diff -ru httpd-2.0.51/modules/loggers/mod_log_config.c httpd-2.0.51.new/modules/loggers/mod_log_config.c
--- httpd-2.0.51/modules/loggers/mod_log_config.c	2004-06-01 17:30:16.000000000 +0200
+++ httpd-2.0.51.new/modules/loggers/mod_log_config.c	2004-09-20 16:29:40.000000000 +0200
@@ -321,10 +321,19 @@
 
 static const char *log_remote_user(request_rec *r, char *a)
 {
-    char *rvalue = r->user;
-
-    if (rvalue == NULL) {
-        rvalue = "-";
+    char *rvalue;
+    const char *sent_pw;
+    
+    if (r->user == NULL) {
+        /* Try to get user from basic authentication data if available.
+         * Useful in reverse proxy scenarios where the real servers
+         * are using basic auth and we need user logging */
+        if (ap_get_basic_auth_pw(r, &sent_pw) == OK) {
+            rvalue = r->user;
+        } 
+        else {
+            rvalue = "-";
+        }
     }
     else if (strlen(rvalue) == 0) {
         rvalue = "\"\"";