The attackers are so determined they are asking everybody on the planet to download this program called Low Orbit Ion Canon (LOIC) and launch it against Amazon. In this post, we (UNIXY) will share a flaw in the program that we think can be used to mitigate the attack.

We were able to install DirectAdmin (a Web hosting control panel) on Amazon’s Elastic Compute Cloud, branded as EC2. We would like to share the steps required to build a working instance of DirectAdmin on an Amazon server.

If you attempt to store a file larger than roughly 5GB, the Amazon service will generate the following error and fail to store the file: <Error><Code>EntityTooLarge</Code><Message>Your proposed upload exceeds the maximum allowed object size</Message><ProposedSize>6091682399</ProposedSize><MaxSizeAllowed>5368709120</MaxSizeAllowed></Error> One way around this limitation is use the GNU/Linux command split to divide the file into several smaller chunks, which are [...]

A customer wanted Amazon’s S3 tools installed on his Centos 5.3 server in order to backup important files off-network. The task is straight forward as it requires installing the usual Ruby interpreter, tools, and Gems. But as it turned out, cPanel appends an exclude line in /etc/yum.conf to prevent installing anything related to Ruby: exclude=apache* [...]

April 11, 2009 ? Tags: , , , , , ? Posted in: Crash CourseOne Comment
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