diff --git a/development.sh b/development.sh
index 596ea4a..13f1154 100644
--- a/development.sh
+++ b/development.sh
@@ -13,6 +13,20 @@ done
 echo "VerifyHostKeyDNS yes" | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
 sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
 
+# Disable cups
+sudo launchctl unload /System/Library/LaunchDaemons/org.cups.cupsd.plist
+sudo launchctl remove /System/Library/LaunchDaemons/org.cups.cupsd.plist
+
+# Firewall rules
+/usr/libexec/ApplicationFirewall/socketfilterfw --setallowsignedapp off
+/usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate on
+/usr/libexec/ApplicationFirewall/socketfilterfw --setstealthmode on
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/libexec/remoted
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/libexec/sharingd
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/libexec/sshd-keygen-wrapper
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/sbin/cupsd
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/sbin/smbd
+
 # Install Brew
 /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
 (echo; echo 'eval "$(/opt/homebrew/bin/brew shellenv)"') >> /Users/$(USERS)/.zprofile
diff --git a/primary.sh b/primary.sh
index df6fdd7..f7bcf95 100644
--- a/primary.sh
+++ b/primary.sh
@@ -15,6 +15,22 @@ sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
 
 umask 022
 
+# Disable cups
+sudo launchctl unload /System/Library/LaunchDaemons/org.cups.cupsd.plist
+sudo launchctl remove /System/Library/LaunchDaemons/org.cups.cupsd.plist
+
+# Firewall rules
+/usr/libexec/ApplicationFirewall/socketfilterfw --setallowsignedapp off
+/usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate on
+/usr/libexec/ApplicationFirewall/socketfilterfw --setstealthmode on
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/bin/python3
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/bin/ruby
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/libexec/remoted
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/libexec/sharingd
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/libexec/sshd-keygen-wrapper
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/sbin/cupsd
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --blockapp /usr/sbin/smbd
+
 # Setup Edge Enterprise Policies
 sudo mkdir -p '/Library/Tomster Corporation/scripts/' '/Library/Tomster Corporation/prefs/' '/Library/Managed Preferences'
 curl https://raw.githubusercontent.com/TommyTran732/macOS-Setup-Script/etc/Library/Tomster%20Corporation/apply_prefs.sh | sudo tee '/etc/Library/Tomster Corporation/apply_prefs.sh'