Maintained by: NLnet Labs

[Unbound-users] TCP and/or UDP used by resolver?

Kevin Chadwick
Thu Aug 25 11:35:44 CEST 2011

On Thu, 25 Aug 2011 20:45:04 +0200
Patrik Fältström <patrik at> wrote:

> Specifically, I want to force queries over TCP. And then for example force queries over UDP with specific size of payload and other fun stuff (no fallback to TCP).

Why exactly?

Probably of no help but OpenBSD has a resolv.conf option to only use
TCP. Maybe you could hack OpenBSD to conditionally do what you want or
hack a DNS perl module.