[dnsdist] why do I have to add an \0x13 to the DNS name when using the expungeByName cache command?

Remi Gacogne remi.gacogne at powerdns.com
Thu Apr 6 07:58:23 UTC 2017

Hi Seth,

On 04/06/2017 01:49 AM, Seth Orstein wrote:
> I find that to use the expungeByName cache command in dnsdist I have to
> end the name with \013,  why is this?
> An example that works would be:
> getPool("mainpool"):getCache():expungeByName(newDNSName("google.com
> \013"))
> If I leave out the ending \013 in the DNS name, like so:
> getPool("mainpool"):getCache():expungeByName(newDNSName("google.com
> "))
>  the entry is not deleted from the cache.

Well, it should. I just tried with dnsdist git master on Arch and it
works as expected without the "\013" (and doesn't work _with_ the
"\013"). Would you mind sharing the exact version you are running and on
which OS?


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