Adding auth_user documentation for auth {} blocks.

diff --git a/doc/reference.conf b/doc/reference.conf
index db4ddf29c310555723d8e3bdbd5499b41038d378..cab7790c6028b8ab517e1ad56d53f6105d368ba6 100755 (executable)
--- a/doc/reference.conf
+++ b/doc/reference.conf
@@ -326,6 +326,12 @@ auth {
        user = "*@172.16.0.0/12";
        user = "*test@123D:B567:*";
 
+       /* auth_user: This allows specifying a username:password instead of
+        * just a password in PASS, so that a fixed user@host is not
+        * necessary for a specific auth{} block.
+        */
+       #auth_user = "SomeUser";
+
        /* password: an optional password that is required to use this block.
         * By default this is not encrypted, specify the flag "encrypted" in
         * flags = ...; below if it is.