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What are some basic DO cloud firewall rules for a web server?
I’m running a web server with a few virtual hosts.
I currently only have the ufw firewall, but I’m looking to implement a Digital Ocean cloud firewall.
However, what kind of rules do I need? I’m thinking about these inbound rules and sources:
SSH: public IP of my home network
HTTP: All IPv4, All IPv6
HTTPS: All IPv4, All IPv6
MySQL: public IP of my home network
This seems good, but the outbound rules confuse me.
Outbound rules are meant for things like apt-get? I tried running a Digital Ocean firewall without outbound rules, but my websites didn’t work anymore (or really slow) and the Digital Monitoring didn’t work as well anymore.
What kind of (outbound) rules do I need to secure my web server and keep it running well?
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