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Nginx Configuration

Summary

This repository contains a robust and ready-to-deploy Nginx configuration, ideal for production environments. It is designed to be scalable, efficient, secure, and reliable.

Nginx 1.13.0+ LICENSE

Author's Notes

Created by @carlbennett, this Nginx configuration aims to be both secure and modular, allowing easy deployment across various servers with minimal adjustments.

Based on Fedora 29 x86_64 Nginx packages, this configuration is maintained at carlbennett/nginx-conf. It is compatible with most Nginx installations and works well on enterprise Linux distributions when using nginx.org's repositories.

Recommended Nginx version: 1.13.0 or newer.

Features

  • Global Caching
    • Configures Nginx to cache static resources in browsers, enhancing performance.
  • Global Gzip Compression
    • Compresses common static resources to reduce bandwidth usage.
  • Global URL Filtering
    • Blocks common types of attacks based on URL patterns, preventing potential security breaches.
    • Easily extendable to block additional URLs.
  • PHP Support
    • Define PHP error reporting and short tags within your server block.
    • Pass additional PHP options using the PHP_VALUE parameter.

Installation

These steps have been tested on Fedora 29 x86_64 and newer versions. Minor adjustments may be needed for non-RHEL systems.

Ensure you are logged in as root or using sudo for the commands below.

Install Nginx

dnf install nginx

Tip: Swap dnf with yum if using an older distribution release.

Setup the User and Group (Optional)

It is optional to remove the Apache user, the Apache and Nginx users can co-exist.

During package resolution, it used to be the case (or may still be) that the vendor Nginx packages pull in Apache-dependent packages, which create the Apache user/group, and therefore the author sees this as dirty if the system is intended to be purely Nginx without Apache whatsoever.

Be sure that the services are stopped first, no processes using these users should be running:

systemctl stop httpd.service
systemctl stop nginx.service

To remove Apache and take its ID number:

userdel -r apache
usermod -u 48 nginx
groupmod -g 48 nginx

Add custom permission group for web content, then add nginx and yourself to it:

groupadd -r www-data
usermod -aG www-data nginx
usermod -aG www-data `whoami`

Clone the Repository

cd ~
git clone [email protected]:carlbennett/nginx-conf.git && cd ./nginx-conf

Copy Files to the System

cp -r ./etc/nginx/ /etc/nginx
mkdir -p /var/www && cp -r ./var/www/* /var/www

Set File and Directory Permissions

chown -v -R root:root /etc/nginx
chown -v -R nginx:www-data /var/www
find /var/www -type f -exec chmod -v 0664 {} \;
find /var/www -type d -exec chmod -v 0775 {} \;

Configure SELinux Booleans

If using Nginx on a RHEL-like system with a backend like php-fpm, enable the following SELinux booleans for network connectivity:

setsebool -P httpd_can_network_connect 1
setsebool -P httpd_can_network_connect_db 1
setsebool -P httpd_can_network_memcache 1

Configure SELinux File Context

For an alternate webroot, configure the SELinux file context:

dnf install policycoreutils-python-utils # provides semanage
semanage fcontext -a -t httpd_sys_content_t '/opt/other-www(/.*)?'
restorecon -r /opt/other-www

For directories requiring write access, use the httpd_rw_sys_content_t file context. For CGI/executable files, use httpd_sys_script_exec_t.

List all configured file contexts:

semanage fcontext -l | grep httpd

Configure Nginx

Customize the configuration under /etc/nginx as needed.

Run Nginx

Enable and start Nginx:

systemctl enable --now nginx.service