Redirect http to https when get: Client sent an HTTP request to an HTTPS server

[kamil.Sala]

How can I put custom handle in this case: client sent HTTP request to HTTPS server
I want redirect to https.

[Hamed_Mostafaei (Ήαϻe̸d̨ M)]

Hi kamil
u can use mux, as our friend Johandalabacka said :

How can fix Simple Problem in redirect?

H. Sorry. Me reading a bit too fast. You could do like this Run multi web servers on one pysical server or vps to have to different servermux’s or use the default for https and just a new one for http with only one redirect method. package main import ( "io" "net/http" ) func index1(w http.ResponseWriter, r *http.Request) { io.WriteString(w, "Hello from server 1") } func index2(w http.ResponseWriter, r *http.Request) { io.WriteString(w, "Hello from server 2") } func main() { mux := ht…

[kamil.Sala]

it’s not a solution
I have one https server and one port open
https://gist.github.com/denji/12b3a568f092ab951456
example:

package main

import (
    // "fmt"
    // "io"
    "net/http"
    "log"
)

func HelloServer(w http.ResponseWriter, req *http.Request) {
    w.Header().Set("Content-Type", "text/plain")
    w.Write([]byte("This is an example server.\n"))
    // fmt.Fprintf(w, "This is an example server.\n")
    // io.WriteString(w, "This is an example server.\n")
}

func main() {
    http.HandleFunc("/hello", HelloServer)
    err := http.ListenAndServeTLS(":8081", "server.crt", "server.key", nil)
    if err != nil {
        log.Fatal("ListenAndServe: ", err)
    }
}

and when i open:

http://localhost:8081/hello

i need redirect to :

https://localhost:8081/hello

because i get:

Client sent an HTTP request to an HTTPS server.

[johandalabacka (Johan Dahl)]

Hi

You can’t have both http and https on the same port (at least not with the http library functions in go). On webservers is usually http on port 80 and https on port 443. So open two different servers and use

Redirect(w ResponseWriter, r *Request, url string, code int)

To redirect all calls on the http server to the one running https

[kamil.Sala]

Ok… True… you’re right. My mistake…

But I was hoping that this is possible… because information about the bad protocol was sent via http.

For example, if I want to change the error message to make it look different.
Maybe it would be possible to throw a redirect there …

But that’s stupid. Sorry.

[jboursiquot (Johnny Boursiquot)]

Not stupid. Don’t apologize for learning.
Others with the same question will benefit from this thread.