diff --git a/trunk/conf/full.conf b/trunk/conf/full.conf
index ec9e53cc4..27416b7f2 100644
--- a/trunk/conf/full.conf
+++ b/trunk/conf/full.conf
@@ -33,7 +33,7 @@ ff_log_level        info;
 # if console, print log to console.
 # if file, write log to file. requires srs_log_file if log to file.
 # default: file.
-srs_log_tank        file;
+srs_log_tank        console;
 # the log level, for all log tanks.
 # can be: verbose, info, trace, warn, error
 # default: trace
@@ -48,7 +48,7 @@ max_connections     1000;
 # whether start as daemon
 # @remark: do not support reload.
 # default: on
-daemon              on;
+daemon              off;
 # whether use utc_time to generate the time struct,
 # if off, use localtime() to generate it,
 # if on, use gmtime() instead, which use UTC time.
@@ -2216,3 +2216,11 @@ vhost b.origin.cluster.srs.com {
         coworkers           127.0.0.1:9090;
     }
 }
+
+#############################################################################################
+# To prevent user to use full.conf
+#############################################################################################
+# To identify the full.conf
+# @remark Should never use it directly, it's only a collections of all config items.
+# Default: off
+is_full on;
diff --git a/trunk/src/app/srs_app_config.cpp b/trunk/src/app/srs_app_config.cpp
index 1edee5a3d..76f86492f 100644
--- a/trunk/src/app/srs_app_config.cpp
+++ b/trunk/src/app/srs_app_config.cpp
@@ -3593,6 +3593,12 @@ srs_error_t SrsConfig::check_config()
     if ((err = check_number_connections()) != srs_success) {
         return srs_error_wrap(err, "check connections");
     }
+
+    // If use the full.conf, fail.
+    if (is_full_config()) {
+        return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID,
+            "never use full.conf(%s)", config_file.c_str());
+    }
     
     return err;
 }
@@ -3625,7 +3631,7 @@ srs_error_t SrsConfig::check_normal_config()
             && n != "ff_log_level" && n != "grace_final_wait" && n != "force_grace_quit"
             && n != "grace_start_wait" && n != "empty_ip_ok" && n != "disable_daemon_for_docker"
             && n != "inotify_auto_reload" && n != "auto_reload_for_docker" && n != "tcmalloc_release_rate"
-            && n != "circuit_breaker"
+            && n != "circuit_breaker" && n != "is_full"
             ) {
             return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "illegal directive %s", n.c_str());
         }
@@ -4146,6 +4152,18 @@ bool SrsConfig::get_daemon()
     return SRS_CONF_PERFER_TRUE(conf->arg0());
 }
 
+bool SrsConfig::is_full_config()
+{
+    static bool DEFAULT = false;
+
+    SrsConfDirective* conf = root->get("is_full");
+    if (!conf) {
+        return DEFAULT;
+    }
+
+    return SRS_CONF_PERFER_FALSE(conf->arg0());
+}
+
 SrsConfDirective* SrsConfig::get_root()
 {
     return root;
diff --git a/trunk/src/app/srs_app_config.hpp b/trunk/src/app/srs_app_config.hpp
index 431d09c8a..2703c226e 100644
--- a/trunk/src/app/srs_app_config.hpp
+++ b/trunk/src/app/srs_app_config.hpp
@@ -442,6 +442,10 @@ public:
     // If  true, SRS will run in daemon mode, fork and fork to reap the
     // grand-child process to init process.
     virtual bool get_daemon();
+private:
+    // Whether user use full.conf
+    virtual bool is_full_config();
+public:
     // Get the max connections limit of system.
     // If  exceed the max connection, SRS will disconnect the connection.
     // @remark, linux will limit the connections of each process,