Hot!Preventing users from accessing proxy

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duser
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2017/11/06 00:52:50 (permalink) 5.4
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Preventing users from accessing proxy

Hello
I blocked access to proxy at all levels: Application, DNS, and web filter. But sometimes I find some users that were able to download many Gigabytes using proxy application as show in the screenshot (sent 981 MB/ received 6.68 GB).
What can I do to prevent that?  

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    hmtay_FTNT
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    Re: Preventing users from accessing proxy 2017/11/06 06:51:18 (permalink)
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    Hello duser,
     
    You need to set ISAKMP to Block. It will block all the IKE/IPsec connection which is commonly used by iOS VPNs. That log entry is a ISAKMP session. I will review the Peer2me signature. In any case, you have to set the ISAKMP signature to block. 
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