First request must be OPTION and second must be GET/ POST , This is default
browser behaviour.
On Friday, 25 September 2020 at 15:22:27 UTC+5:30 smartaq...@gmail.com
wrote:
> Team,
>
> Hi all, hope you are doing good.
>
> I've made a hosted a small api on my windows 10 enterprise machine:
>
> ```
> func main() {
> srv := &http.Server{Addr: ":8000", Handler: http.HandlerFunc(handle)}
> log.Fatal(srv.ListenAndServeTLS("certificate.crt", "certificate.key"))
> }
>
> func handle(w http.ResponseWriter, r *http.Request) {
> // Log the request protocol
> log.Printf("Got connection: %s", r.Proto)
>
> // Send a message back to the client
> w.Write([]byte("Hello"))
> }
> ```
> The moment I call this api using different browsers(IE/Chrome)(
> https://localhost:8000) or curl request I receive these kind of outputs:
>
> 1. In browser I receive "Hello" which is correct
> 2. In golang console prompt I get this log twice:
> With TLS:
> [image: Capture.PNG]
> Without TLS:
> [image: Capture.PNG]
> [image: Capture.PNG]
>
> 3. But, while making a curl request I get this log & only once:
> [image: Capture.PNG]
>
> What is the difference between point 2 & 3. I've tried both tls and non
> tls version with browsers but in both the cases logs are coming twice. I
> don't know why this favicon.ico call is going.
>
> Am I missing something here. Please help. Thank you
>
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