IPv4 vs IPv6: What Is the Difference?
IPv4 and IPv6 use different address sizes and formats. Learn why both exist, how dual stack works, and what the change means for everyday internet use.
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Tagged LibreGuard articles
What Is NAT? Network Address Translation Explained
Learn what network address translation (NAT) does, why home routers use it, how ports fit in, and why NAT is not the same thing as a firewall.
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Public IP vs Private IP: What Is the Difference?
Learn the difference between public and private IP addresses, which IPv4 ranges are private, why routers use NAT, and how your devices reach the internet.
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