有个韩国的IP一直在试探我机器帐户的口令。如何与之通信？

text2002

他想做什么 我只知道的他的IP，可以与之通信吗？就象局网中的 net send一样。我扫描了他的主机，发现漏洞有一打。

1. 
   
2. ......
   
3. Aug 16 18:54:00 OUT sshd[20845]: error: Could not get shadow information for NOUSER
   
4. Aug 16 18:54:00 OUT sshd[20845]: Failed password for illegal user test from 193.194.80.194 port 56316 ssh2
   
5. Aug 16 18:54:09 OUT sshd[20847]: Illegal user guest from 193.194.80.194
   
6. Aug 16 18:54:09 OUT sshd[20847]: error: Could not get shadow information for NOUSER
   
7. Aug 16 18:54:09 OUT sshd[20847]: Failed password for illegal user guest from 193.194.80.194 port 56373 ssh2
   
8. Aug 16 19:03:17 OUT sshd[20853]: Illegal user test from 203.251.69.201
   
9. Aug 16 19:03:17 OUT sshd[20853]: error: Could not get shadow information for NOUSER
   
10. Aug 16 19:03:17 OUT sshd[20853]: Failed password for illegal user test from 203.251.69.201 port 1464 ssh2
    
11. Aug 16 19:03:18 OUT sshd[20855]: Illegal user guest from 203.251.69.201
    
12. Aug 16 19:03:18 OUT sshd[20855]: error: Could not get shadow information for NOUSER
    
13. Aug 16 19:03:18 OUT sshd[20855]: Failed password for illegal user guest from 203.251.69.201 port 1527 ssh2
    
14. Aug 16 19:03:20 OUT sshd[20857]: Illegal user admin from 203.251.69.201
    
15. Aug 16 19:03:20 OUT sshd[20857]: error: Could not get shadow information for NOUSER
    
16. Aug 16 19:03:20 OUT sshd[20857]: Failed password for illegal user admin from 203.251.69.201 port 1587 ssh2
    
17. Aug 16 19:03:21 OUT sshd[20859]: Illegal user admin from 203.251.69.201
    
18. Aug 16 19:03:21 OUT sshd[20859]: error: Could not get shadow information for NOUSER
    
19. Aug 16 19:03:21 OUT sshd[20859]: Failed password for illegal user admin from 203.251.69.201 port 1641 ssh2
    
20. Aug 16 19:03:21 OUT sshd[20861]: Illegal user user from 203.251.69.201
    
21. Aug 16 19:03:21 OUT sshd[20861]: error: Could not get shadow information for NOUSER
    
22. Aug 16 19:03:21 OUT sshd[20861]: Failed password for illegal user user from 203.251.69.201 port 1688 ssh2
    
23. Aug 16 19:03:22 OUT sshd[20863]: Failed password for root from 203.251.69.201 port 1719 ssh2
    
24. Aug 16 19:03:23 OUT sshd[20865]: Failed password for root from 203.251.69.201 port 1762 ssh2
    
25. Aug 16 19:03:24 OUT sshd[20867]: Failed password for root from 203.251.69.201 port 1818 ssh2
    
26. Aug 16 19:03:25 OUT sshd[20869]: Illegal user test from 203.251.69.201
    
27. Aug 16 19:03:25 OUT sshd[20869]: error: Could not get shadow information for NOUSER
    
28. Aug 16 19:03:25 OUT sshd[20869]: Failed password for illegal user test from 203.251.69.201 port 1867 ssh2
    
29. Aug 16 19:03:46 OUT sshd[20871]: Illegal user test from 203.251.69.201
    
30. Aug 16 19:03:46 OUT sshd[20871]: error: Could not get shadow information for NOUSER
    
31. Aug 16 19:03:46 OUT sshd[20871]: Failed password for illegal user test from 203.251.69.201 port 2878 ssh2
    
32. Aug 16 19:03:47 OUT sshd[20873]: Illegal user guest from 203.251.69.201
    
33. Aug 16 19:03:47 OUT sshd[20873]: error: Could not get shadow information for NOUSER
    
34. Aug 16 19:03:47 OUT sshd[20873]: Failed password for illegal user guest from 203.251.69.201 port 2937 ssh2
    
35. Aug 16 19:03:48 OUT sshd[20875]: Illegal user admin from 203.251.69.201
    
36. Aug 16 19:03:48 OUT sshd[20875]: error: Could not get shadow information for NOUSER
    
37. Aug 16 19:03:48 OUT sshd[20875]: Failed password for illegal user admin from 203.251.69.201 port 2982 ssh2
    
38. Aug 16 19:03:49 OUT sshd[20877]: Illegal user admin from 203.251.69.201
    
39. Aug 16 19:03:49 OUT sshd[20877]: error: Could not get shadow information for NOUSER
    
40. Aug 16 19:03:49 OUT sshd[20877]: Failed password for illegal user admin from 203.251.69.201 port 3048 ssh2
    
41. Aug 16 19:03:50 OUT sshd[20879]: Illegal user user from 203.251.69.201
    
42. Aug 16 19:03:50 OUT sshd[20879]: error: Could not get shadow information for NOUSER
    
43. Aug 16 19:03:50 OUT sshd[20879]: Failed password for illegal user user from 203.251.69.201 port 3089 ssh2
    
44. Aug 16 19:03:51 OUT sshd[20881]: Failed password for root from 203.251.69.201 port 3131 ssh2
    
45. Aug 16 19:03:52 OUT sshd[20883]: Failed password for root from 203.251.69.201 port 3170 ssh2
    
46. Aug 16 19:03:52 OUT sshd[20885]: Failed password for root from 203.251.69.201 port 3216 ssh2
    
47. Aug 16 19:03:53 OUT sshd[20887]: Illegal user test from 203.251.69.201
    
48. .......
    

复制代码

好好先生

如果漏洞一打的话,说不定是别人的肉鸡,你与他通信又有什么用?