Cisco Systems Routing remote office through web filter

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Subject Author Date
Routing remote office through web filter Scott 06-03-08
Posted by Scott on June 3, 2008, 12:28 pm
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I've got a Barracuda web filter for filtering web traffic. It sits
inline between the local network (172.30.17.0/24) and a Cisco 1841 off
of fa0/0. I've got the Barracuda tagging users through LDAP so it
needs to stay on the inside. fa0/1 is unused. s0/1/0 goes to the
internet. s0/0/0 goes to a remote office (172.29.3.0/24) across a
point-to-point connection.

I need traffic from the 172.29.3.0 network to go through the web
filter before going to the internet. Any suggestions?

Posted by artie lange on June 3, 2008, 12:33 pm
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Scott wrote:
> I've got a Barracuda web filter for filtering web traffic. It sits
> inline between the local network (172.30.17.0/24) and a Cisco 1841 off
> of fa0/0. I've got the Barracuda tagging users through LDAP so it
> needs to stay on the inside. fa0/1 is unused. s0/1/0 goes to the
> internet. s0/0/0 goes to a remote office (172.29.3.0/24) across a
> point-to-point connection.
>
> I need traffic from the 172.29.3.0 network to go through the web
> filter before going to the internet. Any suggestions?


What kind of switch do you have? If it supports SPAN, then create a SPAN
port where all traffic from the fa0/0 gets copied to the port the
barracuda box sits on.

Posted by Wwieslaw on June 3, 2008, 1:12 pm
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Scott wrote:
> I need traffic from the 172.29.3.0 network to go through the web
> filter before going to the internet. Any suggestions?

Run appliance in proxy mode (you will need to update browsers with proxy
settings and lock it - easy job if you're running windows domain)

Wieslaw

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