exact same config. ...
125
votes
5answers
188k views

How to remove the path with an nginx proxy_pass

I have a running web-application at http://example.com/, and want to "mount" another application, on a separate server on http://example.com/en. Upstream servers and proxy_pass seem to work, but for ...
69
votes
8answers
49k views

Remove “www” and redirect to “https” with nginx

I want to create a rule in nginx that does two things: Removes the "www." from the request URI Redirects to "https" if the request URI is "http" There are plenty of examples of how to do each of ...
75
votes
5answers
123k views

How to force nginx to resolve DNS (of a dynamic hostname) everytime when doing proxy_pass?

I am using nginx/0.7.68, running on CentOS, with the following configuration: server { listen 80; server_name ***; index index.html index.htm index.php default.html default.htm ...
34
votes
3answers
82k views

Can nginx location blocks match a URL query string?

Can nginx location blocks match a URL query string? For example, what location block might match HTTP GET request GET /git/sample-repository/info/refs?service=git-receive-pack HTTP/1.1
18
votes
1answer
19k views

maintaining redirects in nginx from an external source

I am in the situation to give our marketing department the opportunity to maintain their redirects by their own. Until now, they passed the information to the IT department and we maintained it for ...
10
votes
5answers
52k views

Can't restart nginx, bind() failed (98: Address already in use)

I know this topic exists in various different forms, but I'm having trouble solving my problem. If I run service nginx restart, nginx fails with the following log: 2015/03/14 08:36:42 [emerg] 9400#0: ...
3
votes
1answer
2k views

nginx certbot certificate www and non-www

I haven't really wrapped my head around how to create (working) certificates using certbot for nginx. My sites-enables now look like this: First, a block for the www domain with SSL. All the SSL ...
1
vote
1answer
4k views

Why nginx internal redirect is not happening

I'm pretty sure I missed an obvious thing but it's driving me crazy, I need other eyeballs.. I got an application with plugins were sources are organized like: /app/plugins/foo/www/... that ...
87
votes
2answers
141k views

an upstream response is buffered to a temporary file

I have a rather large and slow (complex data, complex frontend) web application build in RoR and served by Puma with nginx as reverse proxy. Looking at the nginx error log, I see quite a few entries ...
3
votes
1answer
4k views

Nginx rewite rules 403 error

I am having trouble with converting .htaccess files to nginx. I have 3 .htaccess files. The first .htaccess file is located in the document root and is as follows: Options +FollowSymLinks ...
6
votes
1answer
3k views

How can I get around using alias in nginx?

Due to a long-standing bug in nginx I was advised to switch my alias directive with a root directive. Unfortunately this now breaks my static files, which are located in a different directory to my ...
118
votes
7answers
283k views

Make nginx to pass hostname of the upstream when reverseproxying

I run several docker containers with hostnames: web1.local web2.local web3.local Routing to these done based on hostname by nginx. I have a proxy in front of this setup (on different machine ...
59
votes
4answers
54k views

Dump nginx config from running process?

Apparently, I shouldn't have spent sleepless night trying to debug an application. I wanted to restart my nginx and discovered that its config file is empty. I don't remember truncating it, but fat ...
91
votes
2answers
173k views

How does try_files work?

I looked at the nginx documentation and it still confuses me utterly. How does try_files work? Here is what the documentation says: From NginxHttpCoreModule try_files syntax: try_files path1 ...
32
votes
2answers
27k views

How to rate-limit in nginx, but including/excluding certain IP addresses?

I'm able to use limit_req to rate-limit all requests to my server. However I'd like to remove the rate restriction for certain IP addresses (i.e. whitelist) and use a different rate restriction for ...
32
votes
3answers
96k views

Nginx - How to redirect users with certain IP to special page

I run quite a big image gallery and there are 5 visitors that create an enormous amount of traffic by downloading the whole site every day using webcopiers. Those visitors have static IPs as it seems. ...
6
votes
2answers
10k views

Copy and deliver a request to another nginx server for real traffic testing

I have a Flask web service which runs on uwsgi+nginx and it works well. I have another development version of the service which runs on another server. It also runs on uwsgi+nginx. What I want to do ...
18
votes
6answers
13k views

Nginx. How do I reject request to unlisted ssl virtual server?

I have a wildcard SSL certificate and several subdomains on the same ip. Now I want my nginx to handle only mentioned server names and drop connection for others so that it'd look like nginx is not ...
4
votes
1answer
4k views

Best way to set up permissions with nginx + php-fpm on shared hosting?

I'm running a shared hosting server with nginx and php-fpm on Debian. Everything works fine, php-fpm has separate pools for each users running as separate users and they each have their own socks. ...
4
votes
2answers
806 views

nginx location pathing issue

I've got a pretty much default sites-enabled set up in my nginx on debian squeeze and i'm now trying to get it to serve up my munin graphs on myhost/munin/ Heres the location i've added to the config ...
2
votes
1answer
668 views

Varnish cache with Nginx SSL termination

How can I use varnish cache with nginx SSL termination for my SSL-Only (Https only) website? I use ubuntu 18.04 and I am currently running a wordpress site on my server.
0
votes
1answer
1k views

Deploying a static site on AWS EC2/nginx: what am I doing wrong?

I set up a micro instance (Ubuntu, 32 bit) and assigned an elastic IP (23.23.245.104) Public DNS: ec2-23-23-245-104.compute-1.amazonaws.com I successfully ssh'ed to the machine and installed nginx. ...
53
votes
5answers
24k views

Ordering: 1. nginx 2. varnish 3. haproxy 4. webserver?

I've seen people recommend combining all of these in a flow, but they seem to have lots of overlapping features so I'd like to dig in to why you might want to pass through 3 different programs before ...
62
votes
3answers
63k views

Is the PHP option 'cgi.fix_pathinfo' really dangerous with Nginx + PHP-FPM?

There has been a lot of talking about a security issue relative to the cgi.fix_pathinfo PHP option used with Nginx (usually PHP-FPM, fast CGI). As a result, the default nginx configuration file used ...
48
votes
1answer
72k views

nginx: no permission to bind port 8090 but it binds to 80 and 8080

I'm struggling with some strange permission related behavior: when I configure nginx to listen to port 8080 everything works as expected, but when I use any other port I get something like 2014/01/10 ...
110
votes
7answers
165k views

Setting expires headers for static content served from nginx

I'm using nginx to server my static content, is there a way that I can set the expires headers for every file that meets a specific rule? For example can I set the expires header for all files that ...
54
votes
4answers
120k views

How to use nginx to proxy to a host requiring authentication?

How can I setup an nginx proxy_pass directive that will also include HTTP Basic authentication information sent to the proxy host? This is an example of the URL I need to proxy to: http://username:...
33
votes
2answers
58k views

nginx permission denied to certificate files for ssl configuration

I'm installing an nginx ssl proxy on my Fedora server. I've created a cert and key pair under /etc/nginx. They look like this: ls -l /etc/nginx/ total 84 ... -rw-r--r--. 1 root root 1346 Sep 20 12:...
26
votes
6answers
73k views

Nginx proxy by Request Method

Is it possible/how can I configure an Nginx location block to proxy to different backends depending on the request method (ie. GET/POST)? The reason is, I am currently handling the 2 methods at 2 ...
19
votes
9answers
26k views

Handling http and https requests using a single port with nginx

i was wondering if nginx is able to handle http and https requests on the same port. [*] This is what i'm trying to do. I'm running a web server (lighttpd) handling http requests, and a C program ...
29
votes
3answers
90k views

nginx as reverse proxy with upstream SSL

I'm building a proxy for an internal API to allow clients to connect without having to have the self-signed certificates installed. Clients (built, owned and used only internally) will connect over ...
36
votes
2answers
14k views

nginx use $server_name on ssl_certificate path

How I can use a variable name in file path ? ssl_certificate /home/ec2-user/.certificados/$server_name.crt; ssl_certificate_key /home/ec2-user/.certificados/$server_name.key;
17
votes
3answers
20k views

nginx case insensitive rewrite

I am trying to make my nginx redirects as clean as possible. I understand ~* is for case insensitive but I can only get it to work in example 2. Example 1 rewrite ^/foobar http://www.youtube.com/...
14
votes
7answers
46k views

Nginx + php5-fpm = “File not found”

I've hit a wall whilst setting up a site using nginx / fpm. The page displays "File not found", and this appears in the nginx error.log: FastCGI sent in stderr: "Primary script unknown" while reading ...
6
votes
1answer
11k views

Nodejs Nginx error: (13: Permission denied) while connecting to upstream

I'm trying to run multiple Nodejs applications on Nginx server running on CentOS 7. I noticed that when I run a Nodejs app on some ports I get an 502 Bad Gateway error in the browser so I checked the ...
6
votes
3answers
8k views

NGINX 301 and 302 serving small nginx document body. Any way to remove this behaviour?

We have noticed that when using nginx internal 301 and 302 handling, nginx will serve a small document body with the appropriate Location: ... header. Something along the lines of (in html): 301 ...

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