diff -u /home/rlake/apachesvn/trunk/modules/proxy/mod_proxy.c /home/rlake/proxy21/mod_proxy.c
--- /home/rlake/apachesvn/trunk/modules/proxy/mod_proxy.c	Wed Mar 23 00:22:43 2005
+++ /home/rlake/proxy21/mod_proxy.c	Fri Apr  8 11:06:26 2005
@@ -677,6 +677,11 @@
             /* TODO: reclycle direct worker */
         }
     }
+    if (conf->auth_override && access_status == HTTP_UNAUTHORIZED) {
+        apr_table_unset(r->err_headers_out, "WWW-Authenticate");
+        r->status_line = NULL;
+        return conf->auth_override;
+    }
     return access_status;
 }
 
@@ -715,6 +720,8 @@
     ps->maxfwd_set = 0;
     ps->error_override = 0; 
     ps->error_override_set = 0; 
+    ps->auth_override = 0; 
+    ps->auth_override_set = 0; 
     ps->preserve_host_set = 0;
     ps->preserve_host = 0;    
     ps->timeout = 0;
@@ -756,6 +763,7 @@
     ps->io_buffer_size = (overrides->io_buffer_size_set == 0) ? base->io_buffer_size : overrides->io_buffer_size;
     ps->maxfwd = (overrides->maxfwd_set == 0) ? base->maxfwd : overrides->maxfwd;
     ps->error_override = (overrides->error_override_set == 0) ? base->error_override : overrides->error_override;
+    ps->auth_override = (overrides->auth_override_set == 0) ? base->auth_override : overrides->auth_override;
     ps->preserve_host = (overrides->preserve_host_set == 0) ? base->preserve_host : overrides->preserve_host;
     ps->timeout= (overrides->timeout_set == 0) ? base->timeout : overrides->timeout;
     ps->badopt = (overrides->badopt_set == 0) ? base->badopt : overrides->badopt;
@@ -1150,6 +1158,23 @@
     return NULL;
 }
 static const char *
+    set_proxy_auth_override(cmd_parms *parms, void *dummy, const char *arg)
+{
+    proxy_server_conf *psf =
+    ap_get_module_config(parms->server->module_config, &proxy_module);
+
+    if (strcmp(arg, "403") == 0)
+       psf->auth_override = 403;
+    else if (strcmp(arg, "404") == 0)
+       psf->auth_override = 404;
+    else if (strcasecmp(arg, "off") == 0)
+       psf->auth_override = 0; 
+    else
+        return "ProxyAuthOverride must be 403, 404 or Off";
+    psf->auth_override_set = 1;
+    return NULL;
+}
+static const char *
     set_preserve_host(cmd_parms *parms, void *dummy, int flag)
 {
     proxy_server_conf *psf =
@@ -1557,6 +1582,8 @@
      "Configure Via: proxy header header to one of: on | off | block | full"),
     AP_INIT_FLAG("ProxyErrorOverride", set_proxy_error_override, NULL, RSRC_CONF,
      "use our error handling pages instead of the servers' we are proxying"),
+    AP_INIT_TAKE1("ProxyAuthOverride", set_proxy_auth_override, NULL, RSRC_CONF,
+     "override authentication requests from the origin server: 403 | 404 | Off"),
     AP_INIT_FLAG("ProxyPreserveHost", set_preserve_host, NULL, RSRC_CONF,
      "on if we should preserve host header while proxying"),
     AP_INIT_TAKE1("ProxyTimeout", set_proxy_timeout, NULL, RSRC_CONF,
diff -u /home/rlake/apachesvn/trunk/modules/proxy/mod_proxy.h /home/rlake/proxy21/mod_proxy.h
--- /home/rlake/apachesvn/trunk/modules/proxy/mod_proxy.h	Wed Mar 23 00:22:43 2005
+++ /home/rlake/proxy21/mod_proxy.h	Fri Apr  8 10:56:40 2005
@@ -159,6 +159,8 @@
      */
     int error_override;
     int error_override_set;
+    int auth_override;
+    int auth_override_set;
     int preserve_host;
     int preserve_host_set;
     apr_interval_time_t timeout;