Re: Resolver error while parsing DNS replies

On Fri, 2008-05-23 at 17:35 -0700, isb wrote:

> I am trying to replay a trace using Polygraph. I am seeing this error
> when Polygraph's DNS resolver fails to parse DNS replies on certain
> lookups:
>
> DnsXact.cc:94: error: 256/256 (c94) failed to parse DNServer response
>
> In my limited tests, it seems to fail when CNAME records are returned
> in the reply. It also fails on certain other replies. Is this a known
> limitation?

Yes, it is a known limitation. Polygraph does not know how to deal with
CNAME and other non-IP responses.

> If so, are there any plans to fix it?

It would be nice to add such support, but it is currently only a wish
list item: http://www.web-polygraph.org/support/wishes.html

Alex.

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Received on Tue May 27 2008 - 13:10:47 MDT