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Barracuda NextGen Firewall X

MSAD Authentication doesn't work when the users access is restricted to a special client

  • Type: Knowledgebase
  • Date changed: one year ago
Solution #00005231 
This solution replies to:
- NG Firewall firmware versions 4.2.x, 5.0.x, 5.2.x
- netfence firmware versions 4.2.x


The user can't authenticate on the Microsoft Active Directory. You will see the following lines in the "Log" > "Box" > "Control" > "phibs.log":


  ID-39593-1213960046-1: Request: type=userauthex user=user03 service= scheme=msad
  ID-39593-1213960046-1: Result: "Authentication failed" (2); Server: farnsworth
  ID-39593-1213960046-1: Reply: type=userauthex user=user03 service= result = Fail (Authentication failed)


The phibs-deamon authenticates the user with ldap towards the active director. Then in this special configuration the domain controller refuses the user authentication.


User authentication towards the MSAD ist not possible when the users access is restricted to a special client. You have to change the user authentication settings in the MSAD to "all computers".



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