I'm running Dachstein & haven't changed any of the ipchains rules.  I
just ran Shields Up (https://grc.com/x/ne.dll?bh0bkyd2) to test out the
firewall.  A few questions...

1) All tested ports show up as Stealth, ie they don't respond when a
connection attempt is made from outside...  Except Port 5000 (UPnP)
which shows up as closed.  What is UPnP?  Why does this port respond?
Not a big deal, but it does show outsiders that my address has a machine
behind it.

2) My port 53 is getting whacked hard for 10-20 seconds once or twice a
day from the same group of IP's.  Anyone know what this might be?
Trying to find a bind vulnerability?  Should I bother tracking down the
IP's?

3) I also notice occasional random inbound attempts from 192.168.x.x and
10.x.x.x.  Shouldn't my ISP be preventing this sort of thing?

Thanks,
Chris



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