Mirroring data flows

Erik Dobák erik.dobak at gmail.com
Tue Jun 22 19:23:13 UTC 2021

On Tue, 22 Jun 2021 at 20:10, Russell Sutherland via Unbound-users <
unbound-users at lists.nlnetlabs.nl> wrote:

> I want to be able to mirror the UDP  port 53 going to my unbound instance
> for the purposes of testing out a new external DNS firewall service which
> we want eventually to start forwarding to. I want to be able to e.g.
> compare the responses with and without the service.
> I don't see any unbound feature or module to do this.  Forwarding seems to
> go to one of the external caching servers given in the forward-addr:
> section.
> Any ideas of tools which allow me to do this? I am running unbound under
> both Ubuntu 20.04 LTS as  well as OpenBSD 6.9
> Thanks in advance.
> ---
> Russell P. Sutherland            Email: russell.sutherland at utoronto.ca
> Network Engineer, I+TS       Voice: +1.416.978.0470
> 4 Bancroft Ave., Rm. 102      Cell: +1.416.803.0080
> University of Toronto
> Toronto, ON  M5S 1C1

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