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Date:      Thu, 5 Oct 2000 20:29:24 +0300
From:      Ruslan Ermilov <ru@FreeBSD.org>
To:        Bill Fumerola <billf@FreeBSD.org>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sbin/ipfw ipfw.c src/sys/netinet ip_fw.c ip_fw.h
Message-ID:  <20001005202924.A63643@sunbay.com>
In-Reply-To: <200010020303.UAA99196@freefall.freebsd.org>; from billf@FreeBSD.org on Sun, Oct 01, 2000 at 08:03:31PM -0700
References:  <200010020303.UAA99196@freefall.freebsd.org>

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On Sun, Oct 01, 2000 at 08:03:31PM -0700, Bill Fumerola wrote:
> billf       2000/10/01 20:03:31 PDT
> 
>   Modified files:
>     sbin/ipfw            ipfw.c 
>     sys/netinet          ip_fw.c ip_fw.h 
>   Log:
>   Add new fields for more granularity:
>   	IP: version, tos, ttl, len, id
>   	TCP: seq#, ack#, window size
>   
What is the purpose of having the following modifiers?
- ipversion (ipfw will only be passed IPv4 packets)
- ipid
- tcpseq
- tcpack
How these can be really useful?  I think they should be dropped.

The current implementation of iplen, ipttl and tcpwin modifiers
does not seem interesting, because comparison is only limited to
equality.  I think they should be modified to accept the range
of values, specified by lowest and highest boundaries, so one
could specify `iplen 20-50' (20 <= iplen <= 50), `ipttl 0-5'
(ipttl <= 5), etc.

<PS>
Bill, I have finished updating the manual, but do not want to
commit the change before you answer my questions above.
</PS>

-- 
Ruslan Ermilov		Oracle Developer/DBA,
ru@sunbay.com		Sunbay Software AG,
ru@FreeBSD.org		FreeBSD committer,
+380.652.512.251	Simferopol, Ukraine

http://www.FreeBSD.org	The Power To Serve
http://www.oracle.com	Enabling The Information Age


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