La disyuntiva del Perro

Merry christmast to all my friends, co-workers and blog(or sort of ;)) readers!

If for any reason at all, happens that you didn’t celebrate Christmast… well, I wish you have an incredible long weekend!!!!

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If you are a Debian unstable user, and had upgraded your system(apt-get upgrade) few days ago, you may noticed that ain’t booting anymore… :( Won’t start even in single-user mode which leaves you with very little chances to fix the problem.

This happened during last system upgrade! luckily, they have left a backup file(.bak) inside boot directory!
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NAST is a multipurpose network analyzer which unifies multiple tools in a single command. Some of them very simple and easy-to-use, while others are more complex. Allows operators to easily create traffic reports and statics.

As analyzer tool, it has many features like:

• Build LAN hosts list
• Follow a TCP-DATA stream
• Find LAN Internet gateways
• Discover promiscuous nodes
• Reset an established connection
• Perform a single half-open portscanner
• Perform a multi half-open portscanner
• Find link type (hub or switch)
• Catch daemon banner of LAN nodes

Build LAN hosts list

• Control ARP answers to discover possible ARP-spoofing
• Byte counting with an optional filter
• Write reports logging

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