In article <20040901220547.GB28724@endersgame.net>,
	Sean Davis <dive-nb@endersgame.net> writes:
> The same thing happens with active FTP.

Which makes it more likely that the ftp proxy isn't the culprit.

> Only since switching to a sparc64

Did you really use exactly the same kernel version before? IPFilter 4.1.3
was imported recently. So you might experience this problem because of
that and not because you are now using NetBSD-sparc64.

> If you have a more likely suggestion as to where the problem is,
> I'm all ears.

It sounds more like:

*26581: IPF blocks legitimate packets due to incorrect TCP window check

	Kind regards

-- 
Matthias Scheler                                  http://scheler.de/~matthias/