Bug ID 619667: Allow Local DNS Servers is not honored on Mac OS X

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP APM(all modules)

Known Affected Versions:
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

Fixed In:
13.0.0

Opened: Sep 29, 2016

Severity: 3-Major

Related Article: K34751151

Symptoms

In some cases of split tunnel local DNS resolution on client does not work. Its "emulated" full tunnel mode i.e. split tunnel and IPv4 LAN address space of 0.0.0.0/0.0.0.0 and don't allow local subnet access.

Impact

DNS resolution fails for some split tunnel deployment cases.

Conditions

Configure Allow Local DNS Servers is not honored on Mac OS X. Configure split tunnel and IPv4 LAN address space of 0.0.0.0/0.0.0.0. Disable local subnet access. System has only one physical adapter (ethernet or wifi) available for networking.

Workaround

Specify "*" in DNS included address space to forward all DNS traffic over the tunnel.

Fix Information

Allow local DNS configuration is honored on Mac OS X now.

Behavior Change

Allow local DNS configuration is honored on Mac OS X now.

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips