diff --git a/lan-mouse-gtk/resources/window.ui b/lan-mouse-gtk/resources/window.ui
index 7c96036..58dcbd0 100644
--- a/lan-mouse-gtk/resources/window.ui
+++ b/lan-mouse-gtk/resources/window.ui
@@ -213,6 +213,58 @@
                         </child>
                       </object>
                     </child>
+                    <child>
+                      <object class="AdwPreferencesGroup">
+                        <property name="title" translatable="yes">Incoming Connections</property>
+                        <child>
+                          <object class="GtkListBox" id="connection_list">
+                            <property name="selection-mode">none</property>
+                            <child type="placeholder">
+                              <object class="AdwActionRow">
+                                <property name="title">no incoming connections!</property>
+                                <property name="subtitle">devices that control this pc will show up here</property>
+                              </object>
+                            </child>
+                            <style>
+                              <class name="boxed-list" />
+                            </style>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="AdwPreferencesGroup">
+                        <property name="title" translatable="yes">Authorized Keys</property>
+                        <property name="header-suffix">
+                          <object class="GtkButton">
+                            <signal name="clicked" handler="handle_add_cert_fingerprint" swapped="true"/>
+                            <property name="child">
+                              <object class="AdwButtonContent">
+                                <property name="icon-name">list-add-symbolic</property>
+                                <property name="label" translatable="yes">Add</property>
+                              </object>
+                            </property>
+                            <style>
+                              <class name="flat"/>
+                            </style>
+                          </object>
+                        </property>
+                        <child>
+                          <object class="GtkListBox" id="fingerprint_list">
+                            <property name="selection-mode">none</property>
+                            <child type="placeholder">
+                              <object class="AdwActionRow">
+                                <property name="title">no fingerprints!</property>
+                                <property name="subtitle">add a public key fingerprint via the + button</property>
+                              </object>
+                            </child>
+                            <style>
+                              <class name="boxed-list" />
+                            </style>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
                     </object>
                   </property>
                   </object>
diff --git a/lan-mouse-gtk/src/window/imp.rs b/lan-mouse-gtk/src/window/imp.rs
index b038242..fb67873 100644
--- a/lan-mouse-gtk/src/window/imp.rs
+++ b/lan-mouse-gtk/src/window/imp.rs
@@ -118,6 +118,11 @@ impl Window {
         self.obj().request_capture();
     }
 
+    #[template_callback]
+    fn handle_add_cert_fingerprint(&self, _button: &Button) {
+        log::info!("TODO: impl add certificate fingerprint");
+    }
+
     pub fn set_port(&self, port: u16) {
         self.port.set(port);
         if port == DEFAULT_PORT {
diff --git a/src/emulation.rs b/src/emulation.rs
index 74dd4ac..74105df 100644
--- a/src/emulation.rs
+++ b/src/emulation.rs
@@ -3,7 +3,7 @@ use futures::StreamExt;
 use input_emulation::{EmulationHandle, InputEmulation, InputEmulationError};
 use input_event::Event;
 use lan_mouse_ipc::Status;
-use lan_mouse_proto::ProtoEvent;
+use lan_mouse_proto::{Position, ProtoEvent};
 use local_channel::mpsc::{channel, Receiver, Sender};
 use std::{
     collections::HashMap,
@@ -44,10 +44,11 @@ impl Emulation {
                     log::trace!("{event} <-<-<-<-<- {addr}");
                     last_response.insert(addr, Instant::now());
                     match event {
-                        ProtoEvent::Enter(_) => {
+                        ProtoEvent::Enter(pos) => {
                             log::info!("{addr} entered this device");
                             server.release_capture();
                             listener.reply(addr, ProtoEvent::Ack(0)).await;
+                            server.register_incoming(addr, to_ipc_pos(pos));
                         }
                         ProtoEvent::Leave(_) => {
                             emulation_proxy.release_keys(addr);
@@ -196,3 +197,12 @@ impl EmulationProxy {
         let _ = (&mut self.task).await;
     }
 }
+
+fn to_ipc_pos(pos: Position) -> lan_mouse_ipc::Position {
+    match pos {
+        Position::Left => lan_mouse_ipc::Position::Left,
+        Position::Right => lan_mouse_ipc::Position::Right,
+        Position::Top => lan_mouse_ipc::Position::Top,
+        Position::Bottom => lan_mouse_ipc::Position::Bottom,
+    }
+}
diff --git a/src/server.rs b/src/server.rs
index f1fd7e7..92cbe0d 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -51,6 +51,7 @@ pub struct Server {
     capture_status: Rc<Cell<Status>>,
     pub(crate) emulation_status: Rc<Cell<Status>>,
     pub(crate) should_release: Rc<RefCell<Option<ReleaseToken>>>,
+    incoming_conns: Rc<RefCell<Vec<(SocketAddr, Position)>>>,
 }
 
 #[derive(Default)]
@@ -101,6 +102,7 @@ impl Server {
             pending_frontend_events: Rc::new(RefCell::new(VecDeque::new())),
             capture_status: Default::default(),
             emulation_status: Default::default(),
+            incoming_conns: Rc::new(RefCell::new(Vec::new())),
             should_release: Default::default(),
         }
     }
@@ -503,6 +505,10 @@ impl Server {
     pub(crate) fn get_active(&self) -> Option<ClientHandle> {
         self.active.get()
     }
+
+    pub(crate) fn register_incoming(&self, addr: SocketAddr, pos: Position) {
+        self.incoming_conns.borrow_mut().push((addr, pos));
+    }
 }
 
 fn to_capture_pos(pos: Position) -> input_capture::Position {