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Filtered by: ipv4 Clear Filter

Welcome to the IPv4 Games

Claim The Land At Your IP I claim this land for Claim! Claim Your Land Sorry! You appear to be connecting from an IPv6 address. IPv4 Games only supports IPv4 right now. (What is this?) Top Players This hour day week month all-time (Requires JavaScript to view) Loading top players... Show All Recent Successful Claims Loading recent claims... Show All /8 Block Leaders Loading segments...

Using the Internet without IPv4 connectivity

Using the Internet without IPv4 connectivity A few days ago my ISP broke the IPv4 connectivity from my router after a power cut. Fortunately IPv6 connectivity still worked fine, but only a small fraction of websites were accessible. In this post I'll cover how Linux, WireGuard, and Hetzner came to the rescue - keeping the whole internet usable with only an IPv6 connection. Opinions expressed are solely my own and do not express the views or opinions of my employer. Background One morning I

Using the internet without IPv4 connectivity

Using the Internet without IPv4 connectivity A few days ago my ISP broke the IPv4 connectivity from my router after a power cut. Fortunately IPv6 connectivity still worked fine, but only a small fraction of websites were accessible. In this post I'll cover how Linux, WireGuard, and Hetzner came to the rescue - keeping the whole internet usable with only an IPv6 connection. Opinions expressed are solely my own and do not express the views or opinions of my employer. Background One morning I

Grokking NAT and packet mangling in Linux

grokking NAT and packet mangling in linux Source: Imgur Imagine a house full of devices connected to your Wi-Fi network. From any device, try finding your public IP by visiting https://www.whatismyip.com/. The IPv4 address field should be the same for all devices. This is the IP provided by your Internet Service Provider (ISP) to your router, which acts as a gateway for your internet. So what's happening here? If the IPv4 address is the same, how is the router able to differentiate between th