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Date:      Wed, 25 Nov 1998 07:57:55 +0900 (JST)
From:      sanpei@sanpei.org (MIHIRA Yoshiro)
To:        admin@sunflower.com
Cc:        freebsd-current@FreeBSD.ORG
Subject:   Re: Panic using IPFILTER w/ NAT
Message-ID:  <199811242257.HAA01684@lavender.yy.cs.keio.ac.jp>
In-Reply-To: Your message of "Wed, 25 Nov 1998 00:17:32 JST". <Pine.BSF.4.05.9811240856540.2721-100000@artorius.sunflower.com>

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>> FreeBSD 3.0-CURRENT #0: Mon Nov 23 21:08:21 CST 1998
>> root@madeline.sunflower.com:/usr/src/sys/compile/MADELINE
>> (cvsup'd and compiled on Sunday)
>> 
>> Running: sshd 1.2.26
>> 	 isc-dhcpd server
>> 	 BIND 8.1.2
>> 	 sendmail 8.9.1
>> 
>> Slow but has been steady for the last 4 years. :)
>> 
>> Initial ipnat rules:
>> 
>> map ed0 10.15.0.0/16 -> 0/32 proxy port ftp ftp/tcp
>> map ed0 10.15.0.0/16 -> 0/32 portmap tcp/udp 10000:40000
>> map ed0 10.15.0.0/16 -> 0/32

  I think version number of IP Filter in 3.0-CURRENT is 3.2.7.
  Version number of latest and released IP Filter is 3.2.10.

  I'm member of IP Filter mailing list. I tested many time with
3.2.10 with 2.2.6R box, and ftp proxy has many bugs before ver. 3.2.10 :-<

  If you do not use ftp proxy and use PASSIVE MODE ftp, your
machine will be stable, I think.

  Moreover, currently ftp proxy reboot problem was fixed, but
it does not care lost packet and does not recalculate ack number. 
I think ftp proxy is experimental code, I do not use this.

  BTW, IP Filter 3.2.10 does not support FreeBSD-3.0, only
support 2.2-stable(2.1?). Darren who is author of IP Filter,
said that 3.0R code is too many changes from 2.2-stable, he does not
have plan to support 3.0-current.
   Does someone have plan to port latest IP Filter to FreeBSD-current
source??

Cheers
MIHIRA Yoshiro

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