From owner-freebsd-questions@freebsd.org Wed Jun 19 04:42:45 2019 Return-Path: Delivered-To: freebsd-questions@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 304BF15D1CB9; Wed, 19 Jun 2019 04:42:45 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (eg.sd.rdtc.ru [IPv6:2a03:3100:c:13::5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "eg.sd.rdtc.ru", Issuer "eg.sd.rdtc.ru" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 0B7EC7464B; Wed, 19 Jun 2019 04:42:33 +0000 (UTC) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: freebsd-net@freebsd.org Received: from [10.58.0.4] ([10.58.0.4]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTPS id x5J4gOXP081759 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Wed, 19 Jun 2019 11:42:24 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: Eliminating IPv6 (?) To: "Ronald F. Guilmette" , freebsd-net , FreeBSD Questions Mailing List References: <24170.1560891451@segfault.tristatelogic.com> From: Eugene Grosbein Message-ID: <2cd79858-66a6-dedb-19b8-697d220c9986@grosbein.net> Date: Wed, 19 Jun 2019 11:42:15 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <24170.1560891451@segfault.tristatelogic.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 0B7EC7464B X-Spamd-Bar: + Authentication-Results: mx1.freebsd.org; spf=permerror (mx1.freebsd.org: domain of eugen@grosbein.net uses mechanism not recognized by this client) smtp.mailfrom=eugen@grosbein.net X-Spamd-Result: default: False [1.04 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.31)[-0.307,0]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; MX_INVALID(0.50)[greylisted]; NEURAL_SPAM_SHORT(0.75)[0.755,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[grosbein.net]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; R_SPF_PERMFAIL(0.00)[]; NEURAL_SPAM_LONG(0.19)[0.186,0]; IP_SCORE(0.00)[country: RU(0.01)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:29072, ipnet:2a03:3100::/32, country:RU]; MID_RHS_MATCH_FROM(0.00)[]; SUBJECT_HAS_QUESTION(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jun 2019 04:42:45 -0000 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. > 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.