Rules with computer object does not work after SGOS 6.6.5.1 or above

Products

• SG-S500
• SG-S400
• Secure Web Gateway Virtual Appliance
• SG-S200
• ProxySG Software - SGOS
• SWG VA-100

Issue/Introduction

Rules with computer object created in Visual Policy Manager/Local Policy did not match right after an upgrade to SGOS 6.6.5.1 or above.
 

Cause

Proxy uses Reverse DNS lookup to lookup for Computernames from IP.

However by default Reverse DNS lookup is disabled starting SGOS 6.6.5.1 or above to enhance security.

See article TECH246181 for more information.

Resolution

Refer to solution in TECH246181 to turn on Reverse DNS Lookup