When Updates Fail

[/dev/ph0b0s]

On 01/07, Martin McCormick wrote:
> 	Is there any way to tell what is actually being sent to
> bind when attempting a dynamic update?

tcpdump?

> 	I have a perl script which is obviously broken because
> every forward update it tries to send fails.
> 
> 07-Jan-2014 15:38:09.458 client 192.168.1.5#17352: request has invalid signature: TSIG ns: tsig verify failure (BADKEY)
> 
> 	The key is actually one we use all the time for
> nsupdates and they are still working fine. For all I know, I am
> sending a null string due to a typo I haven't noticed yet but
> the zone name and key look okay when single-stepping through the
> script. Heaven only knows what is actually being received by
> bind. Is there any way to narrow down wht part of the request is
> broken/missing?