Description
The code around DNS lookups in the HTTP state machine is somewhat odd. The same state is revisited at least twice in the case of a parent proxy lookup for example, and the internal state is not reset in between such lookups. This caused breakage of parent proxy when we added an API to bypass origin DNS lookup, as a very obscure side effect.
Also, there's code in there for a remapping mode URL_REMAP_FOR_OS (2), which I believe we have crippled, and it's unclear exactly when it would be used. We should examine this, and either fix this mode, or disable it completely.
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Issue Links
- is superceded by
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TS-3166 HostDB Upgrade
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- Closed
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