Hi,
I've activated the web filtering in transparent mode on my UTM (now 9.352-6) a half year ago. Since then I realized that different websites take a long time to load sometimes. In this case the webbrowser shows "Waiting for answer...." and a white page. After 5-8 seconds the website comes up.
Today I did some research to find the cause of this problem.
It seems that the web proxy can't categorize single objects like scripts or pictures correctly during loading sometimes. The rest of the site is categorized normaly. When this happens, the single object is categorized as "Uncategorized" and the categorisation takes a long time. Here is an example from today of an picture of a website, which is mostly categorized correctly as "Forum/Bulletin Board", and sometimes as "Uncategorized":
Categorie "Forum/Bulletin Boards" - Normal loading
2016:01:15-12:53:34 jasnet httpproxy[5217]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="192.168.10.10" dstip="144.76.168.179" user="" ad_domain="" statuscode="200" cached="0" profile="REF_HttProContaLanNetwo2 (PC)" filteraction="REF_HttCffPc (PC)" size="562" request="0xab1f000" url="www.mazda-forum.info/.../sticky.gif" referer="" error="" authtime="0" dnstime="1" cattime="33652" avscantime="2683" fullreqtime="63720" device="0" auth="0" ua="Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0" exceptions="" category="159" reputation="unverified" categoryname="Forum/Bulletin Boards" content-type="image/gif"
Categorie "Uncategorized" - Slow loading
2016:01:15-12:22:47 jasnet httpproxy[5217]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="192.168.10.10" dstip="144.76.168.179" user="" ad_domain="" statuscode="200" cached="0" profile="REF_HttProContaLanNetwo2 (PC)" filteraction="REF_HttCffPc (PC)" size="562" request="0xa772000" url="www.mazda-forum.info/.../sticky.gif" referer="" error="" authtime="0" dnstime="1" cattime="6003436" avscantime="2422" fullreqtime="6028436" device="0" auth="0" ua="Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0" exceptions="" category="9998" reputation="unverified" categoryname="Uncategorized" content-type="image/gif"
As a test I added the domain mazda-forum.info to the allowed websites of the web filtering policy, but same problem here:
Allowed website - Slow loading
2016:01:15-12:44:12 jasnet httpproxy[5217]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="192.168.10.10" dstip="144.76.168.179" user="" ad_domain="" statuscode="200" cached="0" profile="REF_HttProContaLanNetwo2 (PC)" filteraction="REF_HttCffPc (PC)" size="562" request="0xe0c3a000" url="www.mazda-forum.info/.../sticky.gif" referer="" error="" authtime="0" dnstime="0" cattime="6003680" avscantime="2431" fullreqtime="6028730" device="0" auth="0" ua="Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0" exceptions="" content-type="image/gif"
Any idea?
Thank you
Jas
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