Re: security-basics@securityfocus.com

From: Ansgar -59cobalt- Wiechers (bugtraq_at_planetcobalt.net)
Date: 09/29/05

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    Date: Thu, 29 Sep 2005 14:03:17 +0200
To: security-basics@securityfocus.com

    On 2005-09-27 Lance.Druger@wellsfargo.com wrote:
    > The XP firewall is unidirectional, Trojans and viruses can communicate
    > out freely.

    You can't reliably control outbound communication. If malware wants to
    communicate outbound, it will. We have demonstrated in [1] (german page)
    how an ordinary web-browser could be turned into a remote shell by
    malware. The communication was not detected by any personal firewall.

    [1] http://copton.net/vortraege/pfw/index.html

    Regards
    Ansgar Wiechers 

    -- 
"Another option [for defragmentation] is to back up your important files,
erase the hard disk, then reinstall Mac OS X and your backed up files."
--http://docs.info.apple.com/article.html?artnum=25668
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