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Limit Access to my Website hosted on Digital Ocean

Posted June 9, 2021 202 views
CentOSSecurityFirewall

Hi Team DI,
Wanted to know how can I limit access to my website (or droplet to say) only to specific laptops/PCs being used in my office or my home.

Droplet details -

4 GB / 80 GB Disk / NYC1 - CentOS 7.6 x64

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kaustubhjsakpal
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kaustubhjsakpal

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How to secure a CentOS + cPanel droplet? Question Question
How to install and configure Config Server Firewall (CSF) on CentOS Question Question

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bobbyiliev June 9, 2021

Hi there @kaustubhjsakpal,

What you could do is to use a firewall like CSF and lock down all ports. That way only the allowed IP addresses will be able to access the services running on the Droplet.

Here is a step by step tutorial on how to install CSF on CentOS:

https://www.digitalocean.com/community/questions/how-to-install-and-configure-config-server-firewall-csf-on-centos

Hope that this helps!
Regards,
Bobby

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  • kaustubhjsakpal June 10, 2021

    @bobbyiliev
    Thnx for the reply.
    Can I also use multiple SSH key pairs (on multiple computers) to achieve the same i.e. suppose I generate SSH key pairs on all those PCs on which I want the access and then save all the public keys from the generated key pairs on my droplet? Will that work?

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    • bobbyiliev June 11, 2021

      Hi there,

      Yes this is also doable. Each new SSH public key would need to be added to the ~/.ssh/authorized_keys file so that you could SSH from each new device.

      Hope that this helps!
      Regards,
      Bobby

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