and who made you do to take some pieces at random and put them in the router?
reload backup
oh, no backup?
this is the counter-script
/ip firewall address-list
remove [find where list=Bogons]
/ip firewall filter
remove [find where action=accept chain=input port=69 protocol=udp]
remove [find where action=accept chain=forward port=69 protocol=udp]
remove [find where action=drop chain=forward connection-nat-state=!dstnat connection-state=new in-interface=ether1]
remove [find where action=drop chain=forward dst-address-list=Bogons]
remove [find where action=drop chain=input in-interface=ether1]