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Thread: firewall in ubuntu

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  1. #1
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    firewall in ubuntu

    Hi can any one tell this old lady how to activate the fire wall in simple terms please in ubuntu.
    I have just purchased Ubuntu from your site and installed in on my lappy
    got to say im impressed with all the gagets I love it. I should mention im wireless with a router and WPA 2PSK But I feel I need some anti virus and firewall as I do all my private stuff on lappy
    Also can you tell me when you put a gaget in the launcher and it becomes full can you have another launcher and how do you do this.
    I thank you for such a great forum and hope some one can help with my issues

  2. #2
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    Re: firewall in ubuntu

    In a terminal (pressing Ctrl+Alt+t should work to open one) enter the following:

    Code:
    sudo ufw enable
    Enter your password (there will be nothing to show you are typing but it is working) and hit enter.


    404
    404

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  3. #3
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    Re: firewall in ubuntu

    How do I open a terminal dear I also forgot to say I install fire starter today and it would'nt enable so I put it in recycle bin
    I have re edited cause I've now enable the fire wall is their anything else I need to do regauding this hun
    Thank you I have many more Q to ask but not today this girl is sleepy
    Last edited by colorfultrixe; March 5th, 2012 at 09:24 PM. Reason: hope its fixed

  4. #4
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    Re: firewall in ubuntu

    There shouldn't be much more you need to do other than exercise caution regarding what sites you go to and how you store/manage you personal information. Remember, it all starts with physical security.

    Good luck and have fun!

  5. #5
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    Re: firewall in ubuntu

    Just a note: Firestarter conflicts with ufw, so it would be unwise to use both. I would suggest removing firestarter and just using ufw.
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  6. #6
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    Re: firewall in ubuntu

    Quote Originally Posted by colorfultrixe View Post
    How do I open a terminal dear I also forgot to say I install fire starter today and it would'nt enable so I put it in recycle bin
    I have re edited cause I've now enable the fire wall is their anything else I need to do regauding this hun
    Thank you I have many more Q to ask but not today this girl is sleepy
    ctrl+alt+t will open a terminal.

    If you are in 11.04 and above using unity then in the dash type terminal.

    Also you need to remove firestarter as it is an old project but more importantly it conflicts with ufw/gufw.


    read these for more information

    https://wiki.ubuntu.com/BasicSecurity

    How to setup a firewall in Ubuntu
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  7. #7
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    Re: firewall in ubuntu

    Quote Originally Posted by colorfultrixe View Post
    I have just purchased Ubuntu from your site and installed in on my lappy
    What do you mean you "purchased" it?

  8. #8
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    Re: firewall in ubuntu

    Howdy,

    Relax dude...

    Linux pretty much IS a firewall. If you did a default install, then you don't need to do anything special. You don't need to run UFW or Firestarter, or any one of a zoo of firewall scripts.

    Why? because by default, Ubuntu doesn't run any naughty services.

    So, just relax and enjoy your Ubuntu system.

  9. #9
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    Re: firewall in ubuntu

    Quote Originally Posted by HermanAB View Post
    Howdy,

    Relax dude...

    Linux pretty much IS a firewall. If you did a default install, then you don't need to do anything special. You don't need to run UFW or Firestarter, or any one of a zoo of firewall scripts.

    Why? because by default, Ubuntu doesn't run any naughty services.

    So, just relax and enjoy your Ubuntu system.
    I'd like to read more about that. Where did you get this information? Please give us some links because I can't seem to find any supporting evidence for your statements.

  10. #10
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    Re: firewall in ubuntu

    Quote Originally Posted by HermanAB View Post
    Howdy,

    Relax dude...

    Linux pretty much IS a firewall. If you did a default install, then you don't need to do anything special. You don't need to run UFW or Firestarter, or any one of a zoo of firewall scripts.

    Why? because by default, Ubuntu doesn't run any naughty services.

    So, just relax and enjoy your Ubuntu system.
    respectfully, that only pertains to the incoming side of a firewall and the "open" ports argument often used.

    Outbound rules are just as important, regardless of listening services naughty or not, application code can be exploited to bind to arbitrary ports and hackers/crackers can create reverse connections.

    Tight outbound policies can help to eliminate this.

    Security is a process not a product.
    Security is a process not a state.

    Cheers
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