fix: syntax error in reserved ports configuration; ensure ports are reserved prior to setup

salt/common/files/99-reserved-ports.conf

@@ -1 +1 @@
-net.ipv4.ip_local_reserved_ports="55000,57314"
+net.ipv4.ip_local_reserved_ports=55000,57314

setup/so-functions

@@ -1792,6 +1792,16 @@ reserve_group_ids() {
 	groupadd -g 946 cyberchef
 }
 
+reserve_ports() {
+	# These are also set via salt but need to be set pre-install to avoid conflicts before salt runs
+	if ! sysctl net.ipv4.ip_local_reserved_ports | grep 55000 | grep 57314; then
+		echo "Reserving ephemeral ports used by Security Onion components to avoid collisions"
+		sysctl -w net.ipv4.ip_local_reserved_ports="55000,57314"
+	else
+		echo "Ephemeral ports already reserved"
+	fi
+}
+
 reinstall_init() {
 	info "Putting system in state to run setup again"
 	

setup/so-setup

@@ -550,6 +550,8 @@ set_redirect >> $setup_log 2>&1
 	# Show initial progress message
 	set_progress_str 0 'Running initial configuration steps'
 
+	reserve_ports
+	
 	set_path
 
 	if [[ $is_reinstall ]]; then