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Knowledge Base

URL will be transfered to private ip address when enabled dns detect

Publication Date:  2014-05-31  |   Views:  819  |   Downloads:  0  |   Author:  SU1102283537  |   Document ID:  EKB1000043883


Issue Description

topology :  client---sw---USG5300---internet---DNS(
Customer found that when he visit his email server with URL and DNS reply with the private ip address of his email server, but he didn't register his private ip address to DNS(

Alarm Information


Handling Process

1. Checked configuration and found that he enabled "dns detect' between zone untrust and trust.
2.USG will transfer the public ip address to private address when enabled "dns detect".

Root Cause

DNS detect will transfer the public ip address to private address.