Questions tagged [websocket]
WebSocket is an API built on top of TCP sockets and a protocol for bi-directional, full-duplex communication between client and server without the overhead of http.
214
questions
1
vote
1
answer
4k
views
No protocol handler was valid for the URL /url. If you are using a DSO version of mod_proxy
Trying to set up a load balancer using Apache 2.4.x on Windows.
Error: No protocol handler was valid for the URL /path/. If you are using a DSO version of mod_proxy, make sure the proxy submodules ...
2
votes
0
answers
2k
views
proxy_pass to websocket behind nginx
I got websocket servers and there are behind nginx. I need to configure second nginx as proxy to this first nginx. But when I make a request, there is an error 400 or 404 (with different configs).
...
- 21
3
votes
1
answer
15k
views
How to troubleshoot Nginx 499 when it's not returning a web sockets handshake back to the client?
In a Kubernetes cluster, I have an Nginx server acting like a reverse proxy / TLS termination solution that proxypass requests to a backend Tomcat application that has some functionalities powered by ...
- 159
3
votes
0
answers
870
views
NGINX Websocket initial communication delay
I've created a Django server that is making use of django-channels for websocket communication. When I run the server with NGINX there is an initial delay in websocket communication between the server ...
- 131
0
votes
0
answers
2k
views
nginx reverse proxies with separate SSL termination and websockets
I'm trying to chain proxies. The first one for SSL, next one - for dispatching to the servers.
The first one (secure-gateway-nginx) just unwraps SSL and passes to the gateway-nginx:
server {
...
- 364
3
votes
0
answers
577
views
Confluence (Synchrony) using websockets behind IIS8 can't copy or insert large blocks of text
I've got a Confluence 6.1.0 setup running behind an IIS8 reverse proxy doing SSL. Everything works except for one small problem.
When I try to copy a three or four paragraphs of text, attempt to ...
- 43
3
votes
2
answers
2k
views
nginx as proxy for WebSocket: inspect and block certain requests
I ran NodeJS as a kind of Webapplication Server serving an AngularJS frontend. They communicate solely over WebSockets, using the SailsJS implementation of Socket.IO. Between frontend (client) and the ...
- 247
3
votes
2
answers
14k
views
Apache 2.4.7 mod_proxy_wstunnel tunneling too much (HTTP as well as WS)
I'm running Apache 2.4.7 as a reverse proxy on Ubuntu 14.04 LTS. This Apache server acts as the entrypoint to a lot of different backend applications, which are accessed via different mod_proxy ...
- 509
3
votes
1
answer
3k
views
WSS Load Balancing with SSL Termination at layer 4
Should it be possible to terminate SSL for wss (secure websockets) at a layer 4 load balancer?
Seems to me that wss (and ws) in general would require TCP routing since an HTTP reverse proxy wouldn't ...
- 31
4
votes
1
answer
3k
views
Add proxy headers in named location using nested location regex
I'm trying to setup a WebSocket endpoint on my Rails API using Nginx and Puma.
What I have (working but ugly)
The following Nginx configuration works fine, however I feel like I could use something ...
- 271
0
votes
0
answers
379
views
websocketserver behind nginx and apache
How is it possible to establish a websocket connection through nginx and apache, where both act as reverse proxies.
The system is setup with apache on the main host and a tornado webapplication in a ...
- 1
0
votes
1
answer
419
views
Unable to init NodeJS-based WebSocket Server as Service on Windows Server 2012
A basic node.js Implementation of a websocket server runs fine as when started via the command line or the scheduled task manager.
However, after being installed as a service using nssm, it refuses ...
0
votes
0
answers
51
views
can many users on 1 wifi network cause issues with websockets?
We have a product that allows a group of people watching a presentation to vote on questions in the presentation on their mobile.
The new version of the website that people use to vote uses ...
- 181
4
votes
1
answer
4k
views
Unable to get websockets to work through apache HTTPS proxy (302 error)
I'm unable to make websockets work on a node backend using an apache proxy through HTTPS to connect to the node instance. Websockets are working properly if no (apache) http(s) proxy is used.
My ...
0
votes
0
answers
1k
views
elb ssl termination for wss websocket fails net::ERR_RESPONSE_HEADERS_TRUNCATED
I am trying to get a websocket communication working through a classic ELB with ssl termination to wowza, a java based media server.
Setup
VPC
R53
test.myTld.com
IPv4, Alias=Yes, Target myElb, ...
- 171
0
votes
1
answer
926
views
Apache2: Is Proxy from https to http secure
Im pretty new at all this server stuff, and I have a question regarding the security of the apache proxy.
What I am doing is: I have a websocket server running in non secure mode on port 11221 on the ...
- 103
3
votes
1
answer
16k
views
NGINX Proxy Setup for ws:// protocol
I am trying to setup NGINX to proxy web socket traffic. I am running a web page on NGINX (port 80) that has an MJPEG feed from port 8080 and also takes web socket traffic over port 8090. I can proxy ...
- 31
1
vote
0
answers
760
views
WebSockets with TeamCity behind Amazon ELB
I'm setting up TeamCity behind a public ELB in Amazon. I am attempting to fix the WebSocket connection issue:
Some users cannot use optimized web UI updates via WebSocket protocol.
This is a ...
- 141
2
votes
0
answers
785
views
When does the Nginx error happen, recv() failed (110: Connection timed out) while proxying upgraded connection
I am using Nginx 1.10.1 for my APP to balance connections on Websocket.
For example, the App A(multi-process) establish Websocket connections to B1, B2 through Nginx so that the connections could be ...
- 169
9
votes
3
answers
17k
views
Apache mod_proxy: forward secure websocket to non-secure
The websocket library I rely on (PHP-Websockets) does not yet support secure sockets (wss). My website is served over https though, so I cannot use insecure ws connections.
I'm trying to use Apache's ...
- 411
2
votes
1
answer
1k
views
Does Apache process handling Websocket proxy also serve same client for http?
In choosing to adopt Websocket as the real-time technology behind a web application for my company, I'm trying to determine what the server workload will be.
So far as I understand Apache internals, ...
- 83
0
votes
1
answer
17k
views
Cannot connect to server via wss
I have the below nginx.conf file set to handle http and https. I'm currently using a self-signed certificate to test over ssl.
server {
listen 80;
listen 443 ssl;
server_name ...
- 153
0
votes
0
answers
1k
views
Nginx, Way to re-balance websocket for a server which gets alive after failed?
I want to balance web-socket with Nginx.
When it connects first, it balances the connections.
When a server among upstream is failed, it also does re-balance web-socket connections.
However, even ...
- 169
3
votes
1
answer
2k
views
nginx proxy_pass two ports into subfolders
So I had my last "reverse proxy" problem fixed regarding "mapping" a port to a subfolder Thanks again to this awesome community.
I have been able to work with this solution for a while but now I am ...
- 311
0
votes
1
answer
752
views
PHP websocket script running as daemon stops working after a while
I start my websocket script like so:
nohup php server.php &
and I close the ssh client and it seems to be working fine for a while, but after say half an hour or so it stops working, any idea ...
3
votes
1
answer
9k
views
Increase client timeout for WebSocket connections to certain URL
On CentOS 7 Linux I successfully use HAProxy 1.5.14 in front of Jetty 9 serving a Wordpress site via FastCGI.
It works really well, but for a HTML5/WebSocket game at the same website much higher ...
- 734
7
votes
1
answer
12k
views
ws protocol and apache mod_proxy_wstunnel configuration: error 500
I got an error 500 when trying to access to ws://localhost:8080/ via my Apache2 server. This server runs OpenSuse Leap 42.1 and Apache 2.4.16.
These Apache2 modules are enabled: mod_proxy, ...
- 171
2
votes
1
answer
2k
views
Can not using websocket with nginx
I am using Activemq as broker, client side is Paho js to send websocket request(ws protocol).
Everything work fine on server, but when the server start to set nginx as proxy, the client can not ...
- 121
1
vote
0
answers
596
views
nginx SSL termination with sticky load balancing
I want to use Nginx with a socket.io app with TLS/SSL termination at the load balancer. Is it possible to use the ip_hash directive to do sticky loadbalancing in combination with TLS/SSL termination? ...
- 31
2
votes
1
answer
4k
views
Websocket reverse proxy with nginx: Error about request in server log, but works in browser
The situation
I am running Etherpad, which is proxied via nginx. Etherpad uses Websockets with Socket.io.
My nginx config is more or less this one. The location block for socket.io is this:
rewrite ...
- 546
0
votes
1
answer
1k
views
How to run a Parse Live Query Server (Web Sockets) behind an AWS Load Balancer?
ParseLiveQuery depends on Websockets. More generically this question could be about getting web sockets to work behind an AWS ELB.
I'm using the new Parse Server configured in AWS using Elastic ...
- 111
0
votes
0
answers
607
views
Why my websockets application deployed on tomcat is not getting the shibboleth headers?
My stack looks like this:
Apache httpd server 2.4.12: with mod_shibd, mod_proxy_http & mod_proxy_wstunnel
Shibboleth 2.5
Apache Tomcat 7.0.54
Our scenario looks like this:
--------- -...
- 101
4
votes
1
answer
2k
views
TeamCity, nginx, and Websockets - 501 Error
I'm currently setting up TeamCity behind an nginx reverse proxy, but I am getting an error in my browser. The error is as follows:
WebSocket connection to 'ws://ci.example.net/app/subscriptions?X-...
- 143
2
votes
3
answers
1k
views
Configure Meteor in a server without websocket support
I was asked to test a meteor (js) website in a server without websockets support, how can I achieve this? How can I really know that a server is not capable of using websockets?
- 143
8
votes
1
answer
11k
views
ProxyPass a WebSocket connection to a UNIX socket
In Apache 2.4 you can reverse proxy an HTTP connection to a local Unix socket with: [1]
ProxyPass unix:/path/to/app.sock|http://example.com/app/name
You can reverse proxy a WebSocket connection to a ...
- 189
0
votes
1
answer
458
views
Tomcat 7 WebSocket (JSR356) Examples error: WebSocket connection closed
I'm trying to setup Tomcat7 on Ubuntu 14.04 and run into the following issue:
WebSocket (JSR356) Examples load but give the error: Info: WebSocket connection closed. - for everything.
WebSocket ...
0
votes
1
answer
5k
views
SIP.js connection to Asterisk 11.20 over WSS not working
I have successfully setup sip.js using a standard non secure ws:// to an asterisk 11 server using firefox 43. I can make and receive calls to another ff browser/hardphone. But this does not work with ...
- 11
1
vote
0
answers
193
views
Apache reverse proxy sometimes takes over all requests
I am using my apache as a reverse proxy for a few requests to a webserver running on an internal port to allow access via my regular virtual host. This is on an ubuntu 15 running in vagrant.
Here's ...
- 121
1
vote
0
answers
572
views
Configure a websocket server in front of HAProxy
I have a small python server script which creates a websocket connection and accepts base64 encoded IP packets (very similar to this). As of now my script decodes the IP packet and sends it out into ...
- 111
1
vote
3
answers
9k
views
Apache proxy all ws connections to different port
In my Apache 2.4 vhost I'm trying to get all https:// traffic to carry on to port 443, but all ws:// traffic to forward onto ws://*:6969.
Eg:
https://example.com/index would just go to https://...
- 11
7
votes
1
answer
14k
views
How to handle 1M websocket connections (Nginx/HAProxy/Amazon/Google) [duplicate]
What nginx or haproxy setup is suggested for target 100K concurrent websocket connections?
What I think, a single nginx will not be able to take such traffic as well as concurrent connections. How ...
google-cloud-platform
2
votes
1
answer
4k
views
How does nginx websocket proxy work?
I'm wondered about how nginx handles tons active websocket connections? There is a lot of limitations, like a number of open files, maximum of 65k TCP connections between IP <-> (IP, port) and so ...
- 145
1
vote
0
answers
316
views
How should I set up my sub-domain to allow it listen on a port for web socket transfer?
This may be a really beginner question, but I really want to make sure I'm going in the right direction before investing time in this. Heres what I have.
charlieli.me @ 45.55.33.185:80
fileserver....
- 111
1
vote
1
answer
2k
views
Apache wstunnel_proxy not working
I am trying to connect to my websocket server using html 5 websockets.
The direct connection works fine, but when I try to hide my server behind apache proxy it does not work.
it ends up:
var ws = ...
- 143
1
vote
1
answer
1k
views
Nginx doesn't start Passenger/Nodejs
I cannot get Passenger to start my Nodejs (iojs) application on restarting nginx. I've followed the tutorials and installed the prerequisites:
$ nginx -V
nginx version: nginx/1.8.0
configure ...
- 159
1
vote
0
answers
2k
views
Websockets behind Apache and Nginx proxy connection not upgraded
I have a problem. Apache listens on a white ip and proxies all requests /ssd on nginx that proxies requests /city-dashboard to another server with websockets. In apache config:
ProxyPass /ssd/ http://...
- 11
8
votes
1
answer
11k
views
Nginx WebSocket reverse proxy keeps return 200 instead of 101
I'm currently trying to have a hack.chat on my personal server working.
Long story short, it consists of two servers. The first is a simple httpd server serving javascript and CSS. The second one, ...
- 83
0
votes
1
answer
519
views
Reverse proxy requests based on http:// or ws:// in request header
From a previously asked question I know that I can route requests to a different servers with reverse proxy, such as mod_proxy for apache. My question is, before I dig deeper into its setup, which of ...
- 663
6
votes
1
answer
9k
views
HA Proxy and Websockets
I'm setting up my first HAProxy reverse proxy server. It's going to be a proxy for an HTML5 app running on tomcat from a different server. I was able to get it to proxy out via HTTP, redirect all ...
- 95
0
votes
1
answer
220
views
Keep connections of closed instances behind a load balancer
I'm looking for a system to create a live sockets application through sockets.io and that can be balanced without problem.
There are tons of solutions to balance the load between multiple socket ...
