[Bug 3177] non-53 use of Net::DNS::Resolver fails with 4.99

Exim Bugzilla via Exim-dev <[email protected]>
Newsgroups gmane.mail.exim.devel
Message-ID <[email protected]/>
https://bugs.exim.org/show_bug.cgi?id=3177

Jeremy Harris <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 OS|Linux                       |All
           Assignee|[email protected]        |[email protected]
           Hardware|x86                         |All
             Status|NEW                         |ASSIGNED
           Priority|medium                      |low

--- Comment #1 from Jeremy Harris <[email protected]> ---
Yes, the perl module for dns resolution is diverted (both for observability and
for
regression-testing). Nonstandard port use was not a case considered.

The system resolver library API does not appear to support the case.
I suspect that trapping also the Net::DNS::Resolver->port call and
restoring the original perl use for those cases (losing the observability)
will be needed.  I am unlikely to be able to test this beyond confirming that
Exim's dns query path is not used.

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