[squid-users] Transparent proxy with Ubuntu 15.04 and Squid3
squid3 at treenet.co.nz
Fri Oct 2 02:32:36 UTC 2015
On 2/10/2015 8:15 a.m., Jake wrote:
> I have a Squid/Dansguardian proxy server that successfully works when
> the client web browser is manually configured to use the proxy address:port.
> What I want to do is configure a transparent proxy server, presuming I
> wouldn't have to manually configure browsers.
"transparent proxy" is not what you think.
The best choice is to use WPAD/PAC auto-configuration. That gets you all
the benefts of manual configuration without the troubles of either
manual or interception.
> My LAN environment diagram:
> This is a home network environment with a cable modem, wifi router,
> client web browsers, and I have added the proxy server as a virtualized
> VMware server.
> For the proxy server I have two virtual network cards on the same subnet:
> eth0 192.168.1.14 (gateway and the proxy address)
> eth1 192.168.1.15
> Is it possible the proxy server can intercept traffic from the clients,
> when the clients have direct access to the internet router? I don't
> understand how traffic is "intercepted" in this diagram.
The router needs to route the packets to/through the proxy server.
> Do I need to change something on the router?
> How do I configure for proxy transparency?
You didn't say waht yoru router software was...
> I've read some configurations, but they were confusing, or out of date,
> or specialized without much explanation.
The explanation for that is each router software being different. Config
for one routing application will not work for others.
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