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Host Not Found

Hi All, 

 

Whilst trying to access an internally hosted site, we get a host not found message from sophos, now some background:

 

We have Macs in the college, which are on a separate rule list from windows PC's due to the fact that they are not authenticated. 

The Macs are on a Web Filter Profile, which targets by VLAN, in transparent Proxy mode. 

I've added the internal address to the transparent skip list under destination and source, as a Host, as it is just one IP. I have also tried adding it as a DNS Host, with the FQDN. Neither have worked so far. 

Now, i thought, if the site is added to the skiplist, that its traffic shouldn't be captured by the proxy, but i still get a host not found warning from Sophos and it still appears in the weblog:

If there is any more information you need, please ask, i understand some of this might seem odd, with the different policies for Mac / Windows.

2017:06:29-11:00:00 sophos httpproxy[10795]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="***" dstip="" user="" group="" ad_domain="" statuscode="502" cached="0" profile="REF_HttProContaInterNetwo2 (Non-authenticated Corporate Macs)" filteraction="REF_HttCffMacNonAuth (Mac Non-authenticated)" size="85284" request="0xd9859000" url="http://***/ReportServer?%2fAttendance+Dashboard+proof%2fDashboard&rc:Toolbar=false" referer="" error="Host not found" authtime="0" dnstime="10026562" cattime="0" avscantime="0" fullreqtime="10028756" device="0" auth="0" ua="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36" exceptions="url" overridecategory="1" overridereputation="1"




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