Thousands of 'SSL Handshake Failures' logged - tcp-keepalive issue?
Running HA-Proxy version 2.0.25-1ppa1~xenial on Ubuntu 16.04.7 LTS We are seeing a large amount of “Connection closed during SSL handshake” messages logged - 25% of messages logged. I ran tshark to...
View ArticleManaging servers with DataPlaneApi
Hello, I’m using some curl scripts on DataPlaneApi to add and remove servers to a haproxy backend. That works very well in all but one point. It seems I’m losing all open calls to haproxy when I...
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Rate limit issue facing at my org
This is the config I am using : backend st_user-profile stick-table type string size 100k expire 1s store http_req_rate(1s) frontend user-web-fe bind *:443 ssl crt /etc/haproxy/secure.org.com.pem...
View ArticleHow redirect specific path to another backend?
Please help here is my config which does not working global log /dev/log local0 log /dev/log local1 notice chroot /var/lib/haproxy stats socket /run/haproxy/admin.sock mode 660 level admin expose-fd...
View ArticleHow redirect specific url path to another backend?
here is my config please check global log /dev/log local0 log /dev/log local1 notice chroot /var/lib/haproxy stats socket /run/haproxy/admin.sock mode 660 level admin expose-fd listeners stats timeout...
View ArticleGetting HAProxy to use TLS towards backend fails
Hiya, I’m quite new to HAProxy, so please bear with me if I seem to be a bit confused. I’m using HAProxy version 2.6.9-1 … Built with OpenSSL version : OpenSSL 1.1.1n 15 Mar 2022 Running on OpenSSL...
View ArticleConfigure haproxy to disable server on first returned 503
Hello, I want to configure my backend in a way, that any server returning a 503 (or general 5xx) error should be taken offline until it passes the health check again. This should happen immediately...
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About haproxy log
Good day i am newbie here just want to ask why my haproxy log shows only few info sample: [root@BLoadB log]# tail -F haproxy.log Apr 28 11:13:54 localhost haproxy[2013]: Proxy t2apps started. Apr 28...
View ArticleAuthentication via Kerberos requires two logins
Dear Community, I run a (Windows IIS) web server in a cluster of 2 servers where authentication via Kerberos is implemented. The login to each of the servers works fine. If I now switch a HAPROXY in...
View ArticleCorrectly using sticky bit with restriction rules
I have some questions about my haproxy config.Please help me and check my sticky bit rules , thanks for attention! should “sc_http_req_rate(4)” match “track-sc4” ? Both should have 4 ? should...
View ArticleReturning a 429 without a net::err_failed
I have some code in my haproxy.cfg file that rate limits requests and returns a 429 and it works beautifully. However, it returns a net::ERR_FAILED and skips past some error handling code I have on...
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Server Disconnects / TCP Window Full
Hello together, we are using HAproxy widely, but we’re actually facing a strange problem, I can’t get behind and hope, someone can help Our constellation: Client => HAproxy => Dockerhost with...
View ArticleIIS server connection to itself for monitoring issue
We have a HAproxy as a replacement for the old NLB, but we are facing an issue. We have scripts running on the nodes themselves that check if the NLB is working properly. Now we are seeing some weird...
View ArticleCRITICAL - HAProxy SSL Handshake failure issue
Hi Team, Good Day! Configured HAProxy to proxy the request to the backend server Configured to listen at HTTP and HTTPS ports respectively (80 and 443 ports respectively) Configured the SSL...
View ArticleTCP only proxy changes https to http
I have a very simple tcp proxy where the backend is serving SSL encrypted content. My understanding is that in the config below there is no manipulation of the content passing through; however, some...
View ArticleAdd authorization header per backend
I want to add an autorization header per backend, it’s possible? I already try this but is not working backend default_ad_agent mode http http-request add-header Authorization "xxxx" if { srv_id 1 }...
View ArticleSetting max concurrent HTTP requests per frontend
Hello, I have 2+ servers running on one VM, and I want to only process one HTTP request at a time across all of them (they’re performing brief, mem and CPU-intensive work). Protect Servers with...
View ArticleSeeing extremely large numbers in gpc0_rate counter in stick table
Hi: We are using HAProxy community version 2.2.24. We are using the gpc counters for rate limiting and it works well, however it seems every once in a while, we see extremely large numbers for...
View ArticleIs there an equivalent of flush_interval (Caddy) in HAProxy?
I’m having trouble with a piece of software n8n.io They have some issues working through proxies and they advise in their installation guide for Caddy to set flush_interval -1 By default, the proxy...
View Article503 Service Unavailable - No serveris available
Dear all, I’m using HAProxy plugin for OPNSense and I followed few online tutorials and all of these ended up in the same way: 503 Service Unavailable No server is available to handle this request. I...
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