From a4643a685cb4acb81a5655ef3a5c8b9bbc588c0c Mon Sep 17 00:00:00 2001
From: villepeh <100730729+villepeh@users.noreply.github.com>
Date: Mon, 28 Mar 2022 13:48:18 +0300
Subject: [PATCH] HAProxy guide update (#12279)

HAproxy reverse proxy guide update to stop sending IPv4-mapped address to HS.
---
 changelog.d/12279.doc | 1 +
 docs/reverse_proxy.md | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)
 create mode 100644 changelog.d/12279.doc

diff --git a/changelog.d/12279.doc b/changelog.d/12279.doc
new file mode 100644
index 0000000000..ca07104c90
--- /dev/null
+++ b/changelog.d/12279.doc
@@ -0,0 +1 @@
+HAProxy reverse proxy guide update to stop sending IPv4-mapped address to homeserver. Contributed by @villepeh.
diff --git a/docs/reverse_proxy.md b/docs/reverse_proxy.md
index 1a89da50fd..5a0c847951 100644
--- a/docs/reverse_proxy.md
+++ b/docs/reverse_proxy.md
@@ -182,7 +182,7 @@ matrix.example.com {
 
 ```
 frontend https
-  bind :::443 v4v6 ssl crt /etc/ssl/haproxy/ strict-sni alpn h2,http/1.1
+  bind *:443,[::]:443 ssl crt /etc/ssl/haproxy/ strict-sni alpn h2,http/1.1
   http-request set-header X-Forwarded-Proto https if { ssl_fc }
   http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
   http-request set-header X-Forwarded-For %[src]
@@ -195,7 +195,7 @@ frontend https
   use_backend matrix if matrix-host matrix-path
 
 frontend matrix-federation
-  bind :::8448 v4v6 ssl crt /etc/ssl/haproxy/synapse.pem alpn h2,http/1.1
+  bind *:8448,[::]:8448 ssl crt /etc/ssl/haproxy/synapse.pem alpn h2,http/1.1
   http-request set-header X-Forwarded-Proto https if { ssl_fc }
   http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
   http-request set-header X-Forwarded-For %[src]
-- 
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