diff --git a/rib/service.cpp b/rib/service.cpp
index ddf13ed..067806f 100644
--- a/rib/service.cpp
+++ b/rib/service.cpp
@@ -85,25 +85,24 @@
 }
 
 Service::Service(const std::string& configFile, ndn::KeyChain& keyChain)
-  : Service(keyChain, makeLocalNfdTransport(loadConfigSectionFromFile(configFile)))
+  : Service(keyChain, makeLocalNfdTransport(loadConfigSectionFromFile(configFile)),
+            [&configFile] (ConfigFile& config, bool isDryRun) {
+              config.parse(configFile, isDryRun);
+            })
 {
-  ConfigFile config(ConfigFile::ignoreUnknownSection);
-  config.addSectionHandler(CFG_SECTION, bind(&Service::processConfig, this, _1, _2, _3));
-  config.parse(configFile, true);
-  config.parse(configFile, false);
 }
 
 Service::Service(const ConfigSection& configSection, ndn::KeyChain& keyChain)
-  : Service(keyChain, makeLocalNfdTransport(configSection))
+  : Service(keyChain, makeLocalNfdTransport(configSection),
+            [&configSection] (ConfigFile& config, bool isDryRun) {
+              config.parse(configSection, isDryRun, "internal://nfd.conf");
+            })
 {
-  ConfigFile config(ConfigFile::ignoreUnknownSection);
-  config.addSectionHandler(CFG_SECTION, bind(&Service::processConfig, this, _1, _2, _3));
-  const std::string INTERNAL_CONFIG = "internal://nfd.conf";
-  config.parse(configSection, true, INTERNAL_CONFIG);
-  config.parse(configSection, false, INTERNAL_CONFIG);
 }
 
-Service::Service(ndn::KeyChain& keyChain, shared_ptr<ndn::Transport> localNfdTransport)
+template<typename ConfigParseFunc>
+Service::Service(ndn::KeyChain& keyChain, shared_ptr<ndn::Transport> localNfdTransport,
+                 const ConfigParseFunc& configParse)
   : m_keyChain(keyChain)
   , m_face(std::move(localNfdTransport), getGlobalIoService(), m_keyChain)
   , m_nfdController(m_face, m_keyChain)
@@ -118,6 +117,14 @@
     BOOST_THROW_EXCEPTION(std::logic_error("RIB service must run on RIB thread"));
   }
   s_instance = this;
+
+  ConfigFile config(ConfigFile::ignoreUnknownSection);
+  config.addSectionHandler(CFG_SECTION, bind(&Service::processConfig, this, _1, _2, _3));
+  configParse(config, true);
+  configParse(config, false);
+
+  m_ribManager.registerWithNfd();
+  m_ribManager.enableLocalFields();
 }
 
 Service::~Service()
@@ -153,9 +160,10 @@
 {
   for (const auto& item : section) {
     const std::string& key = item.first;
+    const ConfigSection& value = item.second;
     if (key == CFG_LOCALHOST_SECURITY || key == CFG_LOCALHOP_SECURITY) {
       ndn::security::v2::validator_config::ValidationPolicyConfig policy;
-      policy.load(section, filename);
+      policy.load(value, filename);
     }
     else if (key == CFG_PREFIX_PROPAGATE) {
       // AutoPrefixPropagator does not support config dry-run
@@ -217,12 +225,5 @@
   }
 }
 
-void
-Service::initialize()
-{
-  m_ribManager.registerWithNfd();
-  m_ribManager.enableLocalFields();
-}
-
 } // namespace rib
 } // namespace nfd
diff --git a/rib/service.hpp b/rib/service.hpp
index b39f5c6..a349787 100644
--- a/rib/service.hpp
+++ b/rib/service.hpp
@@ -86,7 +86,9 @@
   get();
 
 private:
-  Service(ndn::KeyChain& keyChain, shared_ptr<ndn::Transport> localNfdTransport);
+  template<typename ConfigParseFunc>
+  Service(ndn::KeyChain& keyChain, shared_ptr<ndn::Transport> localNfdTransport,
+          const ConfigParseFunc& configParse);
 
   void
   processConfig(const ConfigSection& section, bool isDryRun, const std::string& filename);
@@ -97,9 +99,6 @@
   void
   applyConfig(const ConfigSection& section, const std::string& filename);
 
-  void
-  initialize();
-
 private:
   static Service* s_instance;