diff --git a/src/lib/client/Client.cpp b/src/lib/client/Client.cpp
index bc11a1e9..33e2a6ca 100644
--- a/src/lib/client/Client.cpp
+++ b/src/lib/client/Client.cpp
@@ -39,6 +39,7 @@
 #include "base/IEventQueue.h"
 #include "base/TMethodEventJob.h"
 #include "base/TMethodJob.h"
+#include "common/PluginVersion.h"
 #include "common/stdexcept.h"
 
 #include <cstring>
@@ -46,8 +47,6 @@
 #include <sstream>
 #include <fstream>
 
-static const char s_networkSecurity[] = { "ns" };
-
 //
 // Client
 //
@@ -103,7 +102,7 @@ Client::Client(
 	}
 
 	if (m_args.m_enableCrypto) {
-		m_useSecureNetwork = ARCH->plugin().exists(s_networkSecurity);
+		m_useSecureNetwork = ARCH->plugin().exists(s_pluginNames[kSecureSocket]);
 		if (m_useSecureNetwork == false) {
 			LOG((CLOG_NOTE "crypto disabled because of ns plugin not available"));
 		}
@@ -585,7 +584,7 @@ Client::cleanupStream()
 	// we need to tell the dynamic lib that allocated this object
 	// to do the deletion.
 	if (m_useSecureNetwork) {
-		ARCH->plugin().invoke(s_networkSecurity, "deleteSocket", NULL);
+		ARCH->plugin().invoke(s_pluginNames[kSecureSocket], "deleteSocket", NULL);
 	}
 }
 
diff --git a/src/lib/common/PluginVersion.cpp b/src/lib/common/PluginVersion.cpp
index a34fd9ad..656b80fc 100644
--- a/src/lib/common/PluginVersion.cpp
+++ b/src/lib/common/PluginVersion.cpp
@@ -19,14 +19,11 @@
 
 #include <string.h>
 
-static const int kpluginCount = 1;
 static const char kUnknownVersion[] = "unknown";
-static const char* s_pluginNames[] = { "ns" };
-static const char* s_pluginVersions[] = { "1.2" };
 
 const char* getExpectedPluginVersion(const char* name)
 {
-	for (int i = 0; i < kpluginCount; i++) {
+	for (int i = 0; i < kPluginCount; i++) {
 		if (strcmp(name, s_pluginNames[i]) == 0) {
 			return s_pluginVersions[i];
 			break;
diff --git a/src/lib/common/PluginVersion.h b/src/lib/common/PluginVersion.h
index 738afef9..02839ef6 100644
--- a/src/lib/common/PluginVersion.h
+++ b/src/lib/common/PluginVersion.h
@@ -17,6 +17,15 @@
 
 #pragma once
 
+enum EPluginType {
+	kSecureSocket,
+	kPluginCount
+};
+
+static const char* s_pluginNames[] = { "ns" };
+static const char* s_pluginVersions[] = { "1.2" };
+
+
 //! Get expected plugin version
 /*!
 Returns the plugin version expected by the plugin loader.
diff --git a/src/lib/net/TCPSocketFactory.cpp b/src/lib/net/TCPSocketFactory.cpp
index 8a4acef2..0f92ffb9 100644
--- a/src/lib/net/TCPSocketFactory.cpp
+++ b/src/lib/net/TCPSocketFactory.cpp
@@ -21,14 +21,13 @@
 #include "net/TCPSocket.h"
 #include "net/TCPListenSocket.h"
 #include "arch/Arch.h"
+#include "common/PluginVersion.h"
 #include "base/Log.h"
 
 //
 // TCPSocketFactory
 //
 
-static const char s_networkSecurity[] = { "ns" };
-
 TCPSocketFactory::TCPSocketFactory(IEventQueue* events, SocketMultiplexer* socketMultiplexer) :
 	m_events(events),
 	m_socketMultiplexer(socketMultiplexer)
@@ -51,7 +50,7 @@ TCPSocketFactory::create(bool secure) const
 			m_socketMultiplexer
 		};
 		socket = static_cast<IDataSocket*>(
-			ARCH->plugin().invoke(s_networkSecurity, "getSocket", args));
+			ARCH->plugin().invoke(s_pluginNames[kSecureSocket], "getSocket", args));
 	}
 	else {
 		socket = new TCPSocket(m_events, m_socketMultiplexer);
@@ -70,7 +69,7 @@ TCPSocketFactory::createListen(bool secure) const
 			m_socketMultiplexer
 		};
 		socket = static_cast<IListenSocket*>(
-			ARCH->plugin().invoke(s_networkSecurity, "getListenSocket", args));
+			ARCH->plugin().invoke(s_pluginNames[kSecureSocket], "getListenSocket", args));
 	}
 	else {
 		socket = new TCPListenSocket(m_events, m_socketMultiplexer);
diff --git a/src/lib/plugin/ns/ns.cpp b/src/lib/plugin/ns/ns.cpp
index a053d705..e7ae164e 100644
--- a/src/lib/plugin/ns/ns.cpp
+++ b/src/lib/plugin/ns/ns.cpp
@@ -32,7 +32,6 @@ SecureSocket* g_secureSocket = NULL;
 SecureListenSocket* g_secureListenSocket = NULL;
 Arch* g_arch = NULL;
 Log* g_log = NULL;
-static const char kPluginName[] = "ns";
 
 std::string
 helperGetLibsUsed(void)
@@ -107,7 +106,7 @@ invoke(const char* command, void** args)
 		}
 	}
 	else if (strcmp(command, "version") == 0) {
-		return (void*)getExpectedPluginVersion(kPluginName);
+		return (void*)getExpectedPluginVersion(s_pluginNames[kSecureSocket]);
 	}
 
 	return NULL;
diff --git a/src/lib/server/ClientListener.cpp b/src/lib/server/ClientListener.cpp
index e335f575..9b103493 100644
--- a/src/lib/server/ClientListener.cpp
+++ b/src/lib/server/ClientListener.cpp
@@ -25,6 +25,7 @@
 #include "net/IListenSocket.h"
 #include "net/ISocketFactory.h"
 #include "net/XSocket.h"
+#include "common/PluginVersion.h"
 #include "base/Log.h"
 #include "base/IEventQueue.h"
 #include "base/TMethodEventJob.h"
@@ -33,8 +34,6 @@
 // ClientListener
 //
 
-static const char s_networkSecurity[] = { "ns" };
-
 ClientListener::ClientListener(const NetworkAddress& address,
 				ISocketFactory* socketFactory,
 				IEventQueue* events,
@@ -49,7 +48,7 @@ ClientListener::ClientListener(const NetworkAddress& address,
 	try {
 		// create listen socket
 		if (enableCrypto) {
-			m_useSecureNetwork = ARCH->plugin().exists(s_networkSecurity);
+			m_useSecureNetwork = ARCH->plugin().exists(s_pluginNames[kSecureSocket]);
 			if (m_useSecureNetwork == false) {
 				LOG((CLOG_NOTE "crypto disabled because of ns plugin not available"));
 			}
@@ -249,7 +248,7 @@ ClientListener::cleanupListenSocket()
 	}
 	else {
 		ARCH->plugin().invoke(
-			s_networkSecurity,
+			s_pluginNames[kSecureSocket],
 			"deleteListenSocket",
 			NULL);
 	}