Le vendredi 02 décembre 2011 à 15:05 +1300, Amos Jeffries a écrit : > Hooray progress :) > > > On 2/12/2011 5:49 a.m., David Touzeau wrote: > > > > Here it is the log in debug mode : > > > > ---------- > > 2011/12/01 17:49:14.106 kid1| HTTP Client local=4.26.235.254:80 > > remote=192.168.1.228:1074 FD 30 flags=33 > > 2011/12/01 17:49:14.106 kid1| HTTP Client REQUEST: > > --------- > > GET /v9/windowsupdate/a/selfupdate/WSUS3/x86/Other/wsus3setup.cab?1112011649 HTTP/1.1 > > Accept: */* > > User-Agent: Windows-Update-Agent > > Host: download.windowsupdate.com > > Connection: Keep-Alive > > K. first problem: > # host download.windowsupdate.com > ... > download.windowsupdate.com.c.footprint.net has address 204.160.124.126 > download.windowsupdate.com.c.footprint.net has address 8.27.83.126 > download.windowsupdate.com.c.footprint.net has address 8.254.3.254 > > > Client is connecting to server 4.26.235.254 port 80. Which is clearly > not "download.windowsupdate.com" according to the official DNS entries I > can see. It is likely you have another set of IPs entirely, so please > confirm that by running "host download.windowsupdate.com" on the Squid box. > > Note that transparent Squid requires the same DNS "view" as the clients > to keep the traffic flowing to the right places. Since it should be in > the same network as the clients for transparent to work anyway this is > not usually a problem. But can appear if you or the client is doing > anything fancy with DNS server configurations. > > NP: if 4.26.235.254 happens to be a local WSUS server you need to > configure your local DNS to pass that info on to Squid for the relevant > WSUS hosted domains. You will also benefit from Squid helping to enforce > that MS update traffic stays on-LAN. > > > Amos OK Thanks, this is the story.. I'm using a dedicated server has the DNS server (PowerDNS) that cache for a long time DNS records. After set the server to query ISP DNS, the issue is resolved. I think that this behavior should be met along this new version. Is there a way to disable this security checks feature ? Sometimes, in companies Proxy IT did not have rights to play with DNS servers