From owner-freebsd-ipfw  Wed Oct 27  4:52:26 1999
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Date: Wed, 27 Oct 1999 13:51:23 +0200
From: Damian Kuczynski <dakuc@nik.gov.pl>
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To: hackers@freebsd.org, ipfw@freebsd.org
Subject: Some modifications to natd. proposal
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Hello

I use natd + libalias in my test network connected to internet.
From my point of view main disadvantage of this program is, that i can't
see what' s
going on in packet alias engine, (ipfwadm -l -M, or ipfstat -s in
ipfilter) so I'm working on patches to natd and libalias which give me
that possibility.
Can you suggest me, which informations about link should be displayed
for links.


When I look on alias table, I can see, that some links have non positive
expire times calculated as
link->expire_time-(timeStamp-link->timestamp)
I think, that is a bad idea, and is possible to reinit link, even if it
should be deleted from table as expired.
For now links a deleted from alias table only as a result of
HouseKeeping function called when packet is putted to procesing by alias
engine
Do links shouldn't be also checked against expirity at least when link
is found in.
_FindLinkIn

Sorry About my Engllsh

Best Regards

Damian Kuczynski



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