On 28/02/2026 00:45, Matus UHLAR - fantomas wrote:
Hello,
our client uses SW RTKLIB which tends to send data using GET requests,
containing request body (...) with no Transfer-Encoding: or Content-
Length: headers and using HTTP/1.0 protocol (hardcoded).
On squid, the request body is dropped
Am I correct if I assume this is correct from protocol point of view
or is there any way to pass this data through proxy?
This is odd behaviour from RTKLIB (and invalid HTTP). The other NTRIP
protocol agents I could find doing the same operation do not send
anything after their GET request headers.
The RTKLIB sources show it sending a Connection::close. So to any HTTP
agent(s) it will just be unwanted extra bytes on the TCP stream, they
will be dropped and maybe logged.
To send any content in an HTTP/1.0 GET request requires the
Content-Length header.
NTRIP protocol specification claims to be HTTP/1.1 compliant which means
Transfer-Encoding is technically valid, although still semantically
dubious for GET. Better just not to send content in GET.
HTH
Amos
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