On 12/07/2014 2:10 a.m., johnzeng wrote: > > Hello Dear Eliezer: > > Thanks , i build squid2.7stable9 at ubuntu > > and i prepare to realize wccp at "http_port 3128 transparent"( but this > is interception mode only ) at firep step. > > second step is wccp at " http_port 3128 transparent tproxy " ( it will > is transparent mode ) . Squid 2.7 does not support TPROXYv4 which is what modern kernels provide. To use TPROXY in Squid-2 you require to also custom build a kernel 2.6.18 or older with the TPROXYv2 kernel patches, and the ctproxy tools. Amos