If you have 40-50 large clients running dynamic website on php on a single server, or you have a high-traffic php-based website serving thousands of pages a day. Performance will hit a serious speed bump. One of the many things you can do, apart from expanding your server, is to use php-opcode cacher like x-cache. [...]

You can read the latest release of the underground magazine Phrack from their website. For those among us who are not very familiar with phrack or underground magazine scene. Phrack has been around since 1985, well over 20 years, and has been the leading underground hacking/cracking ezine out there. Some notable facts about phrack (taken [...]

Wireshark, the most popular network protocol analysis tool has finally turned to version 1.0. This released version is not much different than the previous version 99.8 released in Feb 27. Apart from some cosmetic improvement from the previous version this version includes an experimental Mac OS X package. You can download wire shard 1.0 from [...]

Quite a while ago I showed how to hide your files with steghide, a tool used to embed information into a jpeg image file. Today I will show you how to detect a file already “stegged” without prior knowledge and possible extract the information from the image file.
For this demo, we will use a tool [...]