Re: DNS bugs?

Jeffrey C. Ollie (jeffo@worf.netins.net)
Mon, 9 Oct 1995 15:05:22 -0500

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>>>>> "J" == Jeremy Porter <jerry@fc.net> writes:
J>
J> Actually I found the problem. It wasn't a dns lookup issue at
J> all, at least with the portmasters. It happened to be a coincidence
J> that the machines in question were running TCP mappers and the
J> DNS was not setup for the portmaster (i.e. IN-ADDR and A records).
J>
J> The error message dispalyed by the portmaster was less than
J> helpful. If I had been able to tell that it was refusing
J> connections that would have been one thing.
J>
J> An error message index indicating what the message means
J> would be helpful, or some way to get a diagnostic on the error.

Technically, your system was accepting the TCP connection. It's just
that after a short delay, TCP wrappers was closing the connection
because of the misconfigured DNS. As far as the portmaster is
concerned, this is a perfectly valid connection.

- --
Jeffrey C. Ollie
Iowa Network Services System Administrator

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