diff --git a/ipsechelper.cpp b/ipsechelper.cpp
index 5489d36..b98bd5a 100644
--- a/ipsechelper.cpp
+++ b/ipsechelper.cpp
@@ -51,22 +51,3 @@ void IpsecHelper::ExeCmd(QString cmd, QString filterlist, QString srcaddr, int p
     p.waitForStarted();
     p.waitForFinished();
 }
-
-void IpsecHelper::ExeCmd(QString cmd, QString filterlist, QString srcaddr)
-{
-    QProcess p(nullptr);
-    p.start("netsh",
-            QStringList() << "ipsec"
-            << "static"
-            << cmd
-            << "filter"
-            << ("filterlist=" + filterlist)
-            << ("srcaddr=" + srcaddr)
-            << "dstaddr=me"
-            << "protocol=tcp"
-            << "mirrored=yes"
-            << "dstport=any"
-            );
-    p.waitForStarted();
-    p.waitForFinished();
-}
diff --git a/ipsechelper.h b/ipsechelper.h
index 280e15d..2e5a5f2 100644
--- a/ipsechelper.h
+++ b/ipsechelper.h
@@ -21,8 +21,7 @@ public:
 
     static void addItemToBlackList(int port);
 private:
-    static void ExeCmd(QString cmd, QString filterlist, QString srcaddr, int port);
-    static void ExeCmd(QString cmd, QString filterlist, QString srcaddr);
+    static void ExeCmd(QString cmd, QString filterlist, QString srcaddr, int port = 0);
 };
 
 #endif // IPSECHELPER_H