My running DNS is Bind version 8.1.2. Recently following message returned in the named log file: Mar 31 14:44:08 dns named[14072]: unapproved update from [202.96.145.171].4787 for health.com.hk When this happens, the named become hanged. I need to kill it and restart it. Does anybody can hep to explain the message and tell me how to solve it. Thanks in advance. Joe