2,595 questions
0 votes
1 answer
65 views
Is it possible to route traffic through another server with HAProxy?
I have a specific problem where I have a host that cannot be connected to from outside IPs (let's call it server 1), but can initiate connections with other servers. However, I need to make a TCP ...
0 votes
0 answers
43 views
Can Hap Proxy proxy h3 connection to an h3 server?
I can see documentations for listening for h3 connections and forwarding to http1.1 or 2. But can it forward as a http3? I am using this config backend my_quic_backend mode http ...
0 votes
1 answer
223 views
Get all the details of a request in haproxy lua
Working with version 2.8 I'm trying to get some information from a request. This is just a test/local development phase. Trying to get URL, payload, params, headers etc. I see that haproxy has a ...
0 votes
0 answers
93 views
HAProxy [SPOE] how to set txn variable on request that can be used during the response
During on-frontend-http-request i set a Txn variable which can be used during on-http-response but this always cames as Nil I tried all scopes None works Here is the log snippet 2025/05/06 15:48:05 ...
1 vote
0 answers
54 views
How to output nested json objects in log-format using the %{+json}o flag
I am trying to output some nested json in my custom log format. My current log-format is (pretty printed): { "type":"http", "datetime_gmt":"%T", "...
0 votes
0 answers
68 views
HAProxy SPOE processing http2 messages Configuration
My opentrb servers listen on http/2 and receive protobuf messages, and for that, I have configured HAProxy SPOE for analytics purposes for requests/responses. The problem is that when Agent receives ...
0 votes
0 answers
53 views
Missing stick-table key on TCP session info - HAProxy 3.1.6
I'm working with HAProxy 3.1.6 and this is the question: is there any way to link TCP sessions with the key used from the sticky-table? If I do this: echo "show table back.82e4240d-d3f3-407f-88f5-...
0 votes
0 answers
40 views
Apache URL rewrite that correctly maps HTML links to sub URL
I have a website with this simple configuration: <Directory /websites/> Options -Indexes -FollowSymLinks +Includes AllowOverride All Order deny,allow Require all granted </...
0 votes
0 answers
59 views
HA Proxy Route based Config on different port
I have below haproxy config. frontend main bind :443 ssl crt /etc/haproxy/example.uat.pem ciphers DEFAULT:!LOW:!RC4-SHA:!RC4-MD5:!DES-CBC-SHA:!DES-CBC3-SHA no-sslv3 no-tlsv10 no-tlsv11 bind ...
2 votes
1 answer
120 views
Websockets failing to work from HAProxy to Nginx/Passenger to Rails
I'm modifying our web app to be able to ingest (and pass along) real time events from Kafka. Since this is a Rails app, I'm using the built-in Action Cable. The frontend is React and is using @rails/...
1 vote
0 answers
75 views
`ping` Fails Inside HAProxy Docker Container
# Dockerfile FROM haproxy:2.6-bullseye USER root RUN apt update && apt install -y iputils-ping iptables COPY test.cfg /usr/local/etc/haproxy/haproxy.cfg ENTRYPOINT ["ping", "8.8....
0 votes
0 answers
36 views
High available but lost transactions. Keepalived closes the connection unexpectedly when switching master and slave
Describing Cluster of two VM was deployed for HA based on ton of coolguides of pro guys. e.g. : https://grimoire.carcano.ch/blog/high-available-ha-proxy-tutorial-with-keepalived/ Pipeline HAproxy + ...
-1 votes
1 answer
101 views
How to configure kubernetes' haproxy-ingres for host or path?
With this setup I was able to get 'global' settings for haproxy ingress controller. Can I modify this settings to change configuration on a host or path level? apiVersion: networking.k8s.io/v1 kind: ...
0 votes
0 answers
59 views
Haproxy unable to reach backed server
Im trying to use a server address for sending some data, this is my haprox_cfg file, either I'm getting a layer6 timeout failure or 503 error frontend haproxy-health bind *:8080 ...
0 votes
0 answers
75 views
HAProxy Lua: Loading Protobuf Modules with Dependencies
I'm working with HAProxy and have generated Lua code from Protobuf files. These files are structured as follow in the /etc/haproxy/lua The HAproxy is compiled with LUA flag tree . └── beeswax ├── ...