Last Modified: Jul 12, 2023
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 13.1.3.5
Fixed In:
14.0.0, 13.1.3.6
Opened: Sep 28, 2017 Severity: 3-Major
When performing DNS queries to resolve FQDN node names to IP addresses, the dynconfd daemon may open UDP ports in excess of what is actually needed.
The dynconfd daemon uses more UDP ports than is strictly necessary.
This occurs when using FQDN node names, with multiple system DNS name servers configured.
None
The dynconfd daemon makes more efficient use of UDP ports when performing DNS queries to resolve FQDN node names to IP addresses.