使用本地主机时ERR_CONNECTION_RESET

问题描述：

我是新来的后端开发。我正在使用vagrant和virtualbox创建一个基本的Web服务器。 Agter从VM运行服务器，当我尝试从主机访问时，出现上述错误。使用本地主机时ERR_CONNECTION_RESET

以下是无业游民配置：

Vagrant.configure(2) do |config| 
    config.vm.box = "ubuntu/trusty32" 
    config.vm.network "forwarded_port", guest: 80, host: 8080 
end

以下是在服务器文件中的main（）代码：

def main(): 
    try: 
     port = 8080 
     server = HTTPServer(('', port), webserverHandler) 
     print "Web server running on port %s" % port 
     server.serve_forever() 

    except KeyboardInterrupt: 
     print "^C entered. Shutting down the server..." 
     server.socket.close()

读了很多关于它之后，我尝试了一些办法让它工作但无济于事。也telnet localhost 8080主机上给出了：

Trying 127.0.0.1... 
Connected to localhost. 
Escape character is '^]'. 
Connection closed by foreign host.

运行流浪汉起来表明，它是转发端口80（客户）到8080（主机）。但在VM上运行sudo netstat -ntlp | grep LISTEN给出：

tcp  0  0 0.0.0.0:111    0.0.0.0:*    LISTEN  491/rpcbind  
tcp  0  0 0.0.0.0:22    0.0.0.0:*    LISTEN  685/sshd   
tcp  0  0 0.0.0.0:52166   0.0.0.0:*    LISTEN  649/rpc.statd 
tcp6  0  0 :::57101    :::*     LISTEN  649/rpc.statd 
tcp6  0  0 :::111     :::*     LISTEN  491/rpcbind  
tcp6  0  0 :::22     :::*     LISTEN  685/sshd

运行curl -v 'http://localhost:8080'给出：

* Trying 127.0.0.1... 
* Connected to localhost (127.0.0.1) port 8080 (#0) 
> GET/HTTP/1.1 
> Host: localhost:8080 
> User-Agent: curl/7.47.0 
> Accept: */* 
> 
* Recv failure: Connection reset by peer 
* Closing connection 0 
curl: (56) Recv failure: Connection reset by peer

在VM上运行curl 'http://localhost:80'给出：

curl: (7) couldn't connect to host

这是输出当我运行vagrant up：

==> default: Preparing network interfaces based on configuration... 
    default: Adapter 1: nat 
==> default: Forwarding ports... 
    default: 80 (guest) => 8080 (host) (adapter 1) 
    default: 22 (guest) => 2222 (host) (adapter 1) 
==> default: Booting VM... 
==> default: Waiting for machine to boot. This may take a few minutes... 
    default: SSH address: 127.0.0.1:2222 
    default: SSH username: vagrant 
    default: SSH auth method: private key 
==> default: Machine booted and ready! 
==> default: Checking for guest additions in VM... 
    default: The guest additions on this VM do not match the installed version of 
    default: VirtualBox! In most cases this is fine, but in rare cases it can 
    default: prevent things such as shared folders from working properly. If you see 
    default: shared folder errors, please make sure the guest additions within the 
    default: virtual machine match the version of VirtualBox you have installed on 
    default: your host and reload your VM. 
    default: 
    default: Guest Additions Version: 4.2.0 
    default: VirtualBox Version: 5.0 
==> default: Mounting shared folders... 
    default: /vagrant => /home/priyanshu/fullstack 
==> default: Machine already provisioned. Run `vagrant provision` or use the `--provision` 
==> default: flag to force provisioning. Provisioners marked to run always will still run

我对此完全陌生。让我知道我在这里做错了什么。

你在虚拟机上没有任何东西在80端口上运行，你需要启动apache或nginx。 python服务器在8080端口上运行，你启动它吗？ –

我的不好。在vagrantfile中将访客端口更改为8080。它现在有效。谢谢！ –

答

你的Python服务器在端口8080运行，并没有什么运行端口80（为netstat命令的输出所示）

你的情况，你需要从你的Python服务器

更改客户端的一个

config.vm.network "forwarded_port", guest: 8080, host: 8080

使用本地主机时ERR_CONNECTION_RESET

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