diff --git a/mount.nix b/mount.nix
index e1de835..36a7774 100644
--- a/mount.nix
+++ b/mount.nix
@@ -65,4 +65,9 @@
     cifs-utils
     sshfs
   ];
+
+  # For SMB connection allowing outgoing 445
+  networking.firewall.extraCommands = ''
+    iptables -A OUTPUT -p tcp --dport 445 -j ACCEPT
+  '';
 }