Scot L. Harris wrote:
Looked through the release notes and did not see anything related to
ports 5353, 50, 51, or 631.
Why is port 5353 open by default? From searching around this appears to
have something to do with multi cast DNS which seems to be tied to Apple
iTunes. I don't believe I installed anything that would need access to
Apple iTunes.
Nothing to do with ITunes per se. Google for zeroconf, for apple+bonjour
and apple+rendezvous
A lot of people are likely to want it, and most of those are not
competent to configure it.
I also don't understand why ports 50 and 51 are open. I don't plan on
setting up a VPN at the moment and I don't know why these would be open
by default on a new install.
Seems to me if you are one who's using IP6 it's something you'd want. If
there's no IP6 around in your area, I don't see a problem.
I'm also wondering about port 631 being open by default. I know this is
used for ipp printing but I have not setup this machine to provide print
services yet.
If you want to print _from_ it I suspect you'll want it. Printing works
better on my Linux boxes than from my OS X and Windows. Printers come
and go (as seen from my laptop) depending on which LAN it's on.
If you are not running CUPS, then nobody going to sucessfully send you
UDP packets tp port 631.
Is there a bugzilla entry on closing these? Or is there a reason these
ports are left open?
Open ports are perfectly secure if there's nothing listening.
ps
You didn't say what your security setting is.
--
Cheers
John
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