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[actionparsnip <question76449@xxxxxxxxxxxxxxxxxxxxx>]

Question #76449 on eog in ubuntu changed:
https://answers.launchpad.net/ubuntu/+source/eog/+question/76449

    Status: Open => Answered

actionparsnip proposed the following answer:
sudo is a way for users to run apps with elevated priveledges for one
shot, allowing all other apps to be ran as user and therefore more
securely as users access is restricted.

To disable root run:
sudo passwd -l root

root is a user account. sudo is a program

The attacker is someone trying to compromise your system via any means
available. Running all apps as user reduce the access the attatcker will
gain as well as the damage that can be done.

The attacks can be circumvented processes or malicious code running via
flash / jave etc or indeed embedded into files

Firestarter does not need ot run at startup, iptables is the firewall
and firestarter is merely a gui to help configure iptables.

Anything else you'd like me to clear up?

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