diff -Nur mod_wsgi-4.6.4.old/src/server/mod_wsgi.c mod_wsgi-4.6.4/src/server/mod_wsgi.c
--- mod_wsgi-4.6.4.old/src/server/mod_wsgi.c	2022-08-08 15:27:04.978005420 +0800
+++ mod_wsgi-4.6.4/src/server/mod_wsgi.c	2022-08-08 15:30:20.395491862 +0800
@@ -13897,6 +13897,7 @@
             value = apr_table_get(r->subprocess_env, name);
 
             if (!strcmp(name, "HTTP_X_FORWARDED_FOR") ||
+	             !strcmp(name, "HTTP_X_CLIENT_IP") ||
                      !strcmp(name, "HTTP_X_REAL_IP")) {
 
                 match_client_header = 1;