A: Yes. A full chapter is dedicated to ip6tables (the IPv6 counterpart). Many administrators forget to filter IPv6 traffic, leaving a massive security hole.
In the world of Linux, security is a top priority. One of the most powerful tools for securing your Linux system is the iptables firewall. iptables is a user-space application that allows system administrators to configure the Linux kernel firewall. In this comprehensive guide, we will cover everything you need to know about iptables and how to use it to secure your Linux system. A: Yes
Let me know how you'd like to proceed.
# Download a list of Chinese IPs (example) iptables -A INPUT -m set --match-set cn_ips src -j DROP A: Yes