diff --git a/README.md b/README.md
index 35affec..b8f8a62 100644
--- a/README.md
+++ b/README.md
@@ -88,3 +88,7 @@ mkdir configfiles
 # or for help of specific verb
 ./wgcfghelp gen-site --help
 ```
+
+## Copyright
+
+"WireGuard" and the "WireGuard" logo are registered trademarks of Jason A. Donenfeld.
diff --git a/WgCfgHelp.CLI/Handler/ServerConfigHandler.cs b/WgCfgHelp.CLI/Handler/ServerConfigHandler.cs
index b7e5eee..32ea31b 100644
--- a/WgCfgHelp.CLI/Handler/ServerConfigHandler.cs
+++ b/WgCfgHelp.CLI/Handler/ServerConfigHandler.cs
@@ -109,6 +109,11 @@ private static int GenerateServerAccessFile(SiteConfigFile configFile,
             var serverConfig = WgConfigFactory.GenServerConfig(address,
                 configFile.Port!.Value,
                 configFile.PrivateKey!,
+                configFile.PreUp,
+                configFile.PostUp,
+                configFile.PreDown,
+                configFile.PostDown,
+                configFile.Mtu,
                 wgQuickPeers
             );
 
diff --git a/WgCfgHelp.CLI/Models/SiteConfigFile.cs b/WgCfgHelp.CLI/Models/SiteConfigFile.cs
index 866cf70..f21d01d 100644
--- a/WgCfgHelp.CLI/Models/SiteConfigFile.cs
+++ b/WgCfgHelp.CLI/Models/SiteConfigFile.cs
@@ -24,6 +24,16 @@ public class SiteConfigFile
 
         public string? AllowedIPs { get; set; }
 
+        public int? Mtu { get; set; }
+        
+        public string? PreUp { get; set; }
+        
+        public string? PostUp { get; set; }
+        
+        public string? PreDown { get; set; }
+        
+        public string? PostDown { get; set; }
+        
         public List<PeerConfig> Peers { get; set; } = new List<PeerConfig>();
 
         public static SiteConfigFile LoadFromFile(string path)
diff --git a/WgCfgHelp.Lib/Models/WgQuickConfigFile.cs b/WgCfgHelp.Lib/Models/WgQuickConfigFile.cs
index 8b237bf..475ef5e 100644
--- a/WgCfgHelp.Lib/Models/WgQuickConfigFile.cs
+++ b/WgCfgHelp.Lib/Models/WgQuickConfigFile.cs
@@ -19,6 +19,16 @@ public class WgQuickConfigFile
 
         public int? ListenPort { get; set; }
 
+        public int? Mtu { get; set; }
+        
+        public string? PreUp { get; set; }
+        
+        public string? PostUp { get; set; }
+        
+        public string? PreDown { get; set; }
+        
+        public string? PostDown { get; set; }
+        
         public List<WgQuickPeer> Peers { get; set; } = new List<WgQuickPeer>();
 
         public string ToConfigFileFormat()
@@ -28,6 +38,11 @@ public string ToConfigFileFormat()
             output += $"PrivateKey = {PrivateKey}\n";
             output += $"# PublicKey = {PublicKey}\n";
             if(!string.IsNullOrWhiteSpace(DNS)) output += $"DNS = {DNS}\n";
+            if(Mtu is not null) output += $"MTU = {Mtu}\n";
+            if(!string.IsNullOrWhiteSpace(PreUp)) output += $"PreUp = {PreUp}\n";
+            if(!string.IsNullOrWhiteSpace(PreDown)) output += $"PreDown = {PreDown}\n";
+            if(!string.IsNullOrWhiteSpace(PostUp)) output += $"PostUp = {PostUp}\n";
+            if(!string.IsNullOrWhiteSpace(PostDown)) output += $"PostDown = {PostDown}\n";
             if (ListenPort.HasValue) output += $"ListenPort = {ListenPort}\n";
             
             foreach (var peer in Peers)
diff --git a/WgCfgHelp.Lib/WgConfigFactory.cs b/WgCfgHelp.Lib/WgConfigFactory.cs
index ae1c227..b53f171 100644
--- a/WgCfgHelp.Lib/WgConfigFactory.cs
+++ b/WgCfgHelp.Lib/WgConfigFactory.cs
@@ -14,7 +14,12 @@ public class WgConfigFactory
         public static WgQuickConfigFile GenServerConfig(
             string address,
             int port,
-            string privateKey, 
+            string privateKey,
+            string? preUp,
+            string? postUp,
+            string? preDown,
+            string? postDown,
+            int? mtu,
             List<WgQuickPeer> peers)
         {
             var wgExeInt = WgExeInterface.Create();
@@ -23,6 +28,11 @@ public static WgQuickConfigFile GenServerConfig(
                 Address = address,
                 PrivateKey = privateKey,
                 ListenPort = port,
+                PreUp = preUp,
+                PostUp = postUp,
+                PreDown = preDown,
+                PostDown = postDown,
+                Mtu = mtu,
             };
             wgConfig.PublicKey = wgExeInt.GenPublicKey(wgConfig.PrivateKey);
             wgConfig.Peers = peers;