Skip to content

[update] Securing Nginx With ModSecurity #7417

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Rajakavitha1 wants to merge 2 commits into
base: develop
Choose a base branch
from
Open

[update] Securing Nginx With ModSecurity #7417

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
de7db61
Update index.md
Rajakavitha1 Mar 19, 2026
36acdf7
Update index.md
Rajakavitha1 Mar 19, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 7 additions & 3 deletions docs/guides/security/basics/securing-nginx-with-modsecurity/index.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ In order to install and configure ModSecurity, you need to have a Linux server w
For instructions, see our guide on [How to Install NGINX on Ubuntu 18.04 LTS](/docs/guides/how-to-install-nginx-ubuntu-18-04/). Installation instructions for several other Linux distributions are also accessible from this guide.

{{< note >}}
This demonstration has been performed on Ubuntu 18.04. However, all techniques demonstrated are distribution agnostic with the exception of package names and package managers.
This demonstration has been performed on Ubuntu 24.04. However, all techniques demonstrated are distribution agnostic with the exception of package names and package managers.
{{< /note >}}

## Downloading & Building ModSecurity
Expand All @@ -48,8 +48,8 @@ To begin the installation process, follow the steps outlined below:

sudo apt-get install bison build-essential ca-certificates curl dh-autoreconf doxygen \
flex gawk git iputils-ping libcurl4-gnutls-dev libexpat1-dev libgeoip-dev liblmdb-dev \
libpcre3-dev libpcre++-dev libssl-dev libtool libxml2 libxml2-dev libyajl-dev locales \
lua5.3-dev pkg-config wget zlib1g-dev zlibc libxslt libgd-dev
libpcre3-dev libpcre2-dev libssl-dev libtool libxml2 libxml2-dev libyajl-dev locales \
lua5.3-dev pkg-config wget zlib1g-dev libxslt1-dev libgd-dev libperl-dev

1. Ensure that git is installed:

Expand Down Expand Up @@ -238,6 +238,10 @@ Now that you have configured ModSecurity to work with Nginx, you must enable Mod
modsecurity on;
modsecurity_rules_file /etc/nginx/modsec/main.conf;

{{< note >}}
Edit the file that is actually symlinked in `sites-enabled/`. Verify with `ls -la /etc/nginx/sites-enabled/`.
{{< /note >}}

Here is an example configuration file that includes the above lines:

{{< file "/etc/nginx/sites-available/default" nginx >}}
Expand Down
Loading