[tproxy] [HELP] Tproxy server Can't receive any client packet

linuxpark linuxpark at gmail.com
Wed Nov 25 09:54:30 CET 2009

Thanks your reply ~

i succeed in tproxy function of the apache server
kernel 2.6.31 (vannilla kernel)
iptables 1.4.3   (no patched)
apache 2.2.9 + patches (main socket routine of the apache, mod_tproxy.c)


KOVACS Krisztian 쓴 글:
> Hi,
> On Mon, 2009-11-23 at 15:51 +0900, 박제호 wrote:
>> i have a problem in my transparent proxy test,
>> i recently made up the testbed as below to run the tproxy patched
>> apache proxy [mod_proxy],
>> and i applied all iptables and routing rules with referencing the
>> readme file [http://www.balabit.com/downloads/files/tproxy/README.txt,
>> http://www.mjmwired.net/kernel/Documentation/networking/tproxy.txt]
>> the proxy server listening the port 3128 and i checked there were no problem.
>> but  when the client tried to connect the web server,
>> the packets reached to the box and i found the usage counts of filter
>> rules in the mangle table incresed
>> but my tproxy server could not receive any corresponding packet from the socket
>> I want to know why my proxy server can't receive any packet through the socket,
>> Do i need some more DNAT rules ?
> Would you mind testing the setup with an unpatched upstream kernel, that
> has tproxy built-in? (2.6.31, for example)
> Also, please download the latest iptables from netfilter.org and try
> using that. (No need for patching, tproxy support is in upstream.)
> That would help a lot in identifying the source of the issue. Thanks in
> advance.
> Cheers,
> Krisztian

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