Answer by mgorven for How do I disable IPv4-mapped IPv6?
This is controlled by the net.ipv6.bindv6only sysctl. Add the following to /etc/sysctl.conf and run sudo sysctl -p to effect the change. net.ipv6.bindv6only=1 Applications can also explicitly only bind...
View ArticleHow do I disable IPv4-mapped IPv6?
On my Linux box, I have various daemons which can bind to all IPv6-enabled interfaces on ::. When they do so, Linux sends IPv4 requests to that daemon mapped as, for instance, ::ffff:198.51.100.37. I...
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