Percentage Based Routing and NOSRV
I have setup a percentage based routing configuration by splitting two different clusters into two different backends through some redirection back through front ends as seen below. (note: this is my...
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View ArticleDNS Discovery Flapping
Every now and then we see multiple backends flapping with this messages is going DOWN for maintenance (entry removed from SRV record) And sometimes when this message appears, traffic goes to BUSY for...
View ArticlePFSense HAProxy possible to use "dynamic (domain) name" in rspadd header?
Hi, I’m fine tuning my PFSense HAProxy settings for additional security through removing and adding headers. PFSense version = V2.6.0 HAProxy version = 1.8.30-c248dab One of such headers is the...
View ArticleGeoIP, Host, ACL and mapping
Hi, I use these ACLs to allow requests from certain countries to certain hosts. In my case, domain owners can choose the countries for accessing their sites themselves. acl acl_NA src -f NA.txt acl...
View ArticleUtilising healthcheck endpoint running on the same machine as HAProxy?
Hey everyone, TL;DR: Is it possible to make use of a /health endpoint that is running locally on the HAProxy box, when doing health checks for a back-end? I know that we can specify a health-checking...
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Not putting any load on the Redis server that is returned from the haproxy
Hi, It’s my first time using HAproxy and English is not my mother language I hope you understand my system’s version HAproxy 2.1.7 Redis 5.0.7 dotnetcore 3.1 StackExchange.Redis.Extension.Core 5.5.0 I...
View ArticleWhy keep port 80 and 443 open, and how can I customize a direct ip hit response?
So, every site as far as I can tell keeps port 80 open for some odd reason. Stackpath does 151.139.128.11:80 and 151.139.128.11:443 Port 80 sends about 500 bytes of headers for a response, and 443 is...
View ArticleOPNSense HAProxy - Web not routing properly
Hey, I’m pretty new to HAProxy. I have HAProxy for OPNSense installed. I need to route the websites like this: aaa.website.com → 10.0.0.20:3000 bbb.website.com → 10.0.0.20:9001 I’ve followed through a...
View Article502 Bad Gateway, response from upstream server is blocked by haproxy
Issue: Haproxy is blocking a response from the upstream server and responding back to the client with 502 Bad Gateway. The show error output says " error at position 181" Can anyone help in...
View ArticleBackend server not avaliable for layer6 timeout
Hi Team we need your help to resolve the issue, we are getting 503 error intermittently for our servers. haproxy configuration: #log 127.0.0.1 local2 debug log 127.0.0.1:514 local0 debug chroot...
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LB complex algorithms combination and anonymity issues
Detailed Description of the Problem Shot out to the HaProxy team and maintainers, keep up the good work guys ! I am in the situation of managing a complex proxy architecture composed of multiple...
View ArticleSwitch from NGINX to HAProxy
I am trying to change load balancing, which I am using, the main purpose I need this for using Docker Swarm’s DNSRR endpoint mode which nginx cannot resolve. I’ve such nginx config: server { listen...
View ArticleLoad Balancing With Kerberos
I’m using haproxy to load balance more than one .net applications. IIS servers cofigured for running https and haproxy too. There are only one self signed certificate, and it’s subject contains all of...
View ArticleSquid connect host
I am load balancing some squid servers with haproxy. All is working Ok. Now i must route some https/Connect-requests to a special backend pool. The routing of the http-requests to this backend-pool is...
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HAProxy Session Persistence v.s. Drain State
Hello HAProxy community! I am seeking clarification on documentation concerning session persistence and the drain state. In a few words, can I leverage cookie/ip “session persistence” (linked above)...
View ArticleMulti-process is deprecated so master-worker with 1 child only?
What is the recommended way to use master-worker (for seamless upgrades)? master-worker “It is recommended to use this mode with multiprocess and systemd.” nbproc " This directive is deprecated and...
View Article`path_sub` Networking
Hi everybody, I want to route my requests according to its final destination regarding both the dns of the endpoint targeted or/and some part of the url path. I have not found satisfying results using...
View ArticleAnonymous Configuration
Hi everybody, I am using HaProxy as a forward proxy with load balancing routing requests through proxies from low end proxy providers ips before hiting the final endpoint, hence, I need to spoof some...
View ArticleNeed help on Load Balancing algorithms
Hi everyone, Some of my load balancers have to implement a Least Time type algorithms and some other need to use a combination of a Power of two random choices type algorithm with a Least Time one...
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