From d9bfff2f0693a81721e1a612c9fd55ebcd836b7c Mon Sep 17 00:00:00 2001
From: Andrea Dell'Amico <andrea.dellamico@isti.cnr.it>
Date: Tue, 27 Jan 2026 16:50:48 +0100
Subject: [PATCH] haproxy template: remove the port from the Host.

---
 templates/haproxy.cfg.j2 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/templates/haproxy.cfg.j2 b/templates/haproxy.cfg.j2
index 0e73e8e..453f8f3 100644
--- a/templates/haproxy.cfg.j2
+++ b/templates/haproxy.cfg.j2
@@ -142,6 +142,8 @@ frontend http
     option forwardfor
     # HSTS (63072000 seconds)
     http-response set-header Strict-Transport-Security max-age=63072000
+    # Remove the port from the host endpoint.
+    http-request replace-value Host (.*):.* \1
 {% if docker_swarm_cluster_portainer_install %}
     acl portainer_srv hdr(host) -i {{ docker_swarm_portainer_hostname }}
 {% endif %}