You can use the current generation of network-analysis tools to test your own network both inside and outside your firewall. In the resulting furore Farmer lost his job, but the foundations for a new class of security tools had been laid. Panicked articles focused on the tool's name and declared that it was a tool for hackers, completely forgetting that SATAN was actually a tool to help stop crackers breaking into systems and that all it did was bundle up existing black-hat tools for over-worked system administrators. No one had seen a tool like this before – especially one this easy to use. The result of SATAN's investigation was a comprehensive report that detailed where the problems were and how to fix them. Administrators could load it onto a Unix machine and let it rip, delving into holes that even the most diligent network engineers had forgotten to patch. Written in the mid-1990s by Farmer and IBM security guru Wietse Venema, SATAN bundled up a whole raft of network vulnerability testing tools into one package. You don't need to hire a professional to break into your network – there's software out there that will do it for you in the shape of network-analysis tools.ĭan Farmer's SATAN (Security Administrator Tool for Analysing Networks) was one of the first of these tools.
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