Phil Estes 716b0cd3b4 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
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resolvconf.go	Add warning for --dns flag set to localhost addresses.	2015-03-10 14:43:17 -04:00
resolvconf_test.go	Clean up localhost resolv logic and add IPv6 support to regexp	2015-01-19 19:35:55 -05:00