diff --git a/src/components/app.component.pug b/src/components/app.component.pug
index 63f69d5..314c3e1 100644
--- a/src/components/app.component.pug
+++ b/src/components/app.component.pug
@@ -1,5 +1,5 @@
-main(*ngIf='ready && user')
-.login-view(*ngIf='ready && !user')
+main(*ngIf='ready && loggedIn')
+.login-view(*ngIf='ready && !loggedIn')
     .buttons
         a.btn(
             *ngFor='let provider of providers',
diff --git a/src/components/app.component.ts b/src/components/app.component.ts
index e0d0e93..264c2c7 100644
--- a/src/components/app.component.ts
+++ b/src/components/app.component.ts
@@ -1,5 +1,5 @@
 import { Component } from '@angular/core'
-import { HttpClient } from '@angular/common/http'
+import { LoginService } from '../services/login.service'
 
 import { faGithub, faGitlab, faGoogle, faMicrosoft } from '@fortawesome/free-brands-svg-icons'
 
@@ -9,7 +9,7 @@ import { faGithub, faGitlab, faGoogle, faMicrosoft } from '@fortawesome/free-bra
     styleUrls: ['./app.component.scss'],
 })
 export class AppComponent {
-    user: any
+    loggedIn: any
     ready = false
 
     providers = [
@@ -20,14 +20,12 @@ export class AppComponent {
     ]
 
     constructor (
-        private http: HttpClient,
+        private loginService: LoginService,
     ) { }
 
     async ngOnInit () {
-        const user = await this.http.get('/api/1/user').toPromise()
-        if (user.id) {
-            this.user = user
-        }
+        await this.loginService.ready$.toPromise()
+        this.loggedIn = !!this.loginService.user
         this.ready = true
     }
 }
diff --git a/src/components/main.component.pug b/src/components/main.component.pug
index 99d90e9..bd4a88e 100644
--- a/src/components/main.component.pug
+++ b/src/components/main.component.pug
@@ -46,6 +46,15 @@
                     fa-icon([icon]='_addIcon', [fixedWidth]='true')
                     span New config
 
+    div(ngbDropdown, placement='bottom-right')
+        button.btn(ngbDropdownToggle)
+            fa-icon([icon]='_connectionIcon', [fixedWidth]='true')
+
+        div(ngbDropdownMenu)
+            .form-check.form-switch
+                input.form-check-input(type='checkbox', ngModel='!!loginService.user.custom_connection_gateway')
+                label(class='form-check-label') Use custom connection gateway
+
     div(ngbDropdown, placement='bottom-right')
         button.btn(ngbDropdownToggle)
             fa-icon([icon]='_userIcon', [fixedWidth]='true')
diff --git a/src/components/main.component.ts b/src/components/main.component.ts
index d934794..76300f6 100644
--- a/src/components/main.component.ts
+++ b/src/components/main.component.ts
@@ -3,7 +3,8 @@ import { Component, ElementRef, ViewChild } from '@angular/core'
 import { HttpClient } from '@angular/common/http'
 import { AppConnectorService } from '../services/appConnector.service'
 
-import { faCog, faUser, faCopy, faTrash, faPlus } from '@fortawesome/free-solid-svg-icons'
+import { faCog, faUser, faCopy, faTrash, faPlus, faPlug } from '@fortawesome/free-solid-svg-icons'
+import { LoginService } from '../services/login.service'
 
 @Component({
     selector: 'main',
@@ -17,6 +18,7 @@ export class MainComponent {
     _copyIcon = faCopy
     _addIcon = faPlus
     _deleteIcon = faTrash
+    _connectionIcon = faPlug
 
     configs: any[] = []
     versions: any[] = []
@@ -26,6 +28,7 @@ export class MainComponent {
     constructor (
         private appConnector: AppConnectorService,
         private http: HttpClient,
+        public loginService: LoginService,
     ) {
         window.addEventListener('message', event => {
             if (event.data === 'request-connector') {
diff --git a/src/services/appConnector.service.ts b/src/services/appConnector.service.ts
index a82d418..69d7a02 100644
--- a/src/services/appConnector.service.ts
+++ b/src/services/appConnector.service.ts
@@ -3,30 +3,67 @@ import { Subject } from 'rxjs'
 import { debounceTime } from 'rxjs/operators'
 import { HttpClient } from '@angular/common/http'
 import { Injectable } from '@angular/core'
+import { LoginService } from '../services/login.service'
 
 export class SocketProxy {
     connect$ = new Subject<void>()
     data$ = new Subject<Buffer>()
+    error$ = new Subject<Buffer>()
 
     webSocket: WebSocket
     initialBuffer: Buffer
+    options: {
+        host: string
+        port: number
+    }
 
-    constructor () {
+    constructor (private appConnector: AppConnectorService) {
         this.initialBuffer = Buffer.from('')
     }
 
     connect (options) {
-        console.log('ws connect', options)
-        this.webSocket = new WebSocket(`ws://${location.host}/api/1/gateway/tcp/${options.host}:${options.port}`)
-        this.webSocket.onopen = event => {
+        this.options = options
+        this.webSocket = new WebSocket(
+            this.appConnector.loginService.user.custom_connection_gateway ||
+            `ws://${location.host}/api/1/gateway/tcp`
+        )
+        this.webSocket.onmessage = async event => {
+            if (typeof(event.data) === 'string') {
+                this.handleServiceMessage(JSON.parse(event.data))
+            } else {
+                this.data$.next(Buffer.from(await event.data.arrayBuffer()))
+            }
+        }
+    }
+
+    handleServiceMessage (msg) {
+        if (msg._ === 'hello') {
+            this.sendServiceMessage({
+                _: 'hello',
+                version: 1,
+                auth_token: this.appConnector.loginService.user.custom_connection_gateway_token,
+            })
+        } else if (msg._ === 'ready') {
+            this.sendServiceMessage({
+                _: 'connect',
+                host: this.options.host,
+                port: this.options.port,
+            })
+        } else if (msg._ === 'connected') {
             this.connect$.next()
             this.connect$.complete()
             this.webSocket.send(this.initialBuffer)
             this.initialBuffer = Buffer.from('')
+        } else if (msg._ === 'error') {
+            console.error('Connection gateway error', msg)
+            this.close(new Error(msg.details))
+        } else {
+            console.warn('Unknown service message', msg)
         }
-        this.webSocket.onmessage = async event => {
-            this.data$.next(Buffer.from(await event.data.arrayBuffer()))
-        }
+    }
+
+    sendServiceMessage (msg) {
+        this.webSocket.send(JSON.stringify(msg))
     }
 
     write (chunk: Buffer): void {
@@ -38,7 +75,12 @@ export class SocketProxy {
     }
 
     close (error: Error): void {
-        console.warn('socket destroy', error)
+        if (error) {
+            this.error$.next(error)
+        }
+        this.connect$.complete()
+        this.data$.complete()
+        this.error$.complete()
     }
 }
 
@@ -46,10 +88,13 @@ export class SocketProxy {
 export class AppConnectorService {
     config: any
     version: any
-    Socket = SocketProxy
+    user: any
     private configUpdate = new Subject<string>()
 
-    constructor (private http: HttpClient) {
+    constructor (
+        private http: HttpClient,
+        public loginService: LoginService,
+    ) {
         this.configUpdate.pipe(debounceTime(1000)).subscribe(async content => {
             const result = await this.http.patch(`/api/1/configs/${this.config.id}`, { content }).toPromise()
             Object.assign(this.config, result)
@@ -68,4 +113,8 @@ export class AppConnectorService {
     getAppVersion (): string {
         return this.version.version
     }
+
+    createSocket () {
+        return new SocketProxy(this)
+    }
 }
diff --git a/src/services/login.service.ts b/src/services/login.service.ts
new file mode 100644
index 0000000..8507800
--- /dev/null
+++ b/src/services/login.service.ts
@@ -0,0 +1,21 @@
+import { AsyncSubject } from 'rxjs'
+import { HttpClient } from '@angular/common/http'
+import { Injectable } from '@angular/core'
+
+
+@Injectable({ providedIn: 'root' })
+export class LoginService {
+    user: any
+    ready$ = new AsyncSubject<void>()
+
+    constructor (private http: HttpClient) {
+        this.init()
+    }
+
+    private async init () {
+        const user = await this.http.get('/api/1/user').toPromise()
+        this.user = user
+        this.ready$.next()
+        this.ready$.complete()
+    }
+}
diff --git a/terminus/app/admin.py b/terminus/app/admin.py
index 43e9afb..5f89b0d 100644
--- a/terminus/app/admin.py
+++ b/terminus/app/admin.py
@@ -2,5 +2,10 @@ from django.contrib import admin
 from django.contrib.auth.admin import UserAdmin
 from .models import User, Config
 
-admin.site.register(User, UserAdmin)
+class CustomUserAdmin(UserAdmin):
+    fieldsets = UserAdmin.fieldsets + (
+        (None, {'fields': ('custom_connection_gateway', 'custom_connection_gateway_token')}),
+    )
+
+admin.site.register(User, CustomUserAdmin)
 admin.site.register(Config)
diff --git a/terminus/app/api.py b/terminus/app/api.py
index fe214a5..988826d 100644
--- a/terminus/app/api.py
+++ b/terminus/app/api.py
@@ -67,7 +67,7 @@ class UserSerializer(ModelSerializer):
 
     class Meta:
         model = User
-        fields = ('id', 'username', 'active_config')
+        fields = ('id', 'username', 'active_config', 'custom_connection_gateway', 'custom_connection_gateway_token')
         read_only_fields = ('id', 'username')
 
 
diff --git a/terminus/app/migrations/0003_user_custom_connection_gateway.py b/terminus/app/migrations/0003_user_custom_connection_gateway.py
new file mode 100644
index 0000000..ac0b451
--- /dev/null
+++ b/terminus/app/migrations/0003_user_custom_connection_gateway.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.3 on 2021-06-20 20:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0002_auto_20210605_2137'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='custom_connection_gateway',
+            field=models.CharField(max_length=255, null=True),
+        ),
+    ]
diff --git a/terminus/app/migrations/0004_user_custom_connection_gateway_token.py b/terminus/app/migrations/0004_user_custom_connection_gateway_token.py
new file mode 100644
index 0000000..d62fe60
--- /dev/null
+++ b/terminus/app/migrations/0004_user_custom_connection_gateway_token.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.3 on 2021-06-20 20:45
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0003_user_custom_connection_gateway'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='custom_connection_gateway_token',
+            field=models.CharField(max_length=255, null=True),
+        ),
+    ]
diff --git a/terminus/app/models.py b/terminus/app/models.py
index 9cfdf07..751f878 100644
--- a/terminus/app/models.py
+++ b/terminus/app/models.py
@@ -16,6 +16,8 @@ class Config(models.Model):
 class User(AbstractUser):
     active_config = models.ForeignKey(Config, null=True, on_delete=models.CASCADE, related_name='+')
     active_version = models.CharField(max_length=32, null=True)
+    custom_connection_gateway = models.CharField(max_length=255, null=True)
+    custom_connection_gateway_token = models.CharField(max_length=255, null=True)
     created_at = models.DateTimeField(auto_now_add=True)
     modified_at = models.DateTimeField(auto_now=True)