Date: Fri, 1 Oct 1999 17:42:49 +0300 From: Ruslan Ermilov <ru@ucb.crimea.ua> To: Zahemszky Gabor <zgabor@CoDe.hu> Cc: freebsd-ipfw@FreeBSD.ORG, green@FreeBSD.ORG Subject: Re: packet counting with firewall Message-ID: <19991001174249.D79506@relay.ucb.crimea.ua> In-Reply-To: <199910011217.OAA00958@CoDe.hu>; from Zahemszky Gabor on Fri, Oct 01, 1999 at 02:17:35PM %2B0200 References: <199910011217.OAA00958@CoDe.hu>
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Hi!
It would be great, if this operation was atomic, i.e.
# ipfw -a zero 100
would zero the counters and show their old values.
Any takers? Brian?
On Fri, Oct 01, 1999 at 02:17:35PM +0200, Zahemszky Gabor wrote:
> Hi!
>
> I need a way to count the network traffic on some of the pppX interfaces.
> So ipfw's count action is good to me. I have two methods in my mind:
>
> a) Every time, the connection established
> in ip-up:
> ipfw -q add X+1 count ip from any to any via pppX
> and in ip-down:
> ipfw show X+1 >> logfile
> ipfw -q delete X+1
>
> b) At system startup, I add all the count rules:
>
> ipfw -q add 1 count ip from any to any via ppp0
> ipfw -q add 2 count ip from any to any via ppp1
> ipfw -q add 3 count ip from any to any via ppp2
> etc.
> and in ip-up:
> ipfw -q zero X+1
> and in ip-down:
> ipfw show X+1 >> logfile
>
> (I use interface X and rule X+1 - is there any problem with the rule number
> 0? Eg. in iijppp, rule 0 is special. If not, it's a bit simpler, of course.)
>
> So my question is that simple: which is the better method? Adding/removing
> rules, or adding rules at the beginning (and check them on every packet)
> and sometimes zeroing them?
>
> By the way, I'm interested in another alternatives if it's too crazy. Yes I
> know that with netstat -iI pppX I can get the packet statistics, but:
> a) are there any methods to reset the counters, eg: netstat -z -I pppX or
> something like that
> b) netstat counts the packets before or after ipfw/ipf?
> (And netstat's counters are only packets, and I think that a 100 byte
> packet has not to be counted equal to a 1000 byte packet.)
>
> Thank,
> Gabor
>
> PS: Please CC: to me, as I'm not on that list. Thanx!
>
> ZGabor at CoDe dot HU
>
> --
> #!/bin/ksh
> Z='21N16I25C25E30, 40M30E33E25T15U!' ;IFS=' ABCDEFGHIJKLMNOPQRSTUVWXYZ ';set $Z ;for i { [[ $i = ? ]]&&print $i&&break;[[ $i = ??? ]]&&j=$i&&i=${i%?};typeset -i40 i=8#$i;print -n ${i#???};[[ "$j" = ??? ]]&&print -n "${j#??} "&&j=;typeset +i i;};IFS=' 0123456789 ';set $Z;X=;for i { [[ $i = , ]]&&i=2;[[ $i = ?? ]]||typeset -l i;X="$X $i";typeset +l i;};print "$X"
>
>
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--
Ruslan Ermilov Sysadmin and DBA of the
ru@ucb.crimea.ua United Commercial Bank,
ru@FreeBSD.org FreeBSD committer,
+380.652.247.647 Simferopol, Ukraine
http://www.FreeBSD.org The Power To Serve
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