openresty / openresty/lua-nginx-module
duplicate response header when use proxy_pass
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- Dominant language
- C
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Description
I found that if i set a http header in access phase(use ngx.header api)，and the content generated by proxy_pass has the same http header,then finally we'll get a response has repeat http headers. is this correct?
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First steps
- Read the whole issue, then the project's contributing guide.
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- Fork the repository and make your change on a branch.
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Research direction
Start by reproducing the response-header interaction between the ngx.header API in the access phase and content returned through proxy_pass. Inspect the relevant NGINX and lua-nginx-module header handling entry points, then determine whether duplicate headers are expected and document or test the confirmed behavior.
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Assessment
- Tech stack
- c, nginx
- Domain
- backend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100