Nginx HTTP/2 over TLS 访问报 400,有熟悉的同学吗? - V2EX
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gansteed
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Nginx HTTP/2 over TLS 访问报 400,有熟悉的同学吗?

  •  
  •   gansteed 2019-01-28 15:00:07 +08:00 3606 次点击
    这是一个创建于 2472 天前的主题,其中的信息可能已经有所发展或是发生改变。

    最近在写一个 HTTP/2 的代理。如果是不带 TLS 的话,是可以正常工作的,

     server { listen 8443 http2; location / { error_log /Users/jiajun/nginx_error_log.log debug; grpc_pass grpc://127.0.0.1:2017; } } 

    执行一下:

    $ go run example/grpc_client/main.go calling to 127.0.0.1:2019 2019/01/28 11:50:46 gonna call c.SayHello... 2019/01/28 11:50:46 Greeting: Hello world 

    Nginx 日志是:

    127.0.0.1 - - [28/Jan/2019:11:50:46 +0800] "POST /helloworld.Greeter/SayHello HTTP/2.0" 200 18 "-" "grpc-go/1.16.0" "-" 

    加证书之后:

     server { listen 8443 ssl http2; ssl_certificate /Users/jiajun/127.0.0.1.crt; ssl_certificate_key /Users/jiajun/127.0.0.1.key; location / { error_log /Users/jiajun/nginx_error_log.log debug; grpc_pass grpc://127.0.0.1:2017; } } 

    执行一下:

    $ go run example/grpc_client/main.go calling to 127.0.0.1:2019 2019/01/28 11:53:06 gonna call c.SayHello... 2019/01/28 11:53:06 could not greet: rpc error: code = Unavailable desc = transport is closing exit status 1 

    Nginx 日志:

     127.0.0.1 - - [28/Jan/2019:11:53:06 +0800] "PRI * HTTP/2.0" 400 157 "-" "-" "-" 

    有同学遇到同样的问题吗?

    此外,可以写一个简单的 demo 复现问题:

    package main import ( "crypto/tls" "log" ) func main() { backendConn, err := tls.Dial("tcp", "127.0.0.1:8443", &tls.Config{InsecureSkipVerify: true}) if err != nil { log.Printf("failed to dial: %s", err) } if _, err := backendConn.Write([]byte("PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n")); err != nil { log.Printf("failed to write: %s", err) } b := make([]byte, 4096) if _, err := backendConn.Read(b); err != nil { log.Printf("failed to read: %s", err) } log.Printf("result: %s", b) } 

    结果:

    $ go run main.go 2019/01/28 14:59:50 result: HTTP/1.1 400 Bad Request Server: nginx/1.15.8 Date: Mon, 28 Jan 2019 06:59:50 GMT Content-Type: text/html Content-Length: 157 Connection: close <html> <head><title>400 Bad Request</title></head> <body> <center><h1>400 Bad Request</h1></center> <hr><center>nginx/1.15.8</center> </body> </html> 
    第 1 条附言    2019-01-30 10:19:45 +08:00
    是 ALPN 的问题,指定好协议就可以了:

    tls.Dial("tcp", backendAddr, &tls.Config{NextProtos: []string{"h2"}})
    3 条回复    2019-01-29 17:33:14 +08:00
    justfly
        1
    justfly  
       2019-01-28 15:24:01 +08:00
    很迷,你给的配置 nginx 监听的 8443 端口,log 里面却是连接 2019 端口。demo 里面去访问一个 http/2 服务,http/2 是二进制协议,你在 tls 连接上直接给的是纯文本协议。。。
    gansteed
        2
    gansteed  
    OP
       2019-01-28 16:32:01 +08:00
    popstk
        3
    popstk  
       2019-01-29 17:33:14 +08:00
    https://github.com/grpc/grpc-go#the-rpc-failed-with-error-code--unavailable-desc--transport-is-closing
    试试配下证书->
    <code>
    certificate, err := credentials.NewServerTLSFromFile(crtFile, keyFile)
    if err != nil {
    log.Fatalf("can not load certificate: %v", err)
    }
    conn, err := grpc.Dial(address, grpc.WithTransportCredentials(certificate))
    if err != nil {
    log.Fatalf("did not connect: %v", err)
    }
    </code>
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