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why i can`t use the option --host-time
From: "liuruihong" <liuruihong () baidu com>
Date: Mon, 10 Dec 2007 21:31:13 +0800


I  ran the nmap by crontab,

My script file is:



  nmap -n -T4 --initial-rtt-timeout 1000 --host-timeout 1800000 >> result-t3


# crontab -l

21 21 * * * cd /home/liuruihong/port;./portscan-t3 


The result is :

# cat result-t3-Mon 

Nmap 3.70 Usage: nmap [Scan Type(s)] [Options] <host or net list>

Some Common Scan Types ('*' options require root privileges)

* -sS TCP SYN stealth port scan (default if privileged (root))

  -sT TCP connect() port scan (default for unprivileged users)

* -sU UDP port scan

  -sP ping scan (Find any reachable machines)

* -sF,-sX,-sN Stealth FIN, Xmas, or Null scan (experts only)




I donn`t know why?


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