diff -ur shorewall-5.2.1.orig/shorewall/install.sh shorewall-5.2.1/shorewall/install.sh
--- shorewall-5.2.1.orig/shorewall/install.sh	2018-10-11 21:40:46.293033000 +0000
+++ shorewall-5.2.1/shorewall/install.sh	2018-10-11 21:41:47.396033000 +0000
@@ -220,6 +220,8 @@
 		BUILD=archlinux
 	    elif [ -f ${CONFDIR}/openwrt_release ] ; then
 		BUILD=openwrt
+	    elif [ -f /etc/tld-release ] ; then
+		BUILD=tld
 	    else
 		BUILD=linux
 	    fi
@@ -277,6 +279,9 @@
     alt)
 	echo "Installing ALT-specific configuration...";
 	;;
+    tld)
+	echo "Installing TLD-specific configuration..."
+	;;
     linux)
 	;;
     *)
diff -ur shorewall-5.2.1.orig/shorewall6/install.sh shorewall-5.2.1/shorewall6/install.sh
--- shorewall-5.2.1.orig/shorewall6/install.sh	2018-10-11 21:40:46.293033000 +0000
+++ shorewall-5.2.1/shorewall6/install.sh	2018-10-11 21:41:47.397033000 +0000
@@ -220,6 +220,8 @@
 		BUILD=archlinux
 	    elif [ -f ${CONFDIR}/openwrt_release ] ; then
 		BUILD=openwrt
+	    elif [ -f /etc/tld-release ] ; then
+		BUILD=tld
 	    else
 		BUILD=linux
 	    fi
@@ -277,6 +279,9 @@
     alt)
 	echo "Installing ALT-specific configuration...";
 	;;
+    tld)
+	echo "Installing TLD-specific configuration..."
+	;;
     linux)
 	;;
     *)
diff -ur shorewall-5.2.1.orig/shorewall6-lite/install.sh shorewall-5.2.1/shorewall6-lite/install.sh
--- shorewall-5.2.1.orig/shorewall6-lite/install.sh	2018-10-11 21:40:46.294033000 +0000
+++ shorewall-5.2.1/shorewall6-lite/install.sh	2018-10-11 21:41:47.397033000 +0000
@@ -274,6 +274,9 @@
     alt)
 	echo "Installing ALT-specific configuration...";
 	;;
+    tld)
+	echo "Installing TLD-specific configuration..."
+	;;
     linux)
 	;;
     *)
diff -ur shorewall-5.2.1.orig/shorewall-core/install.sh shorewall-5.2.1/shorewall-core/install.sh
--- shorewall-5.2.1.orig/shorewall-core/install.sh	2018-10-02 15:21:54.000000000 +0000
+++ shorewall-5.2.1/shorewall-core/install.sh	2018-10-11 21:42:16.164033000 +0000
@@ -195,6 +195,8 @@
 		BUILD=archlinux
 	    elif [ -f ${CONFDIR}/openwrt_release ] ; then
 		BUILD=openwrt
+	    elif [ -f /etc/tld-release ] ; then
+		BUILD=tld
 	    else
 		BUILD=linux
 	    fi
@@ -243,7 +245,7 @@
     apple)
 	echo "Installing Mac-specific configuration...";
 	;;
-    debian|gentoo|redhat|slackware|archlinux|linux|suse|openwrt|alt)
+    debian|gentoo|redhat|slackware|archlinux|linux|suse|openwrt|alt|tld)
 	;;
     *)
 	fatal_error "Unknown HOST \"$HOST\""
diff -ur shorewall-5.2.1.orig/shorewall-init/install.sh shorewall-5.2.1/shorewall-init/install.sh
--- shorewall-5.2.1.orig/shorewall-init/install.sh	2018-10-11 21:40:46.294033000 +0000
+++ shorewall-5.2.1/shorewall-init/install.sh	2018-10-11 21:41:47.397033000 +0000
@@ -206,6 +206,8 @@
 		BUILD=archlinux
 	    elif [ -f ${CONFDIR}/openwrt_release ]; then
 		BUILD=openwrt
+	    elif [ -f /etc/tld-release ] ; then
+		BUILD=tld
 	    else
 		BUILD=linux
 	    fi
@@ -261,6 +263,9 @@
     alt)
 	echo "Installing ALT-specific configuration...";
 	;;
+    tld)
+	echo "Installing TLD-specific configuration..."
+	;;
     linux)
 	fatal_error "Shorewall-init is not supported on this system"
 	;;
diff -ur shorewall-5.2.1.orig/shorewall-lite/install.sh shorewall-5.2.1/shorewall-lite/install.sh
--- shorewall-5.2.1.orig/shorewall-lite/install.sh	2018-10-11 21:40:46.295033000 +0000
+++ shorewall-5.2.1/shorewall-lite/install.sh	2018-10-11 21:41:47.398033000 +0000
@@ -274,6 +274,9 @@
     alt)
 	echo "Installing ALT-specific configuration...";
 	;;
+    tld)
+	echo "Installing TLD-specific configuration..."
+	;;
     linux)
 	;;
     *)