diff --git a/source/server/config/network/http_connection_manager.cc b/source/server/config/network/http_connection_manager.cc
index ca906f9ace9bb..c3abdc8a63d59 100644
--- a/source/server/config/network/http_connection_manager.cc
+++ b/source/server/config/network/http_connection_manager.cc
@@ -228,6 +228,7 @@ HttpConnectionManagerConfig::HttpConnectionManagerConfig(
 
     const Json::ObjectSharedPtr filter_config =
         MessageUtil::getJsonObjectFromMessage(proto_config.config());
+    ENVOY_LOG(debug, "    config: {}", filter_config->asJsonString());
 
     // Now see if there is a factory that will accept the config.
     auto& factory = Config::Utility::getAndCheckFactory<NamedHttpFilterConfigFactory>(string_name);
diff --git a/source/server/listener_manager_impl.cc b/source/server/listener_manager_impl.cc
index cb7af4c2c88b1..77a201e092903 100644
--- a/source/server/listener_manager_impl.cc
+++ b/source/server/listener_manager_impl.cc
@@ -30,6 +30,7 @@ ProdListenerComponentFactory::createFilterFactoryList_(
     ENVOY_LOG(debug, "    name: {}", string_name);
     const Json::ObjectSharedPtr filter_config =
         MessageUtil::getJsonObjectFromMessage(proto_config.config());
+    ENVOY_LOG(debug, "  config: {}", filter_config->asJsonString());
 
     // Now see if there is a factory that will accept the config.
     auto& factory =