connection-refused

Javascript create WebSocket connection refused - content security

[亡魂溺海] 提交于 2019-12-01 20:29:44
Trying to open a WebSocket connection from a Browser to a server running on localhost:9000 here is my JS code: $( document ).ready(function() { var url = "ws://localhost:9000/myapp"; var connection = new WebSocket(url); connection.onopen = function() { console.log('WebSocket Open'); }; connection.onerror = function(error) { console.log('WebSocket Error ', error); }; connection.onmessage = function(event) { console.log('WebSocket Msg ', event); } }); But the browser is refusing to accept the connection due to Content-security policy: Content Security Policy: The page's settings blocked the

What can be the reasons of connection refused errors?

我的梦境 提交于 2019-11-26 12:11:07
I'm trying to write a server program in C, using another client, I get this error when I try to connect through port 2080 for example. connection refused What can be the reasons of this error? a'r There could be many reasons, but the most common are: The port is not open on the destination machine. The port is open on the destination machine, but its backlog of pending connections is full. A firewall between the client and server is blocking access (also check local firewalls). After checking for firewalls and that the port is open, use telnet to connect to the ip/port to test connectivity.

What can be the reasons of connection refused errors?

点点圈 提交于 2019-11-26 01:58:33
问题 I\'m trying to write a server program in C, using another client, I get this error when I try to connect through port 2080 for example. connection refused What can be the reasons of this error? 回答1: There could be many reasons, but the most common are: The port is not open on the destination machine. The port is open on the destination machine, but its backlog of pending connections is full. A firewall between the client and server is blocking access (also check local firewalls). After