Instructions on how to disable IPv6 in Armbian, specifically for use with an ADS-B host. Includes commands for editing configuration files and rebooting.
```
sudo -s
# sed -i "$ a\ipv6.disable=1" /boot/armbianEnv.txt
# echo "blacklist ipv6 > /etc/modprobe.d/no-ipv6.conf
# echo "net.ipv6.conf.all.disable_ipv6 = 1" > /etc/sysctl.d/no-ipv6.conf
# sed -i "/::/s/^/# /" /etc/hosts
# reboot
```
```
sudo -s
# sed -i "$ a\ipv6.disable=1" /boot/armbianEnv.txt
# echo "blacklist ipv6 > /etc/modprobe.d/no-ipv6.conf
# echo "net.ipv6.conf.all.disable_ipv6 = 1" > /etc/sysctl.d/no-ipv6.conf
# sed -i "/::/s/^/# /" /etc/hosts
# reboot
```
An IETF draft proposes allocating the 44::/16 IPv6 block (about 2^112 addresses) to the amateur radio community, echoing the historic 44/8 IPv4 allocation, and raises questions about internet governance and policy.
