diff --git a/apps/desktop/src/components/sidebar/TreeItem.vue b/apps/desktop/src/components/sidebar/TreeItem.vue
index 76cb6db73..4903f148f 100644
--- a/apps/desktop/src/components/sidebar/TreeItem.vue
+++ b/apps/desktop/src/components/sidebar/TreeItem.vue
@@ -136,6 +136,7 @@ import ProcedureExecutionDialog from "@/components/objects/ProcedureExecutionDia
 import { useExportTracker, type ExportTask } from "@/composables/useExportTracker";
 import { isTauriRuntime } from "@/lib/tauriRuntime";
 import { copyToClipboard } from "@/lib/clipboard";
+import { hasEnabledTransportLayers } from "@/lib/connectionTransport";
 import { formatShortcut } from "@/lib/shortcutRegistry";
 import DatabaseIcon from "@/components/icons/DatabaseIcon.vue";
 import ConnectionErrorIndicator from "@/components/connection/ConnectionErrorIndicator.vue";
@@ -929,6 +930,20 @@ async function copyName() {
   }
 }
 
+async function copyFinalProxyPort() {
+  const connectionId = props.node.connectionId;
+  const config = connectionId ? connectionStore.getConfig(connectionId) : undefined;
+  if (!config || !hasEnabledTransportLayers(config)) return;
+
+  try {
+    const port = await api.connectionFinalProxyPort(config);
+    await copyToClipboard(String(port));
+    toast(t("contextMenu.finalProxyPortCopied", { port }), 2000);
+  } catch (e: any) {
+    toast(t("grid.copyFailed", { message: translateBackendError(t, e?.message || String(e)) }), 5000);
+  }
+}
+
 async function copySelectedNames() {
   const selectedNodes = selectedTreeNodesInVisibleOrder();
   const nodes =
@@ -2475,6 +2490,10 @@ const canConfigureVisibleDatabases = computed(() => {
   if (props.node.type !== "connection" || !props.node.connectionId) return false;
   return connectionStore.getConfig(props.node.connectionId)?.db_type !== "elasticsearch";
 });
+const canCopyFinalProxyPort = computed(() => {
+  if (props.node.type !== "connection" || !props.node.connectionId) return false;
+  return hasEnabledTransportLayers(connectionStore.getConfig(props.node.connectionId));
+});
 
 function connectionIconType(connectionId?: string) {
   const config = connectionId ? connectionStore.getConfig(connectionId) : undefined;
@@ -2845,6 +2864,9 @@ function treeItemMenuItems(): ContextMenuItem[] {
       items.push({ label: t("contextMenu.closeConnection"), action: disconnectConnection, icon: Unplug });
     }
     items.push({ label: t("contextMenu.newQuery"), action: newQuery, icon: TerminalSquare });
+    if (canCopyFinalProxyPort.value) {
+      items.push({ label: t("contextMenu.copyFinalProxyPort"), action: copyFinalProxyPort, icon: Network });
+    }
     if (canOpenSqlFileExecution.value) {
       items.push({ label: t("sqlFile.title"), action: openSqlFileExecution, icon: FileCode });
     }
diff --git a/apps/desktop/src/i18n/locales/en.ts b/apps/desktop/src/i18n/locales/en.ts
index f56b4b379..6c24206c9 100644
--- a/apps/desktop/src/i18n/locales/en.ts
+++ b/apps/desktop/src/i18n/locales/en.ts
@@ -954,6 +954,8 @@ export default {
     closeOtherTabs: "Close Other Tabs",
     closeAllTabs: "Close All Tabs",
     copyName: "Copy Name",
+    copyFinalProxyPort: "Copy Final Proxy Port",
+    finalProxyPortCopied: "Final proxy port {port} copied",
     setDefaultDatabase: "Set as Default Database",
     clearDefaultDatabase: "Clear Default Database",
     exportDatabase: "Export Database",
diff --git a/apps/desktop/src/i18n/locales/es.ts b/apps/desktop/src/i18n/locales/es.ts
index 3af625553..e57b4bbe2 100644
--- a/apps/desktop/src/i18n/locales/es.ts
+++ b/apps/desktop/src/i18n/locales/es.ts
@@ -850,6 +850,8 @@ export default {
     closeOtherTabs: "Cerrar otras pestañas",
     closeAllTabs: "Cerrar todas las pestañas",
     copyName: "Copiar nombre",
+    copyFinalProxyPort: "Copiar puerto proxy final",
+    finalProxyPortCopied: "Puerto proxy final {port} copiado",
     setDefaultDatabase: "Establecer como base de datos predeterminada",
     clearDefaultDatabase: "Limpiar base de datos predeterminada",
     exportDatabase: "Exportar base de datos",
diff --git a/apps/desktop/src/i18n/locales/it.ts b/apps/desktop/src/i18n/locales/it.ts
index 6523c684c..d02faca00 100644
--- a/apps/desktop/src/i18n/locales/it.ts
+++ b/apps/desktop/src/i18n/locales/it.ts
@@ -973,6 +973,8 @@ export default {
     closeOtherTabs: "Chiudi Altre Schede",
     closeAllTabs: "Chiudi Tutte le Schede",
     copyName: "Copia Nome",
+    copyFinalProxyPort: "Copia porta proxy finale",
+    finalProxyPortCopied: "Porta proxy finale {port} copiata",
     setDefaultDatabase: "Imposta come Database Predefinito",
     clearDefaultDatabase: "Cancella Database Predefinito",
     exportDatabase: "Esporta Database",
diff --git a/apps/desktop/src/i18n/locales/pt-BR.ts b/apps/desktop/src/i18n/locales/pt-BR.ts
index 0dde849b2..fffd3a805 100644
--- a/apps/desktop/src/i18n/locales/pt-BR.ts
+++ b/apps/desktop/src/i18n/locales/pt-BR.ts
@@ -968,6 +968,8 @@ export default {
     closeTab: "Fechar Aba",
     closeOtherTabs: "Fechar Outras Abas",
     closeAllTabs: "Fechar Todas as Abas",
+    copyFinalProxyPort: "Copiar porta final do proxy",
+    finalProxyPortCopied: "Porta final do proxy {port} copiada",
     copyName: "Copiar Nome",
     setDefaultDatabase: "Definir como Banco de Dados Padrão",
     clearDefaultDatabase: "Limpar Banco de Dados Padrão",
diff --git a/apps/desktop/src/i18n/locales/zh-CN.ts b/apps/desktop/src/i18n/locales/zh-CN.ts
index 4e4c4a997..89578f1e5 100644
--- a/apps/desktop/src/i18n/locales/zh-CN.ts
+++ b/apps/desktop/src/i18n/locales/zh-CN.ts
@@ -934,6 +934,8 @@ export default {
     closeOtherTabs: "关闭其他标签页",
     closeAllTabs: "关闭全部标签页",
     copyName: "复制名称",
+    copyFinalProxyPort: "复制最终代理端口",
+    finalProxyPortCopied: "最终代理端口 {port} 已复制",
     setDefaultDatabase: "设为默认数据库",
     clearDefaultDatabase: "取消默认数据库",
     exportDatabase: "导出数据库",
diff --git a/apps/desktop/src/i18n/locales/zh-TW.ts b/apps/desktop/src/i18n/locales/zh-TW.ts
index 0a1cc09a9..d00d082fb 100644
--- a/apps/desktop/src/i18n/locales/zh-TW.ts
+++ b/apps/desktop/src/i18n/locales/zh-TW.ts
@@ -914,6 +914,8 @@ export default {
     closeOtherTabs: "關閉其他分頁",
     closeAllTabs: "關閉全部分頁",
     copyName: "複製名稱",
+    copyFinalProxyPort: "複製最終代理連接埠",
+    finalProxyPortCopied: "最終代理連接埠 {port} 已複製",
     setDefaultDatabase: "設為預設資料庫",
     clearDefaultDatabase: "取消預設資料庫",
     exportDatabase: "匯出資料庫",
diff --git a/apps/desktop/src/lib/api.ts b/apps/desktop/src/lib/api.ts
index 5d7066d14..63bcde895 100644
--- a/apps/desktop/src/lib/api.ts
+++ b/apps/desktop/src/lib/api.ts
@@ -33,6 +33,7 @@ function forward<K extends keyof Backend>(name: K): Backend[K] {
 // Connection
 export const testConnection = forward("testConnection");
 export const connectDb = forward("connectDb");
+export const connectionFinalProxyPort = forward("connectionFinalProxyPort");
 export const disconnectDb = forward("disconnectDb");
 export const closeDatabaseConnection = forward("closeDatabaseConnection");
 export const refreshConnections = forward("refreshConnections");
diff --git a/apps/desktop/src/lib/connectionTransport.ts b/apps/desktop/src/lib/connectionTransport.ts
new file mode 100644
index 000000000..5520d3008
--- /dev/null
+++ b/apps/desktop/src/lib/connectionTransport.ts
@@ -0,0 +1,5 @@
+import type { ConnectionConfig } from "@/types/database";
+
+export function hasEnabledTransportLayers(connection?: Pick<ConnectionConfig, "transport_layers"> | null): boolean {
+  return !!connection?.transport_layers?.some((layer) => layer.enabled !== false);
+}
diff --git a/apps/desktop/src/lib/http.ts b/apps/desktop/src/lib/http.ts
index 17bc1e5b7..fc525ae33 100644
--- a/apps/desktop/src/lib/http.ts
+++ b/apps/desktop/src/lib/http.ts
@@ -151,6 +151,10 @@ export async function connectDb(config: ConnectionConfig): Promise<string> {
   return post("/api/connection/connect", { config });
 }
 
+export async function connectionFinalProxyPort(config: ConnectionConfig): Promise<number> {
+  return post("/api/connection/final-proxy-port", { config });
+}
+
 export async function disconnectDb(connectionId: string): Promise<void> {
   return post("/api/connection/disconnect", { connectionId });
 }
diff --git a/apps/desktop/src/lib/tauri.ts b/apps/desktop/src/lib/tauri.ts
index 3a3fe3d51..a26e0ec07 100644
--- a/apps/desktop/src/lib/tauri.ts
+++ b/apps/desktop/src/lib/tauri.ts
@@ -414,6 +414,10 @@ export async function connectDb(config: ConnectionConfig): Promise<string> {
   return invoke("connect_db", { config });
 }
 
+export async function connectionFinalProxyPort(config: ConnectionConfig): Promise<number> {
+  return invoke("connection_final_proxy_port", { config });
+}
+
 export async function disconnectDb(connectionId: string): Promise<void> {
   return invoke("disconnect_db", { connectionId });
 }
diff --git a/crates/dbx-web/src/main.rs b/crates/dbx-web/src/main.rs
index b59781acf..e47cb7c2b 100644
--- a/crates/dbx-web/src/main.rs
+++ b/crates/dbx-web/src/main.rs
@@ -94,6 +94,7 @@ async fn main() {
         // Connection
         .route("/connection/test", post(routes::connection::test_connection))
         .route("/connection/connect", post(routes::connection::connect_db))
+        .route("/connection/final-proxy-port", post(routes::connection::connection_final_proxy_port))
         .route("/connection/disconnect", post(routes::connection::disconnect_db))
         .route("/connection/close-database", post(routes::connection::close_database_connection))
         .route("/connection/save", post(routes::connection::save_connections))
diff --git a/crates/dbx-web/src/routes/connection.rs b/crates/dbx-web/src/routes/connection.rs
index 52e8477a8..66945466c 100644
--- a/crates/dbx-web/src/routes/connection.rs
+++ b/crates/dbx-web/src/routes/connection.rs
@@ -78,6 +78,24 @@ pub async fn connect_db(
     Ok(Json(connection_id))
 }
 
+pub async fn connection_final_proxy_port(
+    State(state): State<Arc<WebState>>,
+    Json(body): Json<ConnectRequest>,
+) -> Result<Json<u16>, AppError> {
+    let runtime_config = body.config.canonicalized();
+    if !runtime_config.has_effective_transport_layers() {
+        return Err(AppError("Connection has no configured transport layers".to_string()));
+    }
+
+    let app = &state.app;
+    let connection_id = runtime_config.id.clone();
+    let db_config = dbx_core::connection::metadata_connection_config(&runtime_config);
+    app.configs.write().await.insert(connection_id.clone(), runtime_config);
+
+    let (_, port) = app.connection_host_port(&connection_id, &db_config).await.map_err(AppError)?;
+    Ok(Json(port))
+}
+
 pub async fn disconnect_db(
     State(state): State<Arc<WebState>>,
     Json(body): Json<DisconnectRequest>,
@@ -93,8 +111,7 @@ pub async fn disconnect_db(
     }
     drop(connections);
 
-    app.tunnels.stop_tunnel(&body.connection_id).await;
-    app.proxy_tunnels.stop_tunnel(&body.connection_id).await;
+    app.reset_connection_transport(&body.connection_id).await;
 
     Ok(Json(()))
 }
diff --git a/packages/app-tests/connectionTransport.test.ts b/packages/app-tests/connectionTransport.test.ts
new file mode 100644
index 000000000..6d7f95bcd
--- /dev/null
+++ b/packages/app-tests/connectionTransport.test.ts
@@ -0,0 +1,20 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { hasEnabledTransportLayers } from "../../apps/desktop/src/lib/connectionTransport.ts";
+
+test("hasEnabledTransportLayers matches effective transport layer visibility", () => {
+  assert.equal(hasEnabledTransportLayers(undefined), false);
+  assert.equal(hasEnabledTransportLayers({ transport_layers: [] }), false);
+  assert.equal(
+    hasEnabledTransportLayers({
+      transport_layers: [{ type: "proxy", id: "proxy", enabled: false, host: "127.0.0.1", port: 1080 }],
+    }),
+    false,
+  );
+  assert.equal(
+    hasEnabledTransportLayers({
+      transport_layers: [{ type: "proxy", id: "proxy", host: "127.0.0.1", port: 1080 }],
+    }),
+    true,
+  );
+});
diff --git a/src-tauri/src/commands/connection.rs b/src-tauri/src/commands/connection.rs
index f714149f1..e33d5ff36 100644
--- a/src-tauri/src/commands/connection.rs
+++ b/src-tauri/src/commands/connection.rs
@@ -573,6 +573,24 @@ pub async fn connect_db(state: State<'_, Arc<AppState>>, config: ConnectionConfi
     Ok(id)
 }
 
+#[tauri::command]
+pub async fn connection_final_proxy_port(
+    state: State<'_, Arc<AppState>>,
+    config: ConnectionConfig,
+) -> Result<u16, String> {
+    let runtime_config = config.canonicalized();
+    if !runtime_config.has_effective_transport_layers() {
+        return Err("Connection has no configured transport layers".to_string());
+    }
+
+    let connection_id = runtime_config.id.clone();
+    let db_config = metadata_connection_config(&runtime_config);
+    state.configs.write().await.insert(connection_id.clone(), runtime_config);
+
+    let (_, port) = state.connection_host_port(&connection_id, &db_config).await?;
+    Ok(port)
+}
+
 #[tauri::command]
 pub async fn disconnect_db(state: State<'_, Arc<AppState>>, connection_id: String) -> Result<(), String> {
     let mut conns = state.connections.write().await;
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 962ce8dcc..a32a1a0c9 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -363,6 +363,7 @@ pub fn run() {
             commands::cloud_sync::webdav_sync_download,
             commands::connection::test_connection,
             commands::connection::connect_db,
+            commands::connection::connection_final_proxy_port,
             commands::connection::disconnect_db,
             commands::connection::close_database_connection,
             commands::connection::refresh_connections,