Patrick Griffis ea99872e45 Always resolve localhost to loopback address ...

This always resolves "localhost" to a loopback address which
has security benefits such as preventing a malicious dns server
redirecting local connections and allows software to assume
it is a secure hostname.

This is being adopted by web browsers:

- https://w3c.github.io/webappsec-secure-contexts/
- https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/RC9dSw-O3fE/E3_0XaT0BAAJ
- 8da2a80724
- https://bugs.webkit.org/show_bug.cgi?id=171934
- https://tools.ietf.org/html/draft-west-let-localhost-be-localhost-06

2019-10-10 14:32:18 +01:00

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