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Open ports and external IP from MS servers

Posted on 2012-03-13
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Last Modified: 2012-08-13
If all your servers in your DMZ run Microsoft OS, is there anyway an admin can retreive the servers internal AND external IP address directly from the server or would they need to get this from elsewhere?

And also can you see which ports are open to the Internet from on the server itself? And can these be mapped to a running service?

Or where else would this information be found?
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Question by:pma111
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kevinhsieh earned 500 total points
ID: 37717785
To get the local IP address(es), you can run "ipconfig" from the command prompt. To see your public IP and to see which ports are open, go to http://grc.com and under Services, go to ShieldsUP! which will allow you to scan your system.

To map to a service, take the list of the open ports to the Internet, and compare them with the output of "netstat -n -b -a" from an elevated command prompt on the server. The netstat will show you every open port on the server. Unfortunately, many services map back to svchost.exe, which makes it harder to determine exactly what is listening there. Anything that shows up on your port scan should be a well known service that you've opened up through your firewalls, so you should know what service is listening by the port number.
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by:pma111
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Can the process ID be mapped to that you find in task manager > processes?

Is there any command to dump that task manager processes tab via a command prompt command?
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by:kevinhsieh
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if you do netstat -o, the PID of the process is included. tasklist will output the running processes, including PID.
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by:pma111
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Is there anyway to get processes list from task manager out into in a txt document via a command or similar if theres loads running, or is screenshots the only way?
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by:kevinhsieh
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tasklist shows the same information as task manager. To get the output from any command line program to a .txt file, append ' > filename.txt' to create/overwrite to filename.txt. ' >> filename.txt' will append the output to filename.txt while preserving the existing contents of the file.
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