Path: news.eternal-september.org!eternal-september.org!feeder3.eternal-september.org!weretis.net!feeder8.news.weretis.net!news1.tnib.de!feed.news.tnib.de!news.tnib.de!.POSTED.torres.zugschlus.de!not-for-mail From: Marc Haber Newsgroups: comp.os.linux.misc Subject: Re: Linux advocacy Date: Tue, 20 May 2025 12:20:47 +0200 Organization: private site, see http://www.zugschlus.de/ for details Message-ID: <100hl1v$3of0b$1@news1.tnib.de> References: <100c46e$3c1el$1@news1.tnib.de> <100hcra$3nsq7$1@news1.tnib.de> <100hetv$24um2$2@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Injection-Date: Tue, 20 May 2025 10:20:47 -0000 (UTC) Injection-Info: news1.tnib.de; posting-host="torres.zugschlus.de:81.169.166.32"; logging-data="3947531"; mail-complaints-to="abuse@tnib.de" X-Newsreader: Forte Agent 6.00/32.1186 Nuno Silva wrote: >On 2025-05-20, Marc Haber wrote: > >> vallor wrote: >>>On Sun, 18 May 2025 10:02:22 +0200, Marc Haber >>> wrote in <100c46e$3c1el$1@news1.tnib.de>: >>>>> As for IPV6 ... my ISP doesn't use it. NO use at all - so I disable >>>>> it to prevent problems. >>>> >>>> That's a really stupid idea. >>> >>>I suggest he enable it from time to time to see if the ISP >>>has got it working. >> >> I suggest not disabling it in in the first place. It doesn't hurt when >> it's unused and unconfigured. > >Maybe what's missing here for some of the affected people is configuring >address lookup to prefer IPv4 if they're using nameservers that return >AAAA records? An IPv4 only host will just ignore any AAAA records sent to them. Even if IPv6 is enabled but not available, the host will either immediately see that it doesn't have working IPv6, or it will go through the motions of inspecting the IPv6 routing table, finding that there is no default route and immediately jump back to the application. >(Just a wild guess, but fitting enough that it's probably a good idea to >drop this here:) > > news://news.gmane.io/m3msju6x5x.fsf@lugabout.jhcloos.org > >Although I'm not sure, from the gai.conf online manual page, that just >the mentioned line is sufficient, given it's said to disable the >"default table". I didn't test this myself. I would advise against doing this. Greetings Marc -- ---------------------------------------------------------------------------- Marc Haber | " Questions are the | Mailadresse im Header Rhein-Neckar, DE | Beginning of Wisdom " | Nordisch by Nature | Lt. Worf, TNG "Rightful Heir" | Fon: *49 6224 1600402