Am Thu, Oct 20, 2022 at 01:23:47PM +0200 schrieb Ondřej Surý: > did you try writing to elbrev.com <http://elbrev.com/> operators to fix their > servers to stop breaking DNS protocol? It often helps. (I'm ccing the contact > in their SOA records, so let's see if anything happens.) > > It's not lack of EDNS0 support, but they fail to properly process unknown > EDNS0 options - DNS Cookie in this specific example:
Hi Ondřej, thanks for your quick reply and analysis regarding DNS cookies. Is there maybe an option to configure 9.18 to act as if it was 9.16 in this regard? Honestly I haven't contacted the elbrev.com people (see below). > > Of course I would prefer to upgrade back to 9.18.X, but I guess I won't be > > able to find all EDNS0 incompatible servers and loosing customers to > > 8.8.8.8 - which is able to resolve these names.. > This is kind of moot argument - the DNS needs to evolve, and it can't evolve > if we keep supporting broken stuff. This needs to be fixed on the > authoritative operator side, not in BIND 9. You're absolutely right. I guess I've just kind of given up on convincing other people the fix their stuff (dayjob trauma). Sorry about that. -- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
