On Tue, Sep 08, 2026 at 08:30:48AM +0100, Joe wrote: > On Tue, 8 Sep 2026 06:23:16 +0200 > Marco Moock <[email protected]> wrote: > > > Am 08.09.26 um 05:50 schrieb Vincent Lefevre: > > > On a machine without IPv6 support (IPv6 disabled in the kernel, > > > and no IPv6 addresses), how to prevent programs from using IPv6 > > > by default? > > > > Why did you do this? > > > > If there is no RA from a router, the machine only has link-local > > addresses. It will never try to use that for connections to GUA, so > > it won't be used for internet communication. > > Was that faulty in your case? > > > > No, you can disable IPv6 in the router and in the OS kernel, and some > applications will *still* try to use it, and only give up after a long > timeout.
Are you sure it is the /application/ and not the /host name/ doing it? Perhaps the resolver is returning first the AAAA record, then the A record and you might want to look into fixing that. Cheers -- t
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