Is it possible to set a dynamic variable which will hold the content of HTTP header e.g. Host/X-Forwarded-Host and would be used later in ACLs? frontend web1 # ... set-var s1(Host) acl site1 hd...

Hopefully a simple question. I apologize if this has been covered before. I'm learning haproxy and overall seems very straightforward and simple. However I am curious what the difference is between...

I have 6 Linux box running RServe and serving same set of R Scripts. 192.168.0.1 : 6311 192.168.0.2 : 6311 ... ... 192.168.0.6 : 6311 I connect from java to these Rserve using REngine (Rserve Ja...

Using HAProxy, I'm trying to (TCP) load balance Rserve(a service listening in TCP socket for calling R scripts) running at port 6311 in 2 nodes. Below is my config file. When I run HAProxy, its st...

I'm seeing these messages popping up in syslog: Mar 10 12:51:35 db1 kernel: [5851729.958138] type=1400 audit(1457614295.823:2925931): avc: denied { name_connect } for pid=801 comm="haproxy" dest=...

I'm trying to match urls like: /rivers/1, /rivers/2adsfs, /rivers/sdfd2d with: acl rivers_show path_reg ^/rivers/\w+/? But that does seem to work. Anyone know why?

I am trying to run haproxy with docker. I followed the instructions here : https://hub.docker.com/_/haproxy/ I was able to build the docker image but after trying to run it. using docker run -...

I have inherited a system where it has some performance issues due to network latency. We are using CentOS 5.x, and haproxy 1.5x The reason is that there is a lot of time spent on each API request...

I have spent the past few day working on creating a docker swarm on Digtital Ocean. Note: I don't want to use -link to communicate with the other apps/containers becasue they are technically consid...

Does HAProxy support domain name to backend mapping for path based routing. Currently it does support maps for vhost: frontend xyz <other_lines> use_backend backend1 if { hdr(Host) -i my...

We have 1 loadbalancer with 3 members behind it: main balancer: www.website.com members: web1.website.com, web2.website.com and web3.website.com Currently we are using nginx on the loadbalancer, ...

We have a java web server which is able to serve content over h2c (HTTP/2 clear text) We would like to reverse proxy connections established using h2 (i.e. standard HTTP/2 over SSL) to the java se...

I am attempting to route the following request to the appropriate servers based on the URL identified in the POST body below. I am hoping to accomplish this via a reverse proxy using HAProxy. E.g....

Trying to match the following in haproxy: acl instagiveweb hdr_beg(host) -i foo*.something.com where the url could be foo-staging.something.com or foo.something.com I've looked through the docs ...

I'm working on my personal project on "performance evaluation" of Haproxy using Docker Container. I'm programming with Python and uses iperf for traffic generation. I created several Docker contai...

I am using haproxy to balance a cluster of servers. I am attempting to add a maintenance page to the haproxy configuration. I believe I can do this by defining a server declaration in the backend w...

Here is the situation: I have a number of web servers, say 10. I need to use a (software) load balancer which can be implemented using a reverse proxy server, like HAProxy or Varnish. Now, All the...

We have a Web application using ajax calls to a backend running on different domain (-> CORS needed). The backend consists of a HAproxy 1.4.22 and then multiple Wildflys (running on OpenShift PaaS)...

When I open the haproxy statistics report page of my http proxy server, I saw something like this: Cum. connections: 280073 Cum. sessions : 3802 Cum. HTTP requests: 24245 I'm not using 'appsessi...

Here's the situation. I have clients over a secured network (https) that talk to multiple backends. Now, I wanted to establish a reverse proxy for majorly load balancing (based on header data or co...

We are looking into supporting TLS-PSK for a set of constrained devices that do not have sufficient resources to do the normal TLS handshake using certificates. To that end we are looking for...

I am experiencing some problems, it seems I can't get acl's to work in tcp mode, everything works in http mode. Here is my config. frontend http *:80 acl http_test_acl path_beg -i /test use_back...

I'm using Haproxy with tornado for websocket. My connection working fine if i directly connect to tornado but if i use HAproxy with below config then connection closed after 50 seconds. My Haproxy ...

With Node v0.12.2, the cluster module supports Round-Robin (RR) load balancing, which ensures load is more evenly distributed than the previous OS-level load balancing. So now we are spoilt for ch...

I use HAProxy which sends health check every 10 seconds. It goes in the following fashion: HAProxy -> server: [SYN] server-> HAProxy : [SYN, ACK] HAProxy->server : [RST, ACK] My TCP se...