How to ban incoming Russian IP addresses on our servers?
Option 1:
https://www.countryipblocks.net/acl.php
[x] Russia, (x) CIDR, [ Copy to Clipboard ]
Paste as `/etc/ips_blocklist` and then in the firewall (e.g. pf)
table <blocklist> file "/etc/ips_blocklist"
block in quick from <blocklist>