Haproxy maxconn=1 behavior
I’m using haproxy to load balance http servers. Each server for specific backend is set with maxconn=1 Also, I’m using dns discovery to find the servers for the backend. The behavior I’m seeing is,...
View ArticleProblems with # in a path
Hi guys, I’m quite new to HAProxy and now playing around with the HAProxy package in a pfsense firewall. So to my config: I’m using PFSense 2.7.2 with HAProxy package 2.8.3-86e043a. I created a...
View ArticleCustom Solution for Handling HTTP 429 Responses and Retries in HAProxy
Hello HAProxy Community, I am working on a scenario where I need to handle HTTP 429 (Too Many Requests) responses from my backend servers. Specifically, I want to implement a retry mechanism that...
View ArticleHaproxy support udp
Hi, I wanted to know if haproxy supported udp because I’m a bit confused. I notice that on the site of you haproxy that loadbalancer udp is checked and in the forums I notice that udp is managed only...
View ArticleHaproxy as balancer MS RDS Gateway, NTLM Failed
Hi, all! I trying to configure Haproxy as load balancer and failover for ms rds gateways. I want make scheme: Client => Haproxy => RDGATEWAY01, RDGATEWAY02, RDGATEWAY03 By default MS RDG using...
View Article503 Service Unavailable - but the server is there
I have three NextCloud servers, all connected via pfSense/HAProxy. One of them isn’t working properly—I get a “503 Service Unavailable” error when trying to access it externally. However, I can still...
View ArticleHAProxy backends is flapping DOWN and UP
I configured the haproxy with 2 backends for ports 80 and 443. Here is the part for these:- defaults mode tcp ======================== frontend secure bind *:443 default_backend secure frontend...
View ArticleMixed http tcp works, but
So I have a work in progress configuration. Which works if you the comment the bind lines that are used instead of the unix bind lines. I figured this would work but, it simply does not. How can I...
View ArticleWolfSSL and Haproxy compiling issues
Hello Everyone, I am facing some issues having HAproxy-3.0.3 and 2.9 to be compiled against WolfSSL 5.7.2 and 5.6.6. when I try to run haproxy service I get the following error: haproxy: symbol lookup...
View ArticleMutating response headers mystery
I have an haproxy 1.5.18 installed about 10 months ago and the configuration file has not changed. About a month, every now and then going through the proxy results in a CSS or JS fetch having the...
View ArticleRDP session via RD Gateway behind Haproxy stuck
Dear Friends, i use Debian 12 Bookworm and Haproxy for loadbalance traffic between gateways. if all backend servers working without problem, but if simulate failover when put down on of backend...
View ArticleHealth check for a pair of servers
Hi, I have a pair of servers that work as a cluster (let’s say web_server and database_server) and I have 2 instance of each server. I want web_server_1 to be reachable only if database_server_1 is up...
View ArticleHAProxy configure OpenSSL version
We have a system that has two versions of OpenSSL installed: 1.1.1 and 3.0. We run HAProxy 2.6 which automatically loads OpenSSL 1.1.1. Is there a way to manage the OpenSSL version selection? 1 post -...
View ArticleConfiguring OpenSSL configuration file
We want to configure OpenSSL through a custom configuration file: https://docs.openssl.org/3.0/man5/config/ Is there a way to achieve that with HAProxy? 1 post - 1 participant Read full topic
View ArticleHow to deploy HA Proxy as a pod in Kubernetes
Hi Team, Our Jitsi application is running on Kubernetes and from Jitsi community I got to know that we need HA proxy for Jitsi load balancing. Hence I need help if you can guide me, Is there is any HA...
View ArticlePort doubling with set-dst-port
Hi, We use HAProxy as our load balancer and as a stickiness mechanism to direct requests to specific backend servers. We recently added a new endpoint to our backend service and so we need to set the...
View ArticleNecessity of using both 'balance source' and 'stick on src' in HAProxy...
Dear HAProxy community, I’m currently configuring HAProxy for a SOCKS5 proxy setup, particularly to handle connections to websites like https://claude.ai. I have the following configuration: listen...
View ArticleHTTP/3 Firefox NS_ERROR_NET_INTERRUPT
Hello, Haproxy users, does anybody here use Haproxy with HTTP/3 QUIC? Do you see occasional NS_ERROR_NET_INTERRUPT errors in Firefox? Since I moved my systems from IPVS kernel-based load balancing to...
View ArticleUnable to forward request to backend servers
Environment HAProxy = One Node (version 2.4.22-3.el9, community edition) OS = RHEL9 IP = 10.100.51.94 Backend Server = Two Nodes OS = RHEL 8 Node01 IP = 10.100.51.68 Node02 IP = 10.100.51.70 Firewalld...
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Haproxy pauses the flow. help needed
Hi. A mobile app has the following connection chain: mobile app (https) → AWS NLB (tcp/443) → haproxy on EC2 instance (https) → AWS ALB (http) → backend on AWS Fargate I’ve discovered that sometimes...
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