hostip: make 'localhost' return fixed values #7039
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Tagged for merge after 7.77.0 ships. |
Resolving the case insensitive host name 'localhost' now returns the addresses 127.0.0.1 and (if IPv6 is enabled) ::1 without using any resolver. This removes the risk that users accidentally resolves 'localhost' to something else. By making sure 'localhost' is always local, we can assume a "secure context" for such transfers (for cookies etc).
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Resolving the case insensitive host name 'localhost' now returns the
addresses 127.0.0.1 and (if IPv6 is enabled) ::1 without using any
resolver.
This removes the risk that users accidentally resolves 'localhost' to
something else. By making sure 'localhost' is always local, we can
assume a "secure context" for such transfers (for cookies etc).