Diagnose co-location networking problem

[. at babolo.ru]

> On Wed, Dec 27, 2006 at 10:08:25PM -0800, Stephan Wehner wrote:
...
> Oh, also, going back to the 198.168 address seen in the client dumps,
> it's clear that you're going through a NAT firewall or VPN or something
> on the way to your server.  Thus are you able to reproduce this problem
> from a different external network?  
> 
> Actually, I just realized that you've provided enough information for me
> to run this test myself which I've now done.  I ran the following test;
> 
>        i=0; while true; do ((i++)); echo $i; curl http://stbgo.org > /dev/null; done
> 
> I was able to make over 64 consecutive connections without a single failure
> before I stopped the test (didn't want to spam your site).  How sure
> are you that this isn't a client-side problem?
/usr/ports/net/scand/ designed for such a problem
on client side when overactive.