Samhain is a file system integrity checker that can be used as a client/server application for centralized monitoring of networked hosts. Databases and configuration files can be stored on the server. Databases, logs, and config files can be signed for tamper resistance. In addition to forwarding reports to the log server via authenticated TCP/IP connections, several other logging facilities (e-mail, console, and syslog) are available. Tested on Linux, AIX, HP-UX, Unixware, Sun and Solaris.
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This tutorial will attempt to show the reader the basics of stack overflows and explain some of the protection mechanisms present in modern linux distributions.
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The microblogging service at Twister.net suffers from multiple information disclosure issues related to errors. The researcher has contacted the vendor but they have not responded nor addressed the issues.
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