diff --git a/etc/fail2ban/jail.d/ufw-probe.conf b/etc/fail2ban/jail.d/ufw-probe.conf
index 6722d51..ae52be5 100644
--- a/etc/fail2ban/jail.d/ufw-probe.conf
+++ b/etc/fail2ban/jail.d/ufw-probe.conf
@@ -1,7 +1,7 @@
 [ufw-probe]
 
 # We specify all ports since probing attacks are not limited to any one port.
-port        = all
+port        = 0:65535
 
 # This should be specified in your jail.conf but we'll put it here just in case.
 # The localhost might have reasons to probe itself, so it should never be