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Thread: Apt Authentication issue

  1. #1
    Join Date
    Dec 2007
    Beans
    28

    Thumbs down Apt Authentication issue

    Hi guys

    I receive this message when I login to my system :



    Apt Authentication issue
    The package list update failed with a authentication failure. This usually happens behind a network proxy server. Please try to click on the "Run this action now" button to correct the problem or update the list manually by running Update Manager and clicking on "Check".

    I believe that my isp trying to fool me to get some malicious software installed on my system through altering some software that I should get for upgrade, what counter actions can I do ? where can I find the temporary list to compare the fake list to the original list and find the difference ??

    Note : I don't use a proxy at all !
    Last edited by secure bit; June 10th, 2008 at 03:47 PM.

  2. #2
    Join Date
    Sep 2007
    Beans
    75

    Re: Apt Authentication issue

    Run sudo apt-get update in a terminal and copy and paste the output here.

  3. #3
    Join Date
    Sep 2006
    Beans
    Hidden!
    Distro
    Ubuntu 7.04 Feisty Fawn

    Re: Apt Authentication issue

    Possibly you have added third party repository in your apt configuration,

    Please paste contents of /etc/apt/sources.list file

    Thanks


    Quote Originally Posted by secure bit View Post
    Hi guys

    I receive this message when I login to my system :



    Apt Authentication issue
    The package list update failed with a authentication failure. This usually happens behind a network proxy server. Please try to click on the "Run this action now" button to correct the problem or update the list manually by running Update Manager and clicking on "Check".

    I believe that my isp trying to fool me to get some malicious software installed on my system through altering some software that I should get for upgrade, what counter actions can I do ? where can I find the temporary list to compare the fake list to the original list and find the difference ??

    Note : I don't use a proxy at all !

  4. #4
    Join Date
    Dec 2007
    Beans
    28

    Re: Apt Authentication issue

    this is part of update process :

    Get:5 http://archive.ubuntu.com hardy-updates/restricted Sources [906B]
    Get:6 http://archive.ubuntu.com hardy-updates/universe Packages [42.2kB]
    Get:7 http://archive.ubuntu.com hardy-updates/universe Sources [7036B]
    Get:8 http://archive.ubuntu.com hardy-updates/multiverse Packages [7687B]
    Get:9 http://archive.ubuntu.com hardy-updates/multiverse Sources [1433B]
    Hit http://archive.ubuntu.com hardy-security/main Packages
    Hit http://archive.ubuntu.com hardy-security/restricted Packages
    Hit http://archive.ubuntu.com hardy-security/main Sources
    Hit http://archive.ubuntu.com hardy-security/restricted Sources
    Hit http://archive.ubuntu.com hardy-security/universe Packages
    Hit http://archive.ubuntu.com hardy-security/universe Sources
    Hit http://archive.ubuntu.com hardy-security/multiverse Packages
    Hit http://archive.ubuntu.com hardy-security/multiverse Sources
    Fetched 394kB in 3min32s (1860B/s)
    W: GPG error: http://archive.ubuntu.com hardy-updates Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>

  5. #5
    Join Date
    Nov 2007
    Location
    New Zealand
    Beans
    1,026
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Apt Authentication issue

    This bug report should help you.

    https://bugs.launchpad.net/ubuntu/+s...ger/+bug/24061

    Note the last few comments that talk about a work around

  6. #6
    Join Date
    Dec 2007
    Beans
    28

    Re: Apt Authentication issue

    Note : when I try sudo apt-get update from another isp I get no error message !

    its clear that this is in purpose

    where can I find exactly the milicious part in the package list ?

  7. #7
    Join Date
    Dec 2007
    Beans
    28

    Re: Apt Authentication issue

    Quote Originally Posted by tinny View Post
    This bug report should help you.

    https://bugs.launchpad.net/ubuntu/+s...ger/+bug/24061

    Note the last few comments that talk about a work around
    the answer was :

    By simply waiting. This happens at times during archive updates.
    the problem isn't the update time

    my current isp every time I MUST get the error, once I take my computer to another isp I get no problem !

  8. #8
    Join Date
    Nov 2007
    Location
    New Zealand
    Beans
    1,026
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Apt Authentication issue

    the problem isn't the update time
    .

    True.

    If you had read the whole bug report you will see its a caching issue between a Ubuntu install and the repositories.

    I believe that this error is caused by a caching proxy which returns stale files, instead of actually retrieving the latest files from the mirror and returning that. In my case, it is a transparent squid proxy.
    This can be some sort of proxy your ISP may have in place (doesn't have to be your proxy) or anywhere else on the route between you and the repositories.

    Reading the bug report further will also describe the work around for you.

  9. #9
    Join Date
    Dec 2007
    Beans
    28

    Re: Apt Authentication issue

    thank you tinny

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