I am now going to install some additional security elements with guidance form Ubuntu Geeks.
There is some useful information here.
The ‘Perfect Server’ guide has quite a lot of security items included in the build process, but there are a number of others that may be required.
Wireshark – network traffic analyzer
I am going to start by installing Wireshark by running the following command
sudo aptitude install wireshark
See link to Wireshark users guide in blogroll
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Add a new user on server
Next I am going to add a new user ‘student’, with some additional security parameters as described and listed here:
This gives additional security as required.
davidmccarthy 