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Null sessions are un-authenticated connections (not using a username or password.

Null sessions are un-authenticated connections (not using a username or password.) to an NT or 2000 system. Which TCP and UDP ports must you filter to check null sessions on your network?

A.

137 and 139

B.

137 and 443

C.

139 and 443

D.

139 and 445

ECCouncil 312-50v13 Summary

  • Vendor: ECCouncil
  • Product: 312-50v13
  • Update on: Dec 16, 2025
  • Questions: 693
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