Please create a case, any information I would want from you may be sensative and I would not want you to post it here.
Please gather a tcpdump and a feedback from the Web Gateway.
Since all requests are in a failure state, I would guess that the ICAP server would be off on the MWG.
thanks for your help.
but i think this issue is not from the web-gw. as i pointed out as above that we make the web-gw down, then the client pc keep accessing website fine , that means the