How to tell if someone is remotely viewing your computer?

Hi everyone! newbie here. Please help me. I just want to know if it is possible that someone can remotely view your pc even if the remote settings is already disabled? Im using ubuntu 10.4 and im connected to the internet through wireless router where i share it with alot of pc. And also, can someone remotely view my pc even if the person is on another country? Please help! Thanks a lot.

-kitsune-

Read up on

How to View Remote Linux Desktop: Ubuntu Guides

and disable anything or anyone you don't want accessing your desktop.

If concerned about control

Code:

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whoami

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thanks for sharing this! anyways, Is it possible to remotely view a pc even if I already disabled the remote settings?

Quote:

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Originally Posted by kitsunechan

Is it possible to remotely view a pc even if I already disabled the remote settings?

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Anything is possible. As the saying goes, the only safe computer on the network is the one that's not connected to the network.

whew.. ahm please let me rephrase my question... how can someone remotely view a pc when the user hes trying to view has disabled the remote settings... ? we use ubuntu 10.4 and wireless connection... :( please help.

If there are any open ports or services running on your computer that allow an incoming connection, then it would be possible to gain access remotely.
I'm not a pro on the subject, and wouldn't put the information out there, anyways... to closely related to cracking.
But more detailed information is available with a few web searches.

Quote:

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Originally Posted by jayd512

If there are any open ports or services running on your computer that allow an incoming connection, then it would be possible to gain access remotely.
I'm not a pro on the subject, and wouldn't put the information out there, anyways... to closely related to cracking.
But more detailed information is available with a few web searches.

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i see.. what ports are you reffering to? can you give an example :D.. thanks a lot.

The common ports are 1 to 1024. You can test to see if any are open using "Shields Up" on gr.com.

Quote:

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Originally Posted by kitsunechan

i see.. what ports are you reffering to? can you give an example :D.. thanks a lot.

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you can get a list of open ports with :

Code:

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lsof | grep 'TCP\|UDP'

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You can get a list of the ports that various services listen on with :

Code:

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getent services

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