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Prevent refresh Spaming Web pages?


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#1 aperill

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Posted 15 May 2017 - 04:01 PM

Is there a way any one knows of to stop people from spamming refresh on web pages. I work for a school district that has schools in Detention centers and the like. So the kids tend to spam buttons on websites until the server or webfilter gives in on all the requests. We already have the F5 key blocked and auto refresh and the address bar turned off. Is there any way to stop this through something like GPO/ Our web filter is barracuda. I did google it but I can't seem to find what im looking for. mainly comes up with ways to write it in to web sites. 



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#2 dantose

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Posted 15 May 2017 - 09:25 PM

Barracuda allows traffic with repeated refreshes? Sounds like something isn't configured properly. Are you sure it's a repeated refresh issue? If so, check to see if the web filter controls all web traffic, or just one exit point. I'm thinking maybe a load balancer might be routing traffic around the filter.

 

FAKE EDIT: wait, I think I'm seeing the issue:

https://campus.barracuda.com/product/websecuritygateway/article/BWF/MonitoringTools/

 

By overloading the system, they are kicking it into a safe mode where traffic is not blocked or logged. Look for a setting by which traffic is dropped in an overloaded state maybe? You also might be able to throttle the bandwidth for the student computers. Not sure if that would help.



#3 aperill

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Posted 16 May 2017 - 10:00 AM

Dantose, I'm not sure but I will check it out. Thank you for that. I'll let you know if that works.






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