Hi I have an environment with squid version 5.0.4 with ICAP server adapting requests by adding an header. When I'm trying to send a POST request with a body I'm having an issue of a stuck connection. What should the ICAP response look like?
What I do is to reply like this: > (dI./M..ICAP/1.0 200 OK > ISTag: "SjIzlRA4te41axxcDOoiSl6rBRg4ZK" > Date: Sun, 17 Jan 2021 19:34:12 GMT > Server: BaseICAP/1.0 Python/3.6.12 > Encapsulated: req-hdr=0, req-body=360 > > POST http://www.dst-server.com:22222/v1/test HTTP/1.1 > x-new-header: {"key": "value"} > user-agent: python-requests/2.25.1 > accept-encoding: gzip, deflate > accept: */* > content-length: 16 > content-type: application/json > host: www.dst-server.com:22222 > Please assume the number in req-body=360 is correct (I trimmed here the content of the new header). As I said, I use 'Preview: 0' since I don't mind the body. The question is whether declaring the body starts at X (req-body=X) is OK even though I don't have a body to send? I think having req-null=X is bad since it probably tells squid that I decided the adapted request should have no body, but that's only a guess. When the ICAP doesn't adapt the request, everything looks fine. When it adapts the request I see that the POST request squid sends to www.dst-server.com doesn't contain the body. On the logs of the server behind www.dst-server.com I see an entry for the API request only after I abort the request I sent. I use python's requests module to make the request: import requests > s = requests.Session() > s.proxies = {'http': 'localhost:8000', 'https': 'localhost:8000'} resp = s.post('http://www.dst-server.com:22222/v1/test', > allow_redirects=False, json={'key': 'value'}) > I'll highly appreciate any help. Thanks, Moti
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