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Old 09-25-2019, 02:48 PM
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Those capture files have quite a lot within them so it's hard to know what to look at. Is there a specific TCP conversation starting with a specific SYN packet or local bound ephemeral port to start with?

If the error says connection reset, that means one of the two sides is sending a RST packet to uncleanly shutdown the connection. Why that is happening can vary, though usually I've seen it happen when a data packet is sent after a connection has been closed with a FIN packet. Or in other words only one side of the conversation is cleanly shutting down.

Another possibility is the network infrastructure, like firewalls/routers in between. Is there any difference between your Postman test and the HTTP Sender test? Is that Connect server running on the same exact machine that you ran the Postman test from?
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