So I have a server with 1 interface "Eth0" and that interface has 2 IP's
192.168.0.10 -> Apache2
192.168.0.20 -> NginX
They share the same default gateway.
How can I make Firewall rules for each individual IP?
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Have you read the manual of `ufw`? What have you tried? – vidarlo Sep 13 '22 at 17:16
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Use iptables or nftables directly. Its easier to undestand then ufw or firewalld bullshit – gapsf Sep 13 '22 at 18:29
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You don't need configure firewall to do this. You need edit configs your web-servers to tell them which ip they should listen.
For apache2 edit /etc/apache2/ports.conf like this:
Listen 192.168.0.10:80
For nginx edit /etc/nginx/sites-enabled/default or other file with server { } like this:
server {
listen 192.168.0.20:80 default_server;
Then restart your web-servers:
sudo systemctl restart apache2.service
sudo systemctl restart nginx.service
Now you can check which ip listen by each server:
sudo netstat -tulpn | grep 80
sudo ss -tulpn | grep 80
