From owner-freebsd-net@freebsd.org Wed Jun 19 23:32:31 2019 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8F18E15CD33C; Wed, 19 Jun 2019 23:32:31 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from gndrsh.dnsmgr.net (br1.CN84in.dnsmgr.net [69.59.192.140]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D14B4880CC; Wed, 19 Jun 2019 23:32:30 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from gndrsh.dnsmgr.net (localhost [127.0.0.1]) by gndrsh.dnsmgr.net (8.13.3/8.13.3) with ESMTP id x5JNWRQE020512; Wed, 19 Jun 2019 16:32:27 -0700 (PDT) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: (from freebsd-rwg@localhost) by gndrsh.dnsmgr.net (8.13.3/8.13.3/Submit) id x5JNWQxB020511; Wed, 19 Jun 2019 16:32:26 -0700 (PDT) (envelope-from freebsd-rwg) From: "Rodney W. Grimes" Message-Id: <201906192332.x5JNWQxB020511@gndrsh.dnsmgr.net> Subject: Re: Eliminating IPv6 (?) In-Reply-To: <42461287-c282-697e-6a21-571212dff832@grosbein.net> To: Eugene Grosbein Date: Wed, 19 Jun 2019 16:32:26 -0700 (PDT) CC: "Rodney W. Grimes" , freebsd-net , FreeBSD Questions Mailing List , "Ronald F. Guilmette" X-Mailer: ELM [version 2.4ME+ PL121h (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: D14B4880CC X-Spamd-Bar: ++ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [2.58 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.25)[-0.247,0]; FROM_HAS_DN(0.00)[]; NEURAL_SPAM_SHORT(0.96)[0.960,0]; IP_SCORE(0.04)[ip: (0.14), ipnet: 69.59.192.0/19(0.07), asn: 13868(0.05), country: US(-0.06)]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[dnsmgr.net]; AUTH_NA(1.00)[]; RCPT_COUNT_FIVE(0.00)[5]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; MX_GOOD(-0.01)[cached: gndrsh.dnsmgr.net]; NEURAL_SPAM_LONG(0.94)[0.937,0]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:13868, ipnet:69.59.192.0/19, country:US]; MID_RHS_MATCH_FROM(0.00)[]; SUBJECT_HAS_QUESTION(0.00)[] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jun 2019 23:32:31 -0000 > 19.06.2019 23:18, Rodney W. Grimes wrote: > > >> 19.06.2019 3:57, Ronald F. Guilmette wrote: > >> > >>> And god only knows how much will break once I've done that. > >> > >> IPv6 will break only. > > > > That is incorrect, scripts that would silently do nothing can > > now infact fail, trust me, first hand experience. This can > > have consequences beyong "IPv6 will break only". > > > >>> 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 ran plenty of hosts with IPv6 disabled this way and no problems observed, but this pre-dates 12.0. > > > > I've not run a userland without V6 in a long time once I started to have > > issues with some things. > > Can you give an example of such script in base system, please? > > If you have such script or binary not in our base, it's not our fault :-) That is an extremly aragant position to take. Your basically saying that only the base system scripts have to function correctly and that any script not part of the base system has no need to be supported. Go tell this to the ports people... *sigh* -- Rod Grimes rgrimes@freebsd.org