We have an issue with WAF on our Sophos UTM 9 (9.209-8)
We have WAF enabled for several internal websites. On one specific website, suddenly after logging in (Reverse Authentication), the images and CSS disappear. On this thread the same issue is mentioned: http://tinyurl.com/mjckbtl
AS4-2 reverseproxy: id="0299" srcip="*.*.*.*" localip="*.*.*.*" size="310" user="-" host="*.*.*.*" method="GET" statuscode="404" reason="-" extra="-" exceptions="-" time="275" url="/url/url.application/xsp/.ibmmodres/.css/css/font-awesome.min.css&custom.css&css/easyui.css&css/bootstrap.css" server="*.*.*.*" referer="http://*.*.*.*/url/application.nsf/" cookie="DomAuthSessId=3B64E1505F4E5BEBAE22B5ED89E0DAF3; SessionID=A90F8D4274F05686B062C37BD6299439E7A661E4;
I've been tuning with some settings en turning checks on and off, but as far as I can see all these checks do not invole WAF (correct me if I'm wrong). More important, these checks were never turned on bevore. I use them now for troubleshooting
The question is, how to solve this specific problem on our Sophos firewall?
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