diff --git a/frontend/src/components/GraphCanvas.svelte b/frontend/src/components/GraphCanvas.svelte
index 3accd43..aa6c9ac 100644
--- a/frontend/src/components/GraphCanvas.svelte
+++ b/frontend/src/components/GraphCanvas.svelte
@@ -40,6 +40,9 @@
   let showProfileDialog = $state(false);
   let showRuleDialog = $state(false);
   let showVirtualMenu = $state(false);
+  let showNetworkDialog = $state<{ type: string } | null>(null);
+  let netHost = $state('127.0.0.1');
+  let netPort = $state('4713');
   let newHideRule = $state('');
   let newMergeRule = $state('');
   let newProfileName = $state('');
@@ -467,9 +470,37 @@
       <button onclick={async () => { showVirtualMenu = false; await createNullSink('pwweb-null-' + Date.now().toString(36)); }}>Null Sink (Virtual Output)</button>
       <button onclick={async () => { showVirtualMenu = false; await createLoopback('pwweb-loop-' + Date.now().toString(36)); }}>Loopback Device</button>
       <div class="virt-sep"></div>
-      <button onclick={async () => { showVirtualMenu = false; await loadModule('module-native-protocol-tcp', 'auth-anonymous=1 port=4713'); }}>TCP Network Server</button>
-      <button onclick={async () => { showVirtualMenu = false; await loadModule('module-tunnel-sink', 'server=tcp:127.0.0.1:4713'); }}>TCP Tunnel Sink</button>
-      <button onclick={async () => { showVirtualMenu = false; await loadModule('module-tunnel-source', 'server=tcp:127.0.0.1:4713'); }}>TCP Tunnel Source</button>
+      <button onclick={async () => { showVirtualMenu = false; await loadModule('module-native-protocol-tcp', 'auth-anonymous=1 port=' + netPort); }}>TCP Network Server (port {netPort})</button>
+      <button onclick={async () => { showVirtualMenu = false; showNetworkDialog = { type: 'tunnel-sink' }; }}>TCP Tunnel Sink...</button>
+      <button onclick={async () => { showVirtualMenu = false; showNetworkDialog = { type: 'tunnel-source' }; }}>TCP Tunnel Source...</button>
+    </div>
+  {/if}
+
+  <!-- Network config dialog -->
+  {#if showNetworkDialog}
+    <div class="dialog" style="right:auto;left:50%;top:50%;transform:translate(-50%,-50%);width:300px">
+      <div class="dialog-header">
+        <span>{showNetworkDialog.type === 'tunnel-sink' ? 'TCP Tunnel Sink' : 'TCP Tunnel Source'}</span>
+        <button class="close" onclick={() => { showNetworkDialog = null; }}>X</button>
+      </div>
+      <div class="dialog-body">
+        <div class="input-row">
+          <span style="font-size:10px;color:#888;width:50px">Host:</span>
+          <input class="dlg-input" bind:value={netHost} placeholder="127.0.0.1" />
+        </div>
+        <div class="input-row">
+          <span style="font-size:10px;color:#888;width:50px">Port:</span>
+          <input class="dlg-input" bind:value={netPort} placeholder="4713" />
+        </div>
+        <div class="input-row" style="justify-content:flex-end">
+          <button onclick={() => { showNetworkDialog = null; }}>Cancel</button>
+          <button onclick={async () => {
+            const mod = showNetworkDialog!.type === 'tunnel-sink' ? 'module-tunnel-sink' : 'module-tunnel-source';
+            await loadModule(mod, 'server=tcp:' + netHost + ':' + netPort);
+            showNetworkDialog = null;
+          }}>Connect</button>
+        </div>
+      </div>
     </div>
   {/if}