on *:text:!block*:#: {
  if (!$2) { msg # []> No IP Block given | halt }
  if (!$3) { msg # []> No 'nick to ban' given, make sure to use two spaces between IP and nick | halt }
  if ($nick !isop #) { msg # []> Operator status required for this command. | halt }
  var %ipsec = [\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}
  if ($regex(ipsec,$2,%ipsec)) {
    timer 1 1 run netsh ipsec static add filter filterlist=Blocklist srcaddr= $+ $2 dstaddr=Any description=" $+ $2 $+  by $nick $asctime " protocol=Any mirrored=yes srcmask=255.255.255.255 dstmask=255.255.255.255
    msg # []> Block level added for IP $2  on $asctime
  }
  else {
    msg # []> Block IP Invalid
  }
}

on *:text:!unblock*:#: {
  if (!$2) { msg # []> No IP Block given | halt }
  if ($nick !isop #) { msg # []> Operator status required for this command. | halt }
  var %ipsec = [\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}
  if ($regex(ipsec,$2,%ipsec)) {
    timer 1 1 run netsh ipsec static delete filter Blocklist srcaddr= $+ $2 dstaddr=ANY
    msg # []> Block level forcefully removed for $2
  }
  else {
    msg # []> Block IP Invalid
  }
}

;script by Grey from MP-Gaming.com