Zonger Lv4Posted 29 Aug 2023 13:25
  
Troubleshooting the issue of the Sangfor IAG 5000 series not properly retrieving usernames from the Active Directory (AD) for some users can involve several steps to identify and resolve the problem. Here's a systematic approach to help troubleshoot the issue:
  • Review Configuration: Double-check the configuration settings on the IAG 5000 series that is experiencing the issue. Compare it with the configurations of the IAG units that are working correctly. Ensure that the settings related to SSO and AD integration are consistent.
  • Verify Connectivity: Ensure that the IAG unit can properly communicate with the Active Directory. Test the connectivity by pinging the domain controllers and ensuring that DNS resolution is working correctly.
  • Check AD Integration: Review the integration between the IAG unit and the Active Directory. Verify that the LDAP configuration settings, including the domain name, domain controllers, and authentication credentials, are accurate.
  • Check for LDAP Issues: Monitor the IAG's logs or diagnostic information for any LDAP-related errors or warnings. LDAP authentication issues could potentially prevent the retrieval of usernames.
  • Check User Attributes: Confirm that the users for whom usernames are not being retrieved have the necessary attributes in the Active Directory. The IAG might rely on specific attributes to identify users.
  • Test with Different Users: Experiment with different user accounts to determine if the issue is specific to certain users or applies to a broader range. This can help narrow down whether it's a configuration problem or an issue with particular user accounts.
  • Check for Account Lockouts or Expiry: Verify that the affected user accounts are not locked out or expired in the Active Directory. Account status issues could prevent successful authentication.
  • Mirror Interface Configuration: Since you've mentioned using the Mirror interface, ensure that it's properly configured to capture the necessary traffic. Check for any limitations or settings that might impact the traffic monitoring process.
  • Test Different Interfaces: If possible, test using different interfaces to retrieve user information. This can help identify whether the issue is specific to the Mirror interface or is more widespread.
  • Update or Firmware Check: Ensure that the IAG unit is running the latest firmware or software updates. Sometimes, updates can address known issues or improve compatibility.

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