On Tuesday 17 June 2003 02.21, Andrew Thomson wrote:

> my first question relates to the --enable-ipf-transparent
>
> do I need it on freebsd 5.0??

You always need one of the transparent configure options. Which one 
you need varies with platform and interception method used.

> if I try and compile it with this setting i get the following
> configure output.
> checking if IP-Filter header files are installed... no
> WARNING: Cannot find necessary IP-Filter header files
>          Transparent Proxy support WILL NOT be enabled
>
> However my kernel is compiled with firewall support.

It is possible FreeBSD 5.0 has changed the firewall implementation and 
no longer is using IP-Filter.

> I'm also running a setup where I have a freebsd firewall which will
> fwd the packets to the freebsd squid server.

In such case you should do the redirection by routing, not NAT. Squid 
needs to run on the same box which performs the NAT to be able to 
derive the original destination address. If you NAT on a separate box 
then this information will be hidden from the proxy box, making it 
impossible for Squid to query the system what the original 
destination IP address was.

Regards
Henrik

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