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Footprinting is the technique of gathering information about computer systems and the entities they belong to. This is done by employing various computer security techniques, as: *DNS queries *Network enumeration *Network queries *Operating system identification *Organizational queries *Ping sweeps *Point of contact queries *Port Scanning *Registrar queries (WHOIS queries) *SNMP queries *World Wide Web spidering When used in the computer security lexicon, "Footprinting" generally refers to one of the pre-attack phases; tasks performed prior to doing the actual attack. Some of the tools used for footprinting are Sam Spade, nslookup, traceroute, Nmap and neotrace. ==Introduction== Footprinting is when information about a particular computer, and its related users and systems, is gathered together. To get this information, a hacker might use various tools and technologies. This information is very useful to a hacker who is trying to crack a whole system – not just an email account or a bank accounty finding out everything a system does and has on it, the hacker can become an extremely powerful attacker. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Footprinting」の詳細全文を読む スポンサード リンク
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