HAproxy — How to forward traffic to backend by a matching header?
You need a check header (hdr in haproxy) value via ACL. Try it: Test for you header: The logic: IF X-DEMO-HOST-VERSION=test use test_backend ELSE use prod_backend UPD: If u need…
HaProxy
HAProxy Network Error: cannot bind socket
Introduction An HAProxy cannot bind socket error message is generated when there is another process listening on the same interface and TCP port combination that HAProxy is configured to use,…
How To Troubleshoot Common HAProxy Errors
Introduction There are three main commands, and a common log location that you can use to get started troubleshooting HAProxy errors. Generally when you are troubleshooting HAProxy, you will use…
HAProxy configuration for Windows Exchange Server 2016/2019
HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web…
HAProxy cannot bind socket for proxy on a remote machine
net.ipv4.ip_nonlocal_bind=1 to /etc/sysctl.conf and running sysctl -p
How to install and configure HAproxy on Ubuntu 22.04 LTS
HAProxy is an open-source Linux load balancer and it is fast, secure, and easy to understand to use. The readers who are unfamiliar with the term LOAD BALANCER, for them,…
Exchange 2013/2016: Switching from Zen Load Balancer to HAProxy
I’m still a huge fan of Zen (Zevenet) Load Balancer, and it’s been serving our Exchange servers for a couple of years. HOWEVER, Zen’s features are a bit limited and…