ipmasq rules in ip-up.d

["Sibuyas Bombay" <sibuyas@i-mailbox.net>]

hello everyone !
  i placed the following ip masquerading rules in my /etc/ip-up.d/masqrules
:

  #! /bin/sh
  /sbin/ipfwadm -F -p deny
  /sbin/ipfwadm -F -a m -S 192.168.1.0/24 -D 0.0.0.0/0

  my question is, with those masq rules automatically run everytime my ppp link
comes up, do i also have to write something for my ip-down.d so that those rules
will be deleted when the link comes down ?  if so, what are they ?

  thanks a lot,
  sib

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