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Due to not configure DNS,IPS rule library upgrade online service configure suffer a defeat

Publication Date:  2012-09-17 Views:  247 Downloads:  0
Issue Description
A user version is USG3000 V100R002 UTM,when IPS rule library upgrade online service configure, can not update after we configure the domain name of upgrade server.
Alarm Information
Handling Process
look over the configuration
[GF-FW]common  //进入common视图  enter common view
[GF-FW-common]display this
update auto time 8:45
update server host

Configure IPS rule library update online already,but do not find configure DNS server, confirm not configure DNS server. After receive DNS server ip address from client,then configure DNS server.  
[GF-FW]dns server
[GF-FW]dns server
[GF-FW]display dns server 
[GF-FW]display dns server
IPv4 Dns Servers :
Domain-server        IpAddress
[GF-FW]dis update information
=========================update information list=======================
Current rule version is:19.0
Backup rule version is:0.0
Last update success time is:2009-04-10 08:45
The problem be solved,IPS rule library can update online successful
Root Cause
1 rule library of IPS can not be upgraded online 
2 domain name can not be identified by firewall,and after we configure DNS service,domain name also can not be identified by firewall 
Attention,when you configure UTM update online server,please configure DNS server too,and both of them can update online service.