[master] 8bfc5948c Update vcl-backends.rst

[Nils Goroll]

commit 8bfc5948c5031d4ca83a8ae200977d14fa5f0b75
Author: martin-uplex <martin-uplex at users.noreply.github.com>
Date:   Mon May 22 17:01:06 2023 +0200

    Update vcl-backends.rst
    
    restriction to port 443 in haproxy config inflexible and unnecessary

diff --git a/doc/sphinx/users-guide/vcl-backends.rst b/doc/sphinx/users-guide/vcl-backends.rst
index 76ef15e1c..a4708b8b1 100644
--- a/doc/sphinx/users-guide/vcl-backends.rst
+++ b/doc/sphinx/users-guide/vcl-backends.rst
@@ -179,9 +179,9 @@ higher, this snippet can be used as a basis for configuring an
             bind    /path/to/sslon accept-proxy mode 777
             stick-table type ip size 100
             stick   on dst
-            server  s00 0.0.0.0:443 ssl ca-file /etc/ssl/certs/ca-bundle.crt alpn http/1.1 sni fc_pp_authority
-            server  s01 0.0.0.0:443 ssl ca-file /etc/ssl/certs/ca-bundle.crt alpn http/1.1 sni fc_pp_authority
-            server  s02 0.0.0.0:443 ssl ca-file /etc/ssl/certs/ca-bundle.crt alpn http/1.1 sni fc_pp_authority
+            server  s00 0.0.0.0:0 ssl ca-file /etc/ssl/certs/ca-bundle.crt alpn http/1.1 sni fc_pp_authority
+            server  s01 0.0.0.0:0 ssl ca-file /etc/ssl/certs/ca-bundle.crt alpn http/1.1 sni fc_pp_authority
+            server  s02 0.0.0.0:0 ssl ca-file /etc/ssl/certs/ca-bundle.crt alpn http/1.1 sni fc_pp_authority
             # ...
             # A higher number of servers improves TLS session caching