<html><head></head><body><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;">Hi</div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;">I asked my question before.It seems that anybody can not answer it!!<br></div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;">As you know, we can mark packets when they go out of squid with "<span><a name="tcp_outgoing_mark">tcp_outgoing_mark</a></span>", this mark is based on Source IP or Source MAC of client, but i want to mark them based on mark of input packet, something like this:</div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><br></div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;">In iptables > mangle > PREROUTING: <br></div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;">iptables -t mangle -A PREROUTING -p tcp --dport 80 -j MARK --set-mark 1</div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><span><br></span></div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><span></span>In Squid Configuration:</div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;">acl MARKED_PACKETS nfmark 1</div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;">tcp_outgoing_mark 1 MARKED_PACKETS<br></div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><br></div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><br></div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;">Is that possible? How can i solve my problem??</div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><br></div><div class="ydpa86c133byahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;">Tanx<br></div></body></html>