Github user SolidWallOfCode commented on the pull request:
https://github.com/apache/trafficserver/pull/262#issuecomment-125252626
Perhaps what we should do is allow the configuration to specify the empty
string for revolv.conf to mean "don't use resolv.conf". I think it's reasonable
to think that almost all the time if you specify a file you expect something to
be in it. If you really don't want to use resolv.conf or its equivalent,
specify that explicitly with an empty or NULL string.
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