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I don't know why CIPSEND command closed the connection after sending done without CIPCLOSE command. Is it normal?

If I want to keep the connection, what should I do in this case?

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    Perhaps it is an appropriate result of the "Connection: close" header? – Chris Stratton Oct 18 '16 at 2:28
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    I has changed to "keep-alive". It's still the same result. :( I'm using Ajax jquery to take the data from Adruino. May Ajax has closed the connection automatically after receiving done? Im newbie in ajax. – Duy Phan Oct 18 '16 at 3:23
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    I don't think anyone is required to honor a keep alive header sent by the other party, it is more of a suggestion. But it may not be your issue either. Maybe you should try something else against the server, or the ESP8266 against something else. – Chris Stratton Oct 18 '16 at 3:30

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