DNS Resolution through NetScaler Fails with Unknown Host Error

DNS resolution for FQDN fails and following error is received when pinging FQDN from NetScaler: VPX-190 ping www.citrix.com ping: cannot resolve www.citrix.com: Unknown host ERROR:...

DNS Resolution fails due to Negative Caching

Steps to reproduce this issue: 1. Administrator added an authoritative name server A on Netscaler to resolveStoreFront LB's VIP. 2. Becasue name server A didn't have address record for Storefront LB fqdn, so DNS resolution failed. 3. Then administrator changed to another authoritative name...

OracleVM 3.3 : bind (OVMSA-2015-0105)

The remote OracleVM system is missing necessary patches to address critical security updates : - Fix CVE-2015-5477 - Fix CVE-2015-4620 - Resolves: 1215687 - DNS resolution failure in high load environment with SERVFAIL and 'out of memory/success' in the log - Fix CVE-2015-1349 - Enable RPZ-NSIP a...