add blocking type

config/action.d/route.conf

@@ -15,5 +15,11 @@
 #   - Blocking is per IP and NOT per service, but ideal as action against ssh password bruteforcing hosts
 
 [Definition]
-actionban   = ip route add blackhole <ip>
-actionunban = ip route del blackhole <ip>
+actionban   = ip route add <type> <ip>
+actionunban = ip route del <type> <ip>
+
+# Type of blocking
+#
+# Type can be blackhole, unreachable and prohibit. Unreachable and prohibit correspond to the ICMP reject messages.
+
+type = blackhole