diff --git a/src/freedombone b/src/freedombone
index bb2fcf60..c2ac8af1 100755
--- a/src/freedombone
+++ b/src/freedombone
@@ -4076,6 +4076,16 @@ function configure_firewall_for_voip {
     echo 'configure_firewall_for_voip' >> $COMPLETION_FILE
 }
 
+function configure_firewall_for_syncthing {
+    if grep -Fxq "configure_firewall_for_syncthing" $COMPLETION_FILE; then
+        return
+    fi
+    iptables -A INPUT -p udp --dport $SYNCTHING_PORT -j ACCEPT
+    iptables -A INPUT -p tcp --dport $SYNCTHING_PORT -j ACCEPT
+    save_firewall_settings
+    echo 'configure_firewall_for_syncthing' >> $COMPLETION_FILE
+}
+
 function configure_firewall_for_voip_turn {
     if [[ $SYSTEM_TYPE == "$VARIANT_WRITER" || $SYSTEM_TYPE == "$VARIANT_MAILBOX" || $SYSTEM_TYPE == "$VARIANT_CLOUD" || $SYSTEM_TYPE == "$VARIANT_SOCIAL" || $SYSTEM_TYPE == "$VARIANT_MEDIA" || $SYSTEM_TYPE == "$VARIANT_DEVELOPER" ]]; then
         return
@@ -10492,6 +10502,7 @@ script_for_attaching_usb_drive
 install_web_server
 install_web_server_access_control
 configure_firewall_for_web_server
+configure_firewall_for_syncthing
 install_syncthing
 upgrade_golang
 install_gogs