How to block IPs using Nginx?

Kaz Wolfe · Oct 26, 2016

Hey there web host experts,

I recently got a new VPS and running Nginx on it, I would like to know how can I block certain IPS using Nginx and send the blocked ips to a redirected page or something elese?

Please provide the methods or tips.

Thanks in advance.
Kaz

compacta · Oct 28, 2016

Kaz Wolfe said:
Hey there web host experts,

I recently got a new VPS and running Nginx on it, I would like to know how can I block certain IPS using Nginx and send the blocked ips to a redirected page or something elese?

Please provide the methods or tips.

Thanks in advance.
Kaz

Hello Kaz Wolfe,
To block IP in nginx edit nginx.conf file, enter:

Code:

cd /usr/local/nginx/conf/
vi nginx.conf

* The location of this file nginx.conf may change according to your installation.

Add the following line in http section:

Code:

 include blockips.conf;

Save and close the file. Now create the file blockips.conf in /usr/local/nginx/conf/, enter:

Code:

vi blockips.conf

Append / add entries as follows:

Code:

deny xxx.xxx.xxx.xxx;
deny xxx.xxx.xxx.xxx;

Save and close the file. Test the config file, enter:

Code:

/usr/local/nginx/sbin/nginx -t

Sample outputs:
the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
configuration file /usr/local/nginx/conf/nginx.conf test is successful

Reload the new config, enter:

Code:

/usr/local/nginx/sbin/nginx -s reload

You can explore the nginx guide at this link: https://www.nginx.com/resources/admin-guide/

Philippe Gaucher · Oct 28, 2016

@compacta it is pretty complex to me, is there a way to do it without commands, I would do via an user friendly interface. Is it possible? what software can I install on nginx to block any IPs?

compacta · Oct 28, 2016

I know no other way and no software to do this automatically.

UWH-David · Nov 1, 2016

Kaz Wolfe said:
Hey there web host experts,

I recently got a new VPS and running Nginx on it, I would like to know how can I block certain IPS using Nginx and send the blocked ips to a redirected page or something elese?

Please provide the methods or tips.

Thanks in advance.
Kaz

It does not appear the OPs specific question was answered.

If the geo mod is installed you can use the following to redirect the IP to another URL:

Code:

geo $bad_user {
  default 0;
  1.2.3.4/32 1;
}

server {
  if ($bad_user) {
    rewrite ^ http://www.nicetry.com/punk.html;
  }
}

Or if you use:

Code:

server {
    if ($remote_addr = 1.2.3.4) {
        rewrite ^ http://www.nicetry.com/punk.html;
    }
   ...
}

How to block IPs using Nginx?

Kaz Wolfe

Well-known member

compacta

Member

Philippe Gaucher

Well-known member

compacta

Member

UWH-David

Member

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