If you want to secure your website from accessing the particular IP address then you can do this in IIS Web Server. For that you can follow below steps:
- Login to your VPS server and open IIS Manager.
- Locate Administrative Tools >> Internet Information Services Manager
- You have to expand the “Sites” under Connection panel and click on your website.
- You will find “IP Address and Domain Restriction” Feature, click on it.
- Click on “Add Deny Entry” option and enter your IP address.
- At last click on “OK”.