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moby--moby/pkg/networkfs
Phil Estes afa92a9af0 Add warning for --dns flag set to localhost addresses.
We should warn users who use the `--dns` command line option to point
DNS to a localhost address, either IPv4 or IPv6.  Unless they have
specifically set up the container as a DNS server or are using
--net=host (which is why this should be allowed, but warned on because
those are pretty unique cases) a localhost address as a resolver will
not reach what they might expect (e.g. expecting it will hit localhost
on the Docker daemon/host).

Added a test for the message, and fixed up tests to separate stdout and
stderr that were using `--dns=127.0.0.1` to test the options.

Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp)
2015-03-10 14:43:17 -04:00
..
etchosts Test for etchosts consistency 2014-11-06 11:36:09 -08:00
resolvconf Add warning for --dns flag set to localhost addresses. 2015-03-10 14:43:17 -04:00