on *:join:#:{ 
  if ($nick != $me) { 
    if (unknown????? iswm $nick) { 
      set %ucheck. [ $+ [ $address($nick,2) ] ] ooo 
      .timer. [ $+ [ $address($nick,2) ] ] 1 60 ban -ku60 $chan $nick 2 no unknown! 
      notice $nick Sorry, unknown nicks are NOT allowed, change it in 60 seconds or be kbed 
    } 
  } 
} 
on *:nick:#:{ 
  if ($newnick != $me) { 
    if (unknown????? iswm $newnick) && (!%ucheck. [ $+ [ $address($newnick,2) ] ]) { 
      .timer. [ $+ [ $address($nick,2) ] ] 1 60 ban -ku60 $chan $nick 2 no unknown! 
      notice $nick Sorry, unknown nicks are NOT allowed, change it in 60 seconds or be kbed 
    } 
    else { 
      .timer. [ $+ [ $address($newnick,2) ] ] off 
      notice $nick Thank you 
      unset %ucheck. [ $+ [ $address($newnick,2) ] ] 
    } 
  } 
}