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Question trying to setup a transparent filter bridge with Dans Guardian ver 2.9.9.7, Squid 2.7 Stable 3 with the help of some iptables and ebtables statements. So Basically i have ...
- 02-24-2010 #1Just Joined!
- Join Date
- Sep 2006
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- 7
Transparent filter bridge
Question trying to setup a transparent filter bridge with Dans Guardian ver 2.9.9.7, Squid 2.7 Stable 3 with the help of some iptables and ebtables statements. So Basically i have configured the ubuntu 9.04 machine as a bridge with the following commands
ifconfig eth0 0.0.0.0 promisc up
ifconfig eth1 0.0.0.0 promisc up
brctl addbr br0
brctl addif br0 eth0
brctl addif br0 eth1
ifconfig br0 x.x.x.x netmask 255.255.255.0 up
route add default gw x.x.x.x dev br0
I have only made the following change to the Squid Config
http_port 3128 transparent
http_access allow localnet
http_access allow localhost
acl localnet src (my network address/24)
everything else unchanged
The changes made to dansguardian are are follow
#UNCONFIGURED
everything else remained as default.
And the follow iptables and ebtables commands
#ebtables -t broute -A BROUTING -p IPv4 --ip-protocol 6 \
--ip-destination-port 80 -j redirect --redirect-target ACCEPT
# iptables -t nat -A PREROUTING -i br0 -p tcp --dport 80 \
-j REDIRECT --to-port 3128
Now for the problem if i manually configure a client browser the filter works fine however when i remove the proxy settings squid still works (as i did a # tail -f /var/log/squid/access.log and squid was processing web traffic) but then dansguardian doesnt work. I am somewhat new to this but i am stumped any help would be highly appreciated
My
- 02-25-2010 #2Just Joined!
- Join Date
- Sep 2006
- Posts
- 7
Damn doesnt anyone have any ideas?
- 02-26-2010 #3Just Joined!
- Join Date
- Sep 2006
- Posts
- 7
Cmon i need something!!! anything!!!


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