CERN Accelerating science

Upgrade of primary DNS servers for GPN, EXTNET and dyndns

 
Description: 

ISC has published a Security Advisory (https://kb.isc.org/article/AA-00778) reporting a critical vulnerability that could crash the DNS software (bind) and lead to a DoS. We need to patch the servers.

Specific Service Detail: 
DNS service The secondary servers will continue to provide the service while upgrading. The intervention should be transparent.
Reason for this intervention: 

Upgrade of primary DNS servers for GPN, EXTNET and dyndns

Effective from date: 
Monday, September 17, 2012 - 08:30
End date: 
Monday, September 17, 2012 - 09:00
Service Element Affected: 
Network Infrastructure Service
Impact on service: 
Intervention should be transparent
Posted by: 
IT-CS
Unit responsible for resolution: 
IT Department