Issue redirecting to external website (haproxy acting as a webproxy for...
Hello, I’m using haproxy for restricted internet access for some computers that do not have access to the internet. I am able to get all sites to work (Ups & emaint), but for some reason...
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Unable to load certificate chain
Hi all, I got called into a setup where the SSL cert will expire tonight and OPNsense / HAProxy and gets stuck with the error below whenever the cert is assigned to a virtual service: ALERT] (6741) :...
View ArticleLoad balance TCP sessions based on packet
I am setting up Haproxy in tcp mode. Back end will be set of servers that acts as hub server for set of clients. Since hub server maintains session, load balancer need to route packets to specific...
View ArticleTimeout error when user request URL taping proptocol
Hi, I’m kind of new with haproxy so apologies first. We use version 1.8.8 as reverse proxy. Everything works fine with one small exception. When a user writes the URL adding the HTTPS protocol (i.e...
View ArticleHow to read Request and Response using Lua Plugin
We have a usecase where we need to read request and response for API calls being proxied via HAProxy. We tried and we could only have read http request body, and not response. Any documentation that...
View ArticleSNI and advanced configuration of custom error pages
Is it possible to setup custom error pages in haproxy but only when the backend does not respond. ie when the backend is down haproxy sends out 503 error pages. We want our multidomain haproxy to send...
View ArticleACL and redirection backend with specific word in path
Hi, I hope to use the right terms for my explanation of the configuration I’m trying to operating with HAProxy. I wish I could tell HAPROXY to detect 2 words in the URL and then redirect to the right...
View ArticleLoad Balancing Speed Issues
We are trying to see why the speed of load balancing is slower than connecting to the server itself. Version 2.4.17 and any other version we tested We have a simple go http server setup on 3 different...
View ArticleOpenssl 3.x speed issues
Hi, We’re having issues upgrading from ubuntu 20.04 to ubuntu 22.04. After test different haproxy versions (the one shipped by ubuntu, 2.4, and 2.7.3) and different openssl versions (the one shipped...
View ArticleHow can use slave for some read operations?
I have A master and a slave PostgreSQL data bases. I would like to know that major read operations can process with slave for reducing load in master ?? for example : I have a large number of...
View ArticleUnderstnd DNS resolver behaviour
Hi We have a high-traffic HAPROXY POD running in the k8s environment. This HAPROXY POD acts as a proxy for a lot of backend services. All backend services are headless services, so upon service DNS...
View ArticleUnspecified DNS error - HAProxy is failing whenever the number of IPs reaches...
Hello, I encountered an issue where haproxy fails whenever I scale up more replicas of the backend service. When the number goes beyond 27 by a single instance, haproxy goes in maintenance as down due...
View ArticleDoes HAProxy support multiple certificates for the same domain?
I have two Ubuntu servers both running Docker and have a few containers on each listening on various network ports. I have two public domains but only WAN IP address therefore I need a reverse proxy...
View ArticleTLS1.3 Signature Algorithm Configuration
Hi Team , Certificate being returned by a server during TLS 1. 3 handshake. We have an ssl bind(server) opened up on particular port . this particular bind “crt” has been loaded with both ECDSA and...
View ArticleResolvers: order/categories/fallback?
Is it possible to use a primary one (say, 127.0.0.1:53) and fall back on a number of others if the primary one fails? Thanks, Gerardo 1 post - 1 participant Read full topic
View ArticleLooking for HAProxy behind Cloudflare tutorial / example
Hi, I used the search before opening this thread and realized that there are several similar threads, but no one with a solution … First of all, I am a tech enthusiast with a home lab and don’t manage...
View ArticleThreatmark Haproxy setup
Hello, My department received a request from a client to reconfigure haproxy so that it can work as a reverse proxy and communicate between a client request and treatmark servers. The whole setup...
View ArticleDefault to second map when no hit in first one
The Goal Im trying to filter access to certain services to my internal IPs only. I use an acl to determine if traffic is coming from an authorized subnet: frontend front mode http acl is_intern src...
View ArticleCan we set one haproxy to deal with multi domains requests ？
in the current configuration, we are using www.abc.com(suppose is 10.10.10.1) as dns name of haproxy server . it can deal with request of www.abc.com, just like this www.abc.com/url1 ------>...
View ArticleJwt-verify and multiple keys/key rotation
Hello, I’m trying a haproxy / OIDC setup with tokens from Azure AD. Unfortunately they have a very fast key rotation and a static file is not an option. Additionally they have mutliple keys active at...
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