Re: [Shorewall-users] Reporting Analisysing program

Javier Martínez Fri, 01 Feb 2008 00:36:15 -0800

Hí everybody. Have a nice day.

I have installed drraw and it works fine. I have done all the configuration in /etc/shorewall/accounting, i have done the script to get the rrd that i need and finally i must insert with a daemon process each minute the data in the rrd files, in this stept is where i have problems.

I have followed this script, but it reports me an error.
What i do is this:

# /sbin/iptables -L vpn1-in -vxn
Chain vpn1-in (6 references)
    pkts      bytes target     prot opt in     out     source               destination
   81172 4220945            all -- ppp0   *       192.168.1.100        0.0.0.0/0
       0        0            all -- ppp0   *       192.168.1.101        0.0.0.0/0
       0        0            all -- ppp0   *       192.168.1.102        0.0.0.0/0
       0        0            all -- ppp0   *       192.168.1.103        0.0.0.0/0
       0        0            all -- ppp0   *       192.168.1.104        0.0.0.0/0
       0        0            all -- ppp0   *       192.168.1.105        0.0.0.0/0

and i make a cron with this file, that respond me with an error:

#sh javier1
ERROR: expected 6 data source readings (got 1) from N:

where the content of javier1 is:

# more javier1
#
/usr/bin/rrdtool update vpn1-in.rrd N:`/sbin/iptables -L vpn1-in -vxn | \
   /usr/bin/awk 'BEGIN { getline ; getline }
        { print $2 }' | \
/usr/bin/tr '
        ' ':' | /bin/sed -e 's/:$//'`

I don´t know what´s the matter, so i would agree you in advance if you can solve me the problem. I think for you is very easy because i am newbie in shell programming as you suppousse. Can you help me?
Thanks in advance

Simon Hobson wrote:

Javier Martínez wrote:

Anybody knows some graphic reporting/analysing 
program for shorewall 4.0.7 or i have to do it 
by accounting?


As Tom says, Shorewall is just a front end to 
make the low level stuff easier to administer.


Here are some scripts I use for traffic logging :

First you need to log the traffic, so in 'accounting' I have :

# Outside global stats
outside-in:COUNT	-	eth0	-
outside-out:COUNT	-	-	eth0
DONE	outside

# Do acocunting by IP address
account-ip	-	-	-
total-ip-in:COUNT	account-ip	eth0	-
total-ip-out:COUNT	account-ip	-	eth0
DONE total-ip

acc-serv
total-serv-in:COUNT	acc-serv	eth0	-
total-serv-out:COUNT	acc-serv	-	eth0
DONE	total-serv


INCLUDE accounting.ip
INCLUDE accounting.service


And in accounting.ip I have :

acc1-in:COUNT	account-ip	eth0	195.8.169.1
acc1-out:COUNT	account-ip	195.8.169.1	eth0
DONE	acc1

acc2-in:COUNT	account-ip	eth0	195.8.169.2
acc2-out:COUNT	account-ip	195.8.169.2	eth0
DONE	acc2

(and so on up to 254, yes, we have a whole class C to play with)
accounting.service is currently empty


Then you need somewhere to put the data, so we have an rrd file created thus :

rrdtool create ip-stats.rrd -s 300 \
  DS:total-in:DERIVE:600:0:U \
  DS:total-out:DERIVE:600:0:U \
  \
  DS:ip1-in:DERIVE:600:0:U \
  DS:ip1-out:DERIVE:600:0:U \
  DS:ip2-in:DERIVE:600:0:U \
  DS:ip2-out:DERIVE:600:0:U \
...
  DS:ip254-in:DERIVE:600:0:U \
  DS:ip254-out:DERIVE:600:0:U \
  \
  RRA:AVERAGE:0.5:1:576 \
  RRA:MAX:0.5:1:576 \
  RRA:AVERAGE:0.5:6:672 \
  RRA:MAX:0.5:6:672 \
  RRA:AVERAGE:0.5:24:732 \
  RRA:MAX:0.5:24:732 \
  RRA:AVERAGE:0.5:288:730 \
  RRA:MAX:0.5:288:730

# CFs for :
#   1 x 576    48hrx 5m
#   6 x 672    14d x 1/2hr
#  24 x 732    61d x 2hr
# 288 x 730   730d x 12hr




Then you need to get the data out of the kernel 
tables, I run this cron job once a minute :

/usr/bin/rrdtool update ip-stats.rrd N:`/sbin/iptables -L account-ip -vxn | \
  /usr/bin/awk 'BEGIN	{ getline ; getline }
	{ print $2 }' | \
  /usr/bin/tr '
' ':' | /bin/sed -e 's/:$//'`



The only step left then is to draw some graphs. 
The scripts I have for that are, well 'a bit 
ragged' and also too big to post here.


Hopefully that should give you some ideas of what 
is possible - 'man' is your friend in working out 
what each bit of the script does, and the online 
documentation for shorewall will cover that side.

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Javier Martínez
Director General

Sip2000 Sistemas

Sip2000 Sistemas
Luis Morondo Urra 11 Bajo
31006 Pamplona Navarra
http://www.sip2000.es

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