Hello Martin,

It is possible to block requests going into Google image search with a couple 
of regexes directly in Squid – see for example the 
http://docs.diladele.com/faq/filtering/google_images.html. Please take into 
account the article talks about ICAP but it is also doable directly in Squid 
conf. But …

Google seem to quite often change the URL scheme for image searches so you must 
keep a close eye on it.

Given that image search is very popular in schools where puples prefer to 
search for images for their theses etc, it is still desirable to have the image 
search. So in this case:


-        Enforce safe search on google (not too restrictive but anyway)

-        And also enable the full text search for responses coming from image 
search. The responses from google are  usually quite descriptive – it contains 
not only images but also some surrounding text and it is possible to block in 
in ICAP.

Please note the thumbnail images themselves are inlined so image skin tone 
detection as in 
http://docs.diladele.com/administrator_guide_4_3/web_filter/policies/blocking_adult_content/image.html
 do not work.

P.S. MS says their bing hosts all adult images on different third level domains 
so it is much easier to block adult images in searches. But you know them :)

Best regards,
Rafael Akchurin
Diladele B.V.

From: squid-users [mailto:squid-users-boun...@lists.squid-cache.org] On Behalf 
Of Funke, Martin
Sent: Thursday, November 26, 2015 1:19 PM
To: 'squid mailinglist (squid-users@lists.squid-cache.org)' 
<squid-users@lists.squid-cache.org>
Subject: [squid-users] Block google pictures
Importance: High

Hello list,

is there a way to block the access to the google picture search?
https://www.google.de/imghp?hl=de&tab=wi&ei=4_dWVr_pIIi8sQGNnrfoDg&ved=0EKouCBMoAQ

best regards
Martin
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