```
+rule 3 {
+ action drop
+ source {
+ mac-address !XX:XX:XX:XX:XX:c4
+ }
+}
[edit firewall name local-outside-v4]
[email protected]# commit
[ firewall name local-outside-v4 ]
iptables: Invalid argument. Run `dmesg' for more information.
iptables error: No such file or directory - -m comment --comment "local-outside-v4-3" -m mac ! --mac-source XX:XX:XX:XX:XX:c4 -j DROP at /opt/vyatta/sbin/vyatta-firewall.pl line 708.
[[firewall name local-outside-v4]] failed
```