doc: Add link to listen_addresses as cause of connection failure

Reported-by: [email protected]
Discussion: https://postgr.es/m/171494070007.703.17021965362263796980@wrigleys.postgresql.org

Backpatch-through: master

diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index a47fa67b38007cb44a4c87227a7ac9390ae5d15b..bcd81e241581d0a7ee5e545e19bfa01ab2e064de 100644 (file)
--- a/doc/src/sgml/runtime.sgml
+++ b/doc/src/sgml/runtime.sgml
@@ -637,7 +637,8 @@ psql: error: connection to server at "server.joe.com" (123.123.123.123), port 54
      This is the generic <quote>I couldn't find a server to talk
      to</quote> failure. It looks like the above when TCP/IP
      communication is attempted. A common mistake is to forget to
-     configure the server to allow TCP/IP connections.
+     configure <xref linkend="guc-listen-addresses"/> so that the server
+     accepts remote TCP connections.
     </para>
 
     <para>