Hi. On Fri, Apr 15, 2022 at 07:32:01PM +0800, wilson wrote: > What's the good way to disable IPv6 in a debian system? The most non-intrusive way of doing it (side effects considered) is: /sbin/sysctl -w net.ipv6.conf.default.disable_ipv6=1 /sbin/sysctl -w net.ipv6.conf.lo.disable_ipv6=0 Reco