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I work in a restrictive desktop/network environment and I am not an admin on my laptop. The ports available to me are limited. E.g. when I tried running Tomcat, the system refused to open a socket on the port for which Tomcat was asking.

However, some port ranges are obviously open as I can, for example, use the internet, network, and connect to Unix boxes using SSH. When I was on the Unix box, I used netstat to find out from which ports my IP made multiple connections. Then I tried to write a Java program to open a port in that ballpark (51K range) and it succeeded. On another random port (e.g. in the 4000 range) I could not mount a socket.

So my question is this: how can I get a listing of the security policy on my laptop, even if it is read-only, so I can see which ports are available to me and which are not?

Thanks

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Either of these should help:

http://www.portdetective.com

http://www.auditmypc.com/firewall-test.asp

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isn't there a flat file on the system where i can get this listing? i can get in trouble trying to use those web apps. –  amphibient Oct 3 '12 at 18:50
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The blocks are most likely at the network level, as configured by the admin. If these apps might get you into trouble and you have a legit reason for wanting this info., why not just ask your n/w admin to give you a list? –  Karan Oct 3 '12 at 21:38
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