I have several instances of socket.io with authentication running under HAProxy and I need to force that the authentication request and the socket connection go to the same instance. I've set up HA...

With my NGinx setup I was able to intercept OPTIONS requests from ajax preflight and respond with the correct CORS headers and a 200 response so the request could continue onwards. I am attempting ...

I have a microservice deployed on 3 nodes sitting behind a HAProxy load balancer all inside internal network. The services are protected using OAuth2 APIS authorization server. Now, I want to move ...

I am new to HAProxy and I have a question about HAProxy configuration which helps me make a key decision in taking the right approach. This will greatly help me deciding the architecture. I have 3...

Does haproxy supports udp loadbalancing? We're just using a simple python script on backend server which will be listening on specific port for the udp packects.

After a period of inactivity, my go web service is getting a net.OpError with message read tcp x.x.x.x:52086->x.x.x.x:24414: read: connection reset by peer when executing the first postgres sql ...

I'm trying to match various conditions inside one backend, like this: acl rule1 hdr_dom(host) -i ext1 acl rule2 utl_beg /img default_backend back-server-http if rule1 and rule2 but, how can I pu...

We've setup 3 servers: Server A with Nginx + HAproxy to perform load balancing backend server B backend server C Here is our /etc/haproxy/haproxy.cfg: global log /dev/log local0 log 127.0.0...

HAProxy is unable to load .pem files generated by letsencrypt, why is this? The error I'm seeing is: parsing [/haproxy.cfg:37] : 'bind :443' : unable to load SSL private key from PEM file '/certs/c...

I'm using the default HAProxy Docker image from https://github.com/dockerfile/haproxy Unfortunately I can't get it to reload my config properly. If I run $ sudo docker exec haprox haproxy -f /...

I'm building an haproxy config file that has multiple front and backends. It's going to be several hundred lines long and I'd rather split it up into separate files for each of the different ...

I installed HAProxy for load ballancing before. How can I check what is my haproxy version which installed before in mu ubuntu?

I have Ubuntu 12.04LTS running. My webserver is Tomcat 7.0.42 and I use HAProxy as proxy server. My application is a servlet application which uses websockets. Sometime when I request my page I g...

How do I proxy requests to NTLM-protected websites, like TeamFoundation and SharePoint? I keep getting 401 authentication errors.

I use the following configuration to access internet from local 127.0.0.1:2000 proxy to the internet.: global log 127.0.0.1 local0 log 127.0.0.1 local1 notice #log loghost local0 info maxconn ...

var ( httpClient *http.Client ) const ( MaxIdleConnections int = 20 RequestTimeout int = 5 ) // init HTTPClient func init() { client := &http.Client{ Transport: &http.Transport{ Max...

Upstream blocks in nginx open source allow you to enable keepalive connections to reverse-proxied servers (docs: http://nginx.org/en/docs/http/ngx_http_upstream_module.html#keepalive). Syntax: kee...

I see that kubernetes can use ClusterIP and NodePort and LoadBalancing. For loadbalancing it requires cloud. If I do not have cloud provider how can I loadbalance traffic between nodes?! I know th...

I am quite familiar with the HTTP protocol and a little bit of HAProxy, but I have never really messed with URL rewrites and redirects before. Now, I have 2 "simple" HTTP redirect require...

I want to use haproxy to deploy one ftp proxy server. Here's scene: ftp client <---> ftp-proxy-server(ip:10.0.1.1) <---> ftp-server(ip:172.126.1.1) ftp server listen on port 21 for control ...

I'm using dns names for my backend servers in my hsproxy.cfg like backend s0 server server0 server0.x.y.local:8080 backend s1 server server1 server1.x.y.local:8080 The name resolution works f...

My letsencrypt order keeps pending. I am using cert-manager on my single node kubernetes plane. Also I am using letsencrypt. kind: Certificate metadata: name: example-zone namespace: defau...

this should be a pretty simple rewrite rule, but I can't get it working. I want to rewrite Request as follows: http://acme.org/FOO/BAR to http://FOO.acme.org/BAR FOO is some simple string in...

I want to replace haproxy with traefik. But in order to that, I have to replace a Lua script which handles authentication (via auth token calling a rest API) and custom redirect (certain docker ser...

Currently, I have a single client (component) having a single persistent TCP connection with the server(another component), and messages are exchanged asynchronously. I wanted to have a load balanc...