Tag Archives: Security

an unwanted honeypot for hackers: “y2kupdate”

Lazyness combined with too much work often causes very bad sideeffects … The following story happened due to my very own lazyness (or maybe even call it crazyness …): After setting up a Debian Lenny KVM guest on one of our servers, I had to do some tests on it before making it available to Continue Reading →

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SVN authentication with client SSL X.509 certificates and apache 2.2

We recently moved our subversion repository to a new, now dedicated server. In that course I found it reasonable to streamline our old configuration how authentication and authorization against the repository is done. Previously, our users were primarily authorized to access the repository using their X.509 certificates. After authorization took place, they were authenticated and Continue Reading →

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real time encrypted directories in Mandriva 2009.1

Data encryption is no obscure thing only secret agents and computer experts should know about but instead be a fundamental precausion against theft of the storage medium or even the entire computer you have stored your personal data upon. The choices are many in Linux, ranging from creating dedicated partions to encrypted directories and finally Continue Reading →

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“net anonymity” vs. “fight against child pornography”

IT security is my daily business and so, amongst other things, I am very interested in state of the art technologies applicable also for the “greater” public. The torproject [1] provides not only “security for the masses” but also “anonymity for the masses”. Anybody using the tor network infrastructure is “safe against eavesdropping”, given todays Continue Reading →

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Linksys RVS4000 telnet madness

Our company’s network access is implemented by an ordinary DMZ style configuration, with one firewall being directly at the outside and one internal firewall shielding the internal net from the DMZ. For various reasons we had to replace our internal firewall and decided to go with the (affordable) Linksys RVS4000 [1], mostly because it runs Continue Reading →

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