nmap扫描器

nmap扫描器,可以做多种扫描。
扫描一个网段:

  1. root@debian:~# nmap -sP 218.104.138.0/24
  2.  
  3. Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2009-01-31 19:18 CST
  4. Host 218.104.138.1 appears to be up.
  5. Host 218.104.138.2 appears to be up.
  6. Host 218.104.138.7 appears to be up.
  7. Host 218.104.138.17 appears to be up.
  8. Host 218.104.138.18 appears to be up.
  9. Host 218.104.138.23 appears to be up.
  10. Host 218.104.138.25 appears to be up.
  11. Host 218.104.138.31 appears to be up.
  12. Host 218.104.138.33 appears to be up.
  13. Host 218.104.138.36 appears to be up.
  14. Host 218.104.138.39 appears to be up.
  15. Host 218.104.138.41 appears to be up.
  16. Host 218.104.138.42 appears to be up.
  17. Host 218.104.138.47 appears to be up.
  18. Host 218.104.138.65 appears to be up.
  19. Host 218.104.138.66 appears to be up.
  20. Host 218.104.138.67 appears to be up.
  21. Host 218.104.138.77 appears to be up.
  22. Host 218.104.138.78 appears to be up.
  23. Host 218.104.138.79 appears to be up.
  24. Host 218.104.138.81 appears to be up.
  25. Host 218.104.138.95 appears to be up.
  26. Host 218.104.138.97 appears to be up.
  27. Host 218.104.138.103 appears to be up.
  28. Host 218.104.138.105 appears to be up.
  29. Host 218.104.138.111 appears to be up.
  30. Host 218.104.138.113 appears to be up.
  31. Host 218.104.138.119 appears to be up.
  32. Host 218.104.138.129 appears to be up.
  33. Host 218.104.138.166 appears to be up.
  34. Host 218.104.138.191 appears to be up.
  35. Host 218.104.138.205 appears to be up.
  36. Host 218.104.138.207 appears to be up.
  37. Host 218.104.138.250 appears to be up.
  38. Nmap finished: 256 IP addresses (34 hosts up) scanned in 16.151 seconds
  39. ?>

扫描出34台存活的主机.

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