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IPID -> IP ID; admin -> administrator
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@@ -632,7 +632,7 @@ you would expect.</para>
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<option>-PP</option> and <option>-PM</option> options,
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<option>-PP</option> and <option>-PM</option> options,
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respectively. A timestamp reply (ICMP code 14) or address
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respectively. A timestamp reply (ICMP code 14) or address
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mask reply (code 18) discloses that the host is available.
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mask reply (code 18) discloses that the host is available.
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These two queries can be valuable when admins specifically
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These two queries can be valuable when administrators specifically
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block echo request packets while forgetting that other ICMP
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block echo request packets while forgetting that other ICMP
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queries can be used for the same purpose.</para>
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queries can be used for the same purpose.</para>
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@@ -1856,7 +1856,7 @@ way.</para>
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</variablelist>
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</variablelist>
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</refsect1>
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</refsect1>
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<refsect1 id='man-nse'>
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<refsect1 id='man-nse'>
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<title>NSE—Scripting extension to the Nmap network scanner<indexterm><primary>NSE</primary></indexterm></title>
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<title>Nmap Scripting Engine (NSE)<indexterm><primary>NSE</primary></indexterm></title>
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<para>
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<para>
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The Nmap Scripting Engine (NSE) combines the efficiency of Nmap's
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The Nmap Scripting Engine (NSE) combines the efficiency of Nmap's
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network handling with the versatility of the lightweight scripting language
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network handling with the versatility of the lightweight scripting language
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@@ -2619,10 +2619,10 @@ to transfer the requested file.</para>
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<para>Secure solutions to these problems exist, often in the form of
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<para>Secure solutions to these problems exist, often in the form of
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application-level proxies or protocol-parsing firewall modules.
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application-level proxies or protocol-parsing firewall modules.
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Unfortunately there are also easier, insecure solutions. Noting that
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Unfortunately there are also easier, insecure solutions. Noting that
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DNS replies come from port 53 and active FTP from port 20, many admins
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DNS replies come from port 53 and active FTP from port 20, many administrators
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have fallen into the trap of simply allowing incoming traffic from
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have fallen into the trap of simply allowing incoming traffic from
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those ports. They often assume that no attacker would notice and
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those ports. They often assume that no attacker would notice and
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exploit such firewall holes. In other cases, admins consider this a
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exploit such firewall holes. In other cases, administrators consider this a
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short-term stop-gap measure until they can implement a more secure
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short-term stop-gap measure until they can implement a more secure
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solution. Then they forget the security upgrade.
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solution. Then they forget the security upgrade.
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</para>
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</para>
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@@ -3180,7 +3180,7 @@ overwhelming requests. Specify <option>--open</option> to only see
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completion. Restrictions may prevent Nmap from being run
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completion. Restrictions may prevent Nmap from being run
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during working hours, the network could go down, the machine
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during working hours, the network could go down, the machine
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Nmap is running on might suffer a planned or unplanned
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Nmap is running on might suffer a planned or unplanned
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reboot, or Nmap itself could crash. The admin running Nmap
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reboot, or Nmap itself could crash. The administrator running Nmap
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could cancel it for any other reason as well, by pressing
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could cancel it for any other reason as well, by pressing
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<keycap>ctrl-C</keycap>. Restarting the whole scan from the
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<keycap>ctrl-C</keycap>. Restarting the whole scan from the
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beginning may be undesirable. Fortunately, if normal
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beginning may be undesirable. Fortunately, if normal
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