Leif Hedstrom created TS-2972:
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Summary: authproxy: Investigate if we can run this (configurable)
in a different hook
Key: TS-2972
URL: https://issues.apache.org/jira/browse/TS-2972
Project: Traffic Server
Issue Type: Bug
Components: Plugins
Reporter: Leif Hedstrom
The issue is that without a (global) configuration to force us to go through
the DNS hook on cache hits, we can not use authproxy to protect on cache hits
(the plugin is bypassed).
The setting is proxy.config.http.doc_in_cache_skip_dns, and it was added for a
very valid reason: If the entry in HostDB is stale, we can not serve out of
cache while it's doing the DNS lookup. This blocks all requests on that URL
until DNS has finished, which in some cases can take a long time (we had a
problem where some 3rd party DNS vendor could take up to 1s to resolve).
My idea / hope is to make authproxy support running in a different hook, such
that it always can get called. However, the wrinkle is that this is also a
remap plugin, so whatever hook we pick, it has to happen after remap.
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