By bryangilbert
I’ll be creating six Droplets (Debian) with both UFW and DO firewalls all to run a copy of a web service. I will also create one droplet to manage these servers. Can I set the firewalls for the servers to accept incoming requests on HTTP/HTTPs only on their public IPs and accept ssh only on their private IP address and only from my managing server (via a domain name of course)
If so then I’ll set the managing server’s firewall to only accept incoming SSH from a limited number of IPs that I own elsewhere. I’ll ssh onto the manager and then ssh from there to the web servers. This way the only access to the web servers will be via HTTP/HTTPs.
If the above is possible does anyone know where I can find an example UFW configuration showing how to work with the DO private networks?
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Hi there,
Indeed, what you could do is to close down port 22 for all IP addresses and only allow the ones that you want to have access to the server.
You can allow a specific IP by running:
ufw allow your_ip_here
Alternatively, if you already have a Cloud Firewall, you can use it as well as it also affects both public and VPC network traffic. Rules specific to either must specify the public or private IP range.
Hope that this helps!
Best,
Bobby
Hi @bryangilbert,
Yes, you can use it as you’ve intended. You can use it exactly to affect both public and private network traffic.
I take it you are talking about the following, correct:
https://docs.digitalocean.com/products/networking/firewalls/
Alternatively, you can use your normal Firewall whether it’s UFW or just plain IPtables on your Droplets to replicate the same setup.
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