diff --git a/ui/desktop/app/routes/scopes/scope/projects/sessions.js b/ui/desktop/app/routes/scopes/scope/projects/sessions.js
index 908636f1a..cd11b0569 100644
--- a/ui/desktop/app/routes/scopes/scope/projects/sessions.js
+++ b/ui/desktop/app/routes/scopes/scope/projects/sessions.js
@@ -84,6 +84,6 @@ export default class ScopesScopeProjectsSessionsRoute extends Route {
   @notifySuccess('notifications.canceled-success')
   async cancelSession(session) {
     await session.cancelSession();
-    await this.ipc.invoke('cancel', { session_id: session.id });
+    await this.ipc.invoke('stop', { session_id: session.id });
   }
 }
diff --git a/ui/desktop/app/routes/scopes/scope/projects/targets/target/sessions.js b/ui/desktop/app/routes/scopes/scope/projects/targets/target/sessions.js
index 2263aa448..f84af4eac 100644
--- a/ui/desktop/app/routes/scopes/scope/projects/targets/target/sessions.js
+++ b/ui/desktop/app/routes/scopes/scope/projects/targets/target/sessions.js
@@ -19,6 +19,6 @@ export default class ScopesScopeProjectsTargetsTargetSessionsRoute extends Route
   @notifySuccess('notifications.canceled-success')
   async cancelSession(session) {
     await session.cancelSession();
-    await this.ipc.invoke('cancel', { session_id: session.id });
+    await this.ipc.invoke('stop', { session_id: session.id });
   }
 }
diff --git a/ui/desktop/electron-app/src/helpers/spawn-promise.js b/ui/desktop/electron-app/src/helpers/spawn-promise.js
index 86ac21f68..b8ff5d980 100644
--- a/ui/desktop/electron-app/src/helpers/spawn-promise.js
+++ b/ui/desktop/electron-app/src/helpers/spawn-promise.js
@@ -37,7 +37,7 @@ module.exports = {
         outputStream += data.toString();
         const jsonData = jsonify(outputStream);
         if (jsonData) {
-          childProcess.removeListener('data', processData);
+          childProcess.removeAllListeners();
           resolve({ childProcess, response: jsonData });
         }
       };
@@ -50,12 +50,12 @@ module.exports = {
         const jsonData = jsonify(errorStream);
         if (jsonData) {
           const error = jsonData.api_error || jsonData.error;
-          childProcess.removeListener('error', processError);
+          childProcess.removeAllListeners();
           reject(new Error(error.message));
         }
       };
 
-      childProcess.stderr.on('data', processError);
+      childProcess.stderr.on('error', processError);
     });
   },
 
diff --git a/ui/desktop/electron-app/src/ipc/handlers.js b/ui/desktop/electron-app/src/ipc/handlers.js
index d3a8d4efd..e727a4b48 100644
--- a/ui/desktop/electron-app/src/ipc/handlers.js
+++ b/ui/desktop/electron-app/src/ipc/handlers.js
@@ -61,4 +61,4 @@ handle('connect', ({ target_id, token, host_id }) =>
 /**
  * Cancel an established boundary session spawned process.
  */
-handle('cancel', ({ session_id }) => sessionManager.stopById(session_id));
+handle('stop', ({ session_id }) => sessionManager.stopById(session_id));
diff --git a/ui/desktop/electron-app/src/models/session-manager.js b/ui/desktop/electron-app/src/models/session-manager.js
new file mode 100644
index 000000000..dfcfd923a
--- /dev/null
+++ b/ui/desktop/electron-app/src/models/session-manager.js
@@ -0,0 +1,33 @@
+const Session = require('./session.js');
+
+class SessionManager {
+  #sessions = [];
+
+  /**
+   * Start a session and track it.
+   * Returns session proxy details if successfully started.
+   * @param {string} addr
+   * @param {string} target_id
+   * @param {string} token
+   * @param {string} host_id
+   */
+  start(addr, target_id, token, host_id) {
+    const session = new Session(addr, target_id, token, host_id);
+    this.#sessions.push(session);
+    return session.start();
+  }
+
+  /**
+   * Stop a session using identifier.
+   * @param {string} session_id
+   */
+  stopById(session_id) {
+    const session = this.#sessions.find((session) => session.id === session_id);
+    return session.stop();
+  }
+
+  stopAll() {
+  }
+}
+
+module.exports = SessionManager;
diff --git a/ui/desktop/electron-app/src/session/index.js b/ui/desktop/electron-app/src/models/session.js
similarity index 78%
rename from ui/desktop/electron-app/src/session/index.js
rename to ui/desktop/electron-app/src/models/session.js
index 34f4440b7..105b7d723 100644
--- a/ui/desktop/electron-app/src/session/index.js
+++ b/ui/desktop/electron-app/src/models/session.js
@@ -1,16 +1,5 @@
 const { spawnAsyncJSONPromise } = require('../helpers/spawn-promise.js');
-/**
- * Super paranoid shell quote/escape and validation.  Input must be base62.
- * @param {string} str
- */
-const escapeAndValidateBase62 = (str) => {
-  const candidate = str.toString();
-  if (candidate.match(/^[A-Za-z0-9_]*$/)) return candidate;
-  throw new Error(`
-    Could not invoke command:
-    input contained unsafe characters.
-  `);
-};
+const base62 = require('../utils/base62.js');
 
 class Session {
   #id;
@@ -88,20 +77,21 @@ class Session {
    */
   cliCommand() {
     const sanitized = {
-      target_id: escapeAndValidateBase62(this.#targetId),
-      token: escapeAndValidateBase62(this.#token),
+      target_id: base62.escapeAndValidate(this.#targetId),
+      token: base62.escapeAndValidate(this.#token),
+      addr: encodeURI(this.#addr),
     };
 
     const command = [
       'connect',
       `-target-id=${sanitized.target_id}`,
       `-token=${sanitized.token}`,
-      `-addr=${this.#addr}`,
+      `-addr=${sanitized.addr}`,
       '-format=json',
     ];
 
     if (this.#hostId) {
-      sanitized.host_id = escapeAndValidateBase62(this.#hostId);
+      sanitized.host_id = base62.escapeAndValidate(this.#hostId);
       command.push(`-host-id=${sanitized.host_id}`);
     }
     return command;
diff --git a/ui/desktop/electron-app/src/session/manager.js b/ui/desktop/electron-app/src/session/manager.js
index 63b3a8943..dc96e096f 100644
--- a/ui/desktop/electron-app/src/session/manager.js
+++ b/ui/desktop/electron-app/src/session/manager.js
@@ -1,47 +1,7 @@
-const Session = require('./index.js');
-
-class SessionManager {
-  #sessions;
-
-  constructor() {
-    this.#sessions = [];
-  }
-
-  /**
-   * Checks for active sessions
-   * @returns {boolean}
-   */
-  get hasActiveSessions() {
-    return Boolean(this.#sessions.find((session) => session.isActive));
-  }
-
-  /**
-   * Start a session and track it.
-   * Returns session proxy details if successfully started.
-   * @param {string} addr
-   * @param {string} target_id
-   * @param {string} token
-   * @param {string} host_id
-   */
-  async start(addr, target_id, token, host_id) {
-    const session = new Session(addr, target_id, token, host_id);
-    this.#sessions.push(session);
-    return session.start();
-  }
-
-  /**
-   * Stop a session using identifier.
-   * @param {string} session_id
-   */
-  async stopById(session_id) {
-    const session = this.#sessions.find((session) => session.id === session_id);
-    return session && session.stop();
-  }
-
-  stopAll() {
-    this.#sessions.forEach((session) => session.stop());
-  }
-}
+const SessionManager = require('../models/session-manager.js');
 
+/**
+ * Singleton for SessionManager
+ */
 const sessionManager = new SessionManager();
 module.exports = sessionManager;
diff --git a/ui/desktop/electron-app/src/utils/base62.js b/ui/desktop/electron-app/src/utils/base62.js
new file mode 100644
index 000000000..0c844b790
--- /dev/null
+++ b/ui/desktop/electron-app/src/utils/base62.js
@@ -0,0 +1,14 @@
+module.exports = {
+  /**
+   * Super paranoid shell quote/escape and validation.  Input must be base62.
+   * @param {string} str
+   */
+  escapeAndValidate: (str) => {
+    const candidate = str.toString();
+    if (candidate.match(/^[A-Za-z0-9_]*$/)) return candidate;
+    throw new Error(`
+      Could not invoke command:
+      input contained unsafe characters.
+    `);
+  },
+};
diff --git a/ui/desktop/tests/acceptance/projects/sessions-test.js b/ui/desktop/tests/acceptance/projects/sessions-test.js
index 012db14cb..2cdbafc16 100644
--- a/ui/desktop/tests/acceptance/projects/sessions-test.js
+++ b/ui/desktop/tests/acceptance/projects/sessions-test.js
@@ -245,7 +245,7 @@ module('Acceptance | projects | sessions', function (hooks) {
 
   test('cancelling a session', async function (assert) {
     assert.expect(1);
-    stubs.ipcService.withArgs('cancel');
+    stubs.ipcService.withArgs('stop');
     later(async () => {
       run.cancelTimers();
       await click('tbody tr:first-child td:last-child button');
@@ -267,7 +267,7 @@ module('Acceptance | projects | sessions', function (hooks) {
 
   test('cancelling a session with ipc error shows notification', async function (assert) {
     assert.expect(1);
-    stubs.ipcService.withArgs('cancel').throws();
+    stubs.ipcService.withArgs('stop').throws();
     later(async () => {
       run.cancelTimers();
       await click('tbody tr:first-child td:last-child button');
diff --git a/ui/desktop/tests/acceptance/projects/targets/sessions-test.js b/ui/desktop/tests/acceptance/projects/targets/sessions-test.js
index 9fde4b210..e6031ab88 100644
--- a/ui/desktop/tests/acceptance/projects/targets/sessions-test.js
+++ b/ui/desktop/tests/acceptance/projects/targets/sessions-test.js
@@ -271,7 +271,7 @@ module('Acceptance | projects | targets | sessions', function (hooks) {
 
   test('cancelling a session with ipc error shows notification', async function (assert) {
     assert.expect(1);
-    stubs.ipcService.withArgs('cancel').throws();
+    stubs.ipcService.withArgs('stop').throws();
     later(async () => {
       run.cancelTimers();
       await click('tbody tr:first-child td:last-child button');