Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP DNS
Known Affected Versions:
11.2.1, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3
Fixed In:
13.0.0, 12.1.3.4
Opened: Sep 27, 2016 Severity: 3-Major
The DNS request takes about 20 seconds to respond and the response is empty.
The request does not properly resolve to an IP address.
An iRule uses RESOLV::lookup or NAME::lookup to resolve a domain name that ends with a dot.
Strip the trailing dot from the domain name before calling RESOLV::lookup or NAME::lookup.
Domain names with trailing dots are properly resolved from iRules. The trailing dot is stripped when the request is saved to later match with the response.