Hello everyone! I recently had a commission to set up a web server structure for a company. We have a main domain that we have in CloudFlare for cache, ssl, rules, etc. We have this pointing to the public IP address. We have several subdomains, web (machine with PLESK), storage (nextCloud), internal application, financial application … In the router, we have the ports open to v-machine 01, which only has NGINX to launch requests to the different v-servers.
We have a single physical server with different virtual machines. Virtual machine for NGINX (machine 01) Virtual machine for web application Virtual machine for the internal application Virtual machine for financial application …
Is this approach correct? How should I protect both the NGINX machine and the servers behind it? Should I configure ssl certificates on all machines or with what cloudflare offers (ssl on all connections) would that be enough?
Sorry to be such a newbie but I hope you give me a hand!
Before I had all the applications on a single machine, without differentiating anything, but I had performance problems and that I cannot put port 80 for more than one subdomain … With NGINX I think that this is solved together with dividing the virtual machines into several virtual machines applications that I have to open.
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