How to allow only warning and TLS connection logs on haproxy.log file
Hi Team, I am trying to configure my haproxy to capture TLS connections to the system. I am able to achieve this by using the following method global daemon nbproc 1 # number of processing cores stats...
View ArticleHaproxy for HTTPS as a web proxy to internal lan
Hi All, I configured an haproxy ( 1.8.19 ) on a debian 10 running on AWS services, then I configured a static VPN from AWS to our office. I created config for HTTP on default port with particular ACL...
View ArticleHow to get traffic to HAProxy?
I have a Ubiquiti EdgeRouter Lite and running NGINX on it right now as a reverse proxy. Suddenly started acting odd for RDP traffic so thought I would try HAProxy. Right now I have NGINX running ON...
View ArticleSsl ciphers and ssl version statistics
To keep up to date server side TLS configuration and don’t lose my clients I need to know what ssl ciphers and ssl version clients use. I can log it: %sslc - ssl_ciphers (ex: AES-SHA) %sslv -...
View ArticleTracking multiple servers on Backend server line
Can I track multiple servers on the backend server? for e.g. backend app1 server talaiaclu01-app1 192.168.211.13:8080 cookie server1 maxconn 1000 track...
View ArticleAuto load-balancing HAProxy with docker
Hello everybody, TL;DR: Is it possible to spin up a HAProxy instance and then without configuring it anymore, have other docker services automatically reverse-proxied and load-balanced? I already used...
View ArticleHAProxy "ERR_SSL_PROTOCOL_ERROR" Just started happening
Afternoon everyone, just recently my HAProxy (through pfSense) just started giving this error to external connections. HA Proxy has been up and running for years without issues. If I browse to the...
View Article502 Bad Gateway The server returned an invalid or incomplete response
Hello, I’m a simple backend: backend lms_be option httpchk HEAD / HTTP/1.1\r\nHost:\ lms.FQDN option accept-invalid-http-response server lms_be1 10.11.106:80 check when my client do a post request:...
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SSL Termination with exception for a specific domain Wildcard SSL-Certificate...
I am new to HAProxy and got most parts working as expected. The current setup is: If I add a new site to one of the balanced (behind the LB) servers, the certificate is issued and served by the Load...
View ArticleAm I running HAProxy twice?
I was looking at running processes and was curious if this means I’m running HAProxy twice: [root@haproxy ~]# ps -ef | grep haproxy root 1043 1 0 12:42 ? 00:00:00 /usr/local/sbin/haproxy -Ws -f...
View ArticleHAPROXY TCP Forward Based on Server or URL
I have a docker swarm with 3 manager nodes that I would like to load balance. I have 2 stacks running on the swarm right now. The stacks are using the following ports. Stack1 3080 - Web 3443 - Secure...
View ArticleMap wildcard domain to backend via map
Hello, In my current setup I have a backends.map file mapping fqdn to backend name: backends.map file: somehost.somedomain.com back-someservice Frontend use_backend line: use_backend...
View ArticleHAProxy Load Balance Server Site can't be reach
Hi all, I was new with Centos 8 and new to HAProxy. I properly installed haproxy on my server and already config my haproxy.cfg. but when try to reach my IP on my browser i was have a result of site...
View ArticleNew Install 503 unavailable
First time install of haproxy 1.8.23-3 on a centos 8.2 box I have found many examples for configuration files, varying slightly but am getting a service unavailable 503 when i try to access the shared...
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POST Issues - Error 500 return
Hello Haproxians. I need your help. I have a Haproxy server balancing between 2 IIS on the back, consuming webservices. And when I try to do a Layer7 check it always return a 500 error code. Can...
View ArticleRunning haproxy behind nginx to reverse proxy node app
I’m running a mailinabox server that is using nginx as a web server. That app controls the nginx config, and so I’m trying to use haproxy to expose my node app to a particular subdirectory of this...
View ArticleH2 backend with websocket
we are using latest haproxy 2.2.4 as loadbalancer in front of multiple tomcat 9 instances. i enabled h2 via frontend: bind *:443 ssl crt /etc/ssl/private/star.qeep.net.pem alpn h2,http/1.1 backend:...
View ArticleUnexpected Frontend Connection Closures by HAProxy
HAProxy is occasionally closing frontend connections prematurely, and I can’t determine why that is. Frontend connections are configured with a timeout of 90 seconds. However, in some cases HAProxy is...
View ArticleMAX_Conn with redirect
Hi, I’m looking for a way to configure my web servers with MAX_CONN parameter and eventually, when all the webservers on the pool will get fully allocated with MAX_CONN, the next request will be...
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Proxy Protocol v2 is messing up TLS handshake
Hello! Our company provides Proxy-like solution with Load balancing for our customer, one of our new customer wants to have the packets send to him from us with the Proxy Protocol v2 for HTTPS...
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