diff --git a/modules/admin.nix b/modules/admin.nix
index 33e3e6d..553b704 100644
--- a/modules/admin.nix
+++ b/modules/admin.nix
@@ -1,6 +1,7 @@
 { config, pkgs, ... }:
 
 {
+  networking.firewall.allowedTCPPorts = [ 22 ];
   users.users.admin = {
     name = "admin";
     hashedPassword = "$6$ET8BLqODvw77VOmI$oun2gILUqBr/3WonH2FO1L.myMIM80KeyO5W1GrYhJTo./jk7XcG8B3vEEcbpfx3R9h.sR0VV187/MgnsnouB1";
diff --git a/modules/caddy.nix b/modules/caddy.nix
index 93016c1..3e5d237 100644
--- a/modules/caddy.nix
+++ b/modules/caddy.nix
@@ -3,8 +3,8 @@
 with lib;
 
 {
-  networking.firewall.allowedTCPPorts = [ 22 80 443 ];
-  networking.firewall.allowedUDPPortRanges = [ { from=443; to=443; } ];
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
+  networking.firewall.allowedUDPPorts = [ 443 ];
 
   # If I end up wanting to add plugins, see:
   # https://mdleom.com/blog/2021/12/27/caddy-plugins-nixos/