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当客户端通过Azure负载平衡器访问CIFS共享时、CIFS访问被拒绝

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Category:
ontap-9
Specialty:
nas<a>2009年759044</a>
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适用场景

  • ONTAP 9
  • Azure负载平衡器
  • Cloud Volumes ONTAP

问题描述

挂载CIFS共享  Azure Load Balancer 有时会导致频繁出现拒绝访问问题。
  • 如果尝试  从Linux客户端挂载CIFS共享: 
mount error(13): Permission denied
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
  • 数据包跟踪显示:
  • 由于密码错误、大量会话设置请求失败

13347 2023-09-28 15:18:25.445511 10.x.x.xxx 10.y.y.yyy SMB2 442 0 Session Setup Request, NTLMSSP_AUTH, User: \xxxyy
13353 2023-09-28 15:18:25.486377 10.y.y.yyy 10.x.x.xxx SMB2 143 0 Session Setup Response, Error: STATUS_WRONG_PASSWORD

  • 一段时间后、所有CIFS会话设置请求都会直接由ONTAP融合在一起。

15251 2023-09-28 15:18:57.021952 10.x.x.xxx 10.y.y.yyy SMB2 202 0 Session Setup Request, NTLMSSP_NEGOTIATE
15252 2023-09-28 15:18:57.022256 10.y.y.yyy 10.x.x.xxx SMB2 143 0 Session Setup Response, Error: STATUS_LOGON_FAILURE

  • Secd日志记录错误:
ERR  :  Client (IP: 10.x.x.yyy) blocked due to continuous attempts with wrong password.  { in preventBogusAuthRequest() at src/authentication/secd_rpc_auth.cpp:1401 }
...
ERR  :  CIFS authentication failed { in secd_rpc_auth_extended_1_svc_secd() at src/authentication/secd_rpc_auth.cpp:1538 }

 

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