Added IP address logging for failed auth (#168)

kamailio/default.cfg

@@ -781,6 +781,8 @@ failure_route[INTERNAL_FAULT]
         xlog("L_INFO", "$ci|log|failure route ignoring call barred\n");
     } else if (isflagset(FLAG_SESSION_PROGRESS)) {
         xlog("L_INFO", "$ci|log|failure route ignoring failure after session progress\n");
+    } else if (t_check_status("403") && $var(reply_reason)=="Forbidden") {
+        xlog("L_WARNING", "$ci|log|failure route ignoring. Failed auth from IP $si\n");
     } else if (t_check_status("(401)|(407)|(486)|(403)")) {
         xlog("L_INFO", "$ci|log|failure route ignoring auth reply $T_reply_code $var(reply_reason)\n");
     } else if (t_check_status("402")) {

kamailio/registrar-role.cfg

@@ -207,7 +207,7 @@ route[CHECK_AUTHORIZATION]
         #!endif
 
         auth_challenge("$fd", "0");
-        xlog("L_INFO", "$ci|end|issued auth challenge to failed registration attempt for $Au $si:$sp\n");
+        xlog("L_WARNING", "$ci|end|issued auth challenge to failed registration attempt for $Au from IP $si:$sp\n");
         exit;
     }