Chunk headers to comply with Varnish max length #3843
Merged
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This PR chunks the regex to send it in separate requests to avoid
400 Bad Request
responses from Varnish when the maximum header length is exceeded. The default limit is 8000 for now since it's Varnish's default value, but that could be easily made configurable in another iteration (maybe for next minor release instead of 2.5?).