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. -- Joe

