Network Scanning through Apple Airport

[ptinstructor at gmail.com (gold flake)]

We had a similar situation, only the ports were different.  A little
bit of digging brought out that the ISP was doing some kind of
proxying and these ports were opened on their end and would show up
opened on all devices we scanned. Changing the scanning from a
different ISP showed none of these ports opened.


> > On 11 April 2010 02:57, Craig Freyman <craigfreyman at gmail.com> wrote:
> > > I've noticed that doing NMAP scans through my Apple Airport router gives
> > > false positives on every device it scans. For some reason it thinks that
> > > ports 21, 554 and 7070 are open on every device. Any ideas what this is?
> > > I've only found this
> > > http://discussions.apple.com/thread.jspa?threadID=2047569 but no
> > > solution
> > > yet.