salt/ferm: drop 2a06:8187:fbc0::/42

salt/files/ferm.conf

 @def $ownASN6 = (2a06:8187:fb00::/40);
-@def $saltmaster  = (2a01:4f8:192:11d2::99);
-@def $ownExternal6  = (2001:bc8:182c:2321::1);
+@def $saltmaster = (2a01:4f8:192:11d2::99);
+@def $ownExternal6 = (2001:bc8:182c:2321::1);
 
 domain (ip6) {
   table filter {
     chain INPUT {
       proto tcp mod multiport destination-ports (4505 4506) {
+        saddr (2a06:8187:fbc0::/42) DROP;
         saddr $ownASN6 ACCEPT;
         saddr $saltmaster ACCEPT;
         saddr $ownExternal6 ACCEPT;