[Ti] Privacy

[Kynan Shook]

Or probably easier for people to access and use; the Network Utility in 
OS X (in /Applications/Utilities).  Click on the Port Scan tab, type 
"localhost" and uncheck the "Only test..." box, and scan.  A few ports 
will always be open; 631 on 10.2.x, for example, allows access to 
configure CUPS printing, and 1033 is there for NetInfo.  These two, 
however, are only open to your own computer-localhost just loops your 
computer back to itself.  If you want a slightly more accurate port 
scan, you can look in the TCP/IP tab of the Network preference pane for 
your IP address, and type that in the box instead of localhost.  You 
can also type another computer's IP address, though it's best if you 
own the other computer; it is generally frowned upon to port scan 
somebody else's computer without their permission.

Let it run for at least 5 minutes or so to let it get sufficiently 
high, there's usually nothing over about 10,000 that's open, though you 
can choose to let it run for a long time until it says "Port Scan 
Completed".  Then, once you're done, head over to 
<http://www.iana.org/assignments/port-numbers> and look up all the 
services that are running on your computer.  Personally, in addition to 
the two I listed above, I also have 80 (for my personal web server) and 
3689 (iTunes music sharing) open, though since my network is done with 
NAT, I'm not at risk of anything.  Since I keep good control over the 
web server and such, it doesn't bother me much even when I'm not behind 
my router.  These two ports are the ONLY two that show up if I use my 
IP address instead of localhost.

kerem unal <k_unal at freesurf.ch> writes:
> May I suggest the use of a less OS dependent tool like nmap ???
>


Kynan Shook
kshook at mac.com
http://homepage.mac.com/kshook/index.html