Mitigating DDoS attacks

Lately, DDoS attacks have been in the news more than I was hoping for. It seems that the botnets or other methods that are used to generate high-volume traffic to a legitimate service are becoming more and more easy to get and direct. At the time that I'm writing this …

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Comparing performance with sysbench: memory, threads and mutexes

In the previous post, I gave some feedback on the cpu and fileio workload tests that sysbench can handle. Next on the agenda are the memory, threads and mutex workloads.

When using the memory workload, sysbench will allocate a buffer (provided through the --memory-block-size parameter, defaults to 1kbyte) and each …

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Another Gentoo Hardened month has passed

Another month has passed, so time to mention again what we have all been doing lately ;-)

Toolchain

Version 4.8 of GCC is available in the tree, but currently masked. The package contains a fix needed to build hardened-sources, and a fix for the asan (address sanitizer). asan support in …

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