Date: Wed, 19 Jun 2019 15:31:51 -0400 From: Robert Huff <roberthuff@rcn.com> To: "Rodney W. Grimes" <freebsd-rwg@gndrsh.dnsmgr.net> Cc: "Ronald F. Guilmette" <rfg@tristatelogic.com>, freebsd-net <freebsd-net@freebsd.org>, FreeBSD Questions Mailing List <freebsd-questions@freebsd.org> Subject: Re: Eliminating IPv6 (?) Message-ID: <23818.36263.312034.714296@jerusalem.litteratus.org> In-Reply-To: <201906191615.x5JGFFt7018890@gndrsh.dnsmgr.net> References: <24170.1560891451@segfault.tristatelogic.com> <201906191615.x5JGFFt7018890@gndrsh.dnsmgr.net>
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Rodney W. Grimes writes: > > And god only knows how much will break once I've done that. How many other > > people have tested -all- of the resulting binaries, seriously, on actual > > production systems? (I may be the first one ever, at least for 12.0.) > > I also agree here, running a WITHOUT_IPV6 userland is both very > painful to get built AND has issues that one does not need to face, > like I showed in another thread about netstat -6. 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? Respectfully, Robert Huff
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