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Computer security


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#1 defurman

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Posted 29 September 2010 - 03:38 PM

I am a linux newbie and would like to know how i might make my computer more secure from unwanted attacks?

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#2 Ramchu

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Posted 29 September 2010 - 05:06 PM

Inherently Linux is more secure than Windows due to the structure of the system

There is no need for antivirus as there are no Linux viruses in the wild at this time.
Create secure passwords for both root (especially for Root ) and for the normal user account.
A secure password should have letters ( abcdef...ect) both upper case and lower case as well as numbers and symbols ( 1234...#&$@ )
stay away from words that can be found in the dictionary.......( sample password --- Zc6&#gH11pqH7) 12 characters is good 16and more is better.
Just remember that you should never run Lunux as Root, Root has administrative Privilages and you can severly damage your OS, you should always run Linux as the normal user.

WIndows has the market share of the OS's that are run on computers and those that write viruses write them for Windows .

Setup a firewall, if your OS does not have one by default, there are several good ones that you can install - if you are behind a router be sure to change the default admin. and login password also ( a router will/does also act as a firewall )

Read this for more on linux security: http://www.linuxtopia.org/LinuxSecurity/index.html

Possibly someone will come along that can give you more detailed information.

Regards,
Ramchu

Edited by Ramchu, 29 September 2010 - 05:19 PM.


#3 ice2921

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Posted 30 September 2010 - 01:31 PM

yes Linux is inherently more secure than windows, but that does not mean we throw out basic security. Most distributions now come with some sort of firewall, so you would need to research that on whatever distro you pick; furthermore if you want additional virus protection you can download avira as it runs on most linux dirstros. There are a few more antivirus programs that run on linux as well just cant think of them right now.

#4 jcrowe

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Posted 01 October 2010 - 09:58 AM

The Basics

1) Don't use the root account as your user account.
2) learn how to use SUDO.
3) lock down the unused ports.
4) don't install services you don't need.
5) Keep software and servers up to date

Some more info

http://www.infosecwriters.com/text_resourc...urityBasics.pdf
http://www.certconf.org/presentations/2006/files/RC2.pdf




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