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503 Service Unavailable (Traefik + Docker Swarm)
Hello! When using haproxy It seems like I don’t get any responses from my traefik instance I’ve really tried to figure it myself. I had a suspicion that It might be because TLS Self-Signed...
View ArticleHAProxy 504 responses when backends sent 200 responses
Hello Can someone offer some insight on this, I have been pulling my hear out for a week over it. HAProxy v2.9.7 (and 2.3) appears to be losing some requests, resulting in 504 errors due to the...
View ArticleHaproxy with pfsense
Hello, We want to use haproxy as a reverse proxy. Our Web-server is using a spacial Tomcat & Apache Library. It is using for many sites e.x 1- https://web01.maindomain.ch —> from internet...
View ArticleIssue Report: Integration of PowerMTA with HAProxy
Environment Details: HAProxy Version: 2.8.5 PowerMTA Version: 6 Infrastructure: HAProxy and PowerMTA are deployed on separate servers. Problem Description: While attempting to route outbound email...
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Using HAProxy to loadbalance squid proxies
I want to use HAProxy as a forward proxy to load balance across a list of squid instances. I’ve seen repositories using the http_proxy option, but this no longer exists. How do i go about forwarding...
View ArticleReloading config from another service in docker-compose stack
I’m trying to figure out how i can signal the haproxy-ubuntu service to reload configuration from another service in my docker-compose stack. I see a general solution being to mount the docker.sock...
View ArticleOutlook 2016 is not running in HA Proxy Exchange Server 2019 load balancer
Hello everyone. Outlook 2016 is not running in HA Proxy Exchange Server 2019 load balancer. Can anyone help me? 1 post - 1 participant Read full topic
View ArticleTCP failover with open connection
Hi community. I am running a simple test for TCP failover using nc: nc -klv 6001 nc -klv 6002 to listen on both ports specified in the backend and then I run [opc@virutal-prod haproxy]$ nc localhost...
View ArticleTLS 1.2 and TLS 1.3
run TLS 1.3 service from another in TLS 1.2, how is it configured? 1 post - 1 participant Read full topic
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Is this setting possible?
Is this setting possible? Assume test.txt has domains starting with a, b, c. If the request path is /app/a (where we also need a way to recognize the characters after /app/ without specifying the...
View ArticleUDP and address spoofing
Hi all, I’m trying to create some NAT rules using Haproxy (replacing nginx) and I’m struggling with one situation. When I do TCP rules, everything is working properly and I have rules like the...
View ArticleCrt-list verify not working
Hi. I’m trying to client certificate authenticate for an specific domain on my proxy. However, it doesn’t seem to work as expected. I event tried “sni approach” but didn’t work neither. (like: Example...
View ArticleGetting the selected backend after acls were evaluated
Hello Some of my services rely on data that is usually encrypted and needs to be decrypted before the service can be accessed. My haproxy.cfg looks similar to this: frontend main mode http bind *:80...
View ArticleTotally baffling behavior
I’ve used HAProxy for a long time for a simple load balancer in front of client web servers with zero unsolvable issues through multiple upgrades and previous hardware replacement. I am in the process...
View ArticleRecovery HAProxy Config file
During the process of editing the haproxy.cfg file, I accidentally lost all the information in the file. Currently, I only have an old backup file and the HAProxy stats page is still operational. I...
View ArticleDisable connection from specific host by hostname
Hello. Tell me how to use the acl to reject client connections by hostname. I was able to block by IP acl blocked_host src 172.20.40.25 TCP request reject connection if blocked_host But I don’t...
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Subdomain web page 503 Service Unavailable
Suddenly when I try to access to subdomain web page I get this error, main domain web page works. 503 Service Unavailable No server is available to handle this request. I am really bad with this kind...
View ArticleConfiguring proxy for email server
Hi, I want to make imap/pop3/smtp proxy communication to the mail server. I can’t do it with the current configuration. see below config when trying to connect the email client, I receive information:...
View ArticleResponse body is coming as nil using register_fetches and lua
Hi, I am trying to intercept the response body of HTTP requests in a lua script using the register_fetches core API. My lua code is as follows: local function resp_filter(txn) local payload =...
View ArticlePassing https: to 443 to tomcat:8443
I’m running haproxy 2.8.3 with tomcat9 as a backend server. How would I have to configure haproxy such that it serves the address: HAPROXY TOMCAT9 https://cms.site.org/ ==>...
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