Eliminating IPv6 (?)

Robert Huff roberthuff at rcn.com
Thu Jun 20 02:58:08 UTC 2019

Rodney W. Grimes writes:

>  > 	Wider question:
>  > 	Say I'm running a system with both IPv4 and IPv6 enabled.
>  > 	Stuff Happens(tm) and I want to completely disable IPv6 for some
>  > indefinite but temporary period - not chamge any configuration
>  > settings or firewall rules, but just have the code finish processing
>  > current packets (or not) and then ignore further traffic.  There will
>  > be consequences; I'm prepared to accept them.
>  > 	Is there a single master switch - a sysctl, perhaps, or something
>  > in /etc/rc.d - that lets me do that?
>  You do raise a very valid point.
>  ipfw add 1 deny ipv6 from any to any
>  That is about the only "master" switch I can think of that would
>  be very effective.

	Ywah ... but that violates the initial constraint.


				Robert Huff

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