Re: How to Stop bypassing Proxy server?
Date: Sun, 30 May 2004 02:06:28 +0800
i am using a similar setup on my network. what i did was this. (squid is
using port 3128).
1) created a bridge with 2 network cards.
2) configured the router to pass all traffic to this proxy
3) iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port
4) configured squid to do transparent proxy.
All the users dont even know they are behind the squid proxy.
"ssp2000" <email@example.com> wrote in message
> Some of the users at my location are accessing the Internet by
> bypassing the in-house proxy server. They are just typing the upstream
> proxy server IP address and port number in browser and accessing the
> Internet. How can I prohibit such activities? My network is on
> 192.168.7.0 and IP address of upstream proxy server is 220.127.116.11
> (take these IP addresses as an example). I can access 18.104.22.168
> network from my location. I am using Squid Proxy server on Linux
> RH8.Can anyone suggests use of IPTABLES to achieve this?
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