Uri Shachar created TS-1558:
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Summary: use_client_addr breaks control over upstream HTTP
protocol version
Key: TS-1558
URL: https://issues.apache.org/jira/browse/TS-1558
Project: Traffic Server
Issue Type: Bug
Components: Core, HTTP
Affects Versions: 3.3.3, 3.2.3
Environment: Trunc running on CentOS 6.3, 64bit
Reporter: Uri Shachar
Priority: Critical
If use_client_addr is turned on, we skip the hostdb lookup so we never know if
the upstream has previously responded with an HTTP/1.1 response.
This means that unless proxy.config.http.send_http11_requests is set to 1 we
will always send HTTP/1.0 requests to upstream.
I'll attach a patch that sets 'upstream server version = client request
version' (which seems correct for a transparent interception scenario) -- an
alternative implementation might be to modify the hostdb lookup flow to skip
the actual DNS resolving and treat the client provided address as a DNS
provided one -- Comments?
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