--- mod_limitipconn.c	2008-03-02 17:06:20.000000000 -0600
+++ mod_limitipconn.c	2013-05-02 15:27:55.000000000 -0500
@@ -42,6 +42,8 @@
  /* array of MIME types to limit check; all other types are exempt */
     apr_array_header_t *excl_limit;
 
+    char log_only;
+
 } limitipconn_config;
 
 static limitipconn_config *create_config(apr_pool_t *p)
@@ -187,8 +189,14 @@
                     "Rejected, too many connections from this host.");
       /* set an environment variable */
       apr_table_setn(r->subprocess_env, "LIMITIP", "1");
+      if (!cfg->log_only) {
       /* return 503 */
-      return HTTP_SERVICE_UNAVAILABLE;
+          return HTTP_SERVICE_UNAVAILABLE;
+      }
+      else {
+          return DECLINED;
+      }
+
     } else {
         ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
                      "mod_limitipconn: OK: Passed all checks");
@@ -291,6 +299,21 @@
     return NULL;
 }
 
+/* Parse IPLimitOnlyLog Directive */
+static const char *log_only_cmd(cmd_parms *parms, void *mconfig,
+                                       int arg)
+{
+    limitipconn_config *cfg = (limitipconn_config *) mconfig;
+    limitipconn_config *scfg = (limitipconn_config *)
+    ap_get_module_config(parms->server->module_config, &limitipconn_module);
+
+    /* Per-directory context */
+    cfg->log_only = arg;
+    /* Per-server context */
+    scfg->log_only = arg;
+    return NULL;
+}
+
 /* Parse the OnlyIPLimit directive */
 static const char *excl_limit_config_cmd(cmd_parms *parms, void *mconfig,
                                          const char *arg)
@@ -317,6 +340,8 @@
      "maximum simultaneous connections per IP address"),
     AP_INIT_ITERATE("NoIPLimit", no_limit_config_cmd, NULL, OR_LIMIT|RSRC_CONF,
      "MIME types for which limit checking is disabled"),
+    AP_INIT_FLAG("IPLimitOnlyLog", log_only_cmd, NULL, RSRC_CONF,
+     "only set environment variable and log error, return normally."),
     AP_INIT_ITERATE("OnlyIPLimit", excl_limit_config_cmd, NULL,
      OR_LIMIT|RSRC_CONF, "restrict limit checking to these MIME types only"),
     {NULL},