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HTTPS websites - working around for filtering

  • icarusbop
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25 Jun 2015 10:05 #1 by icarusbop
All:

I've spent many hours setting up my router with filters and multiple SSIDS, the end requirement being a separate wireless for the children, which is filtered to keep them away from adult or questionable material, I was quite happy with the results.
My wife broke it in 30 seconds, by doing a simple google search for illicit material.

I had focused on blocking known dodgy sites and building a keyword list, the problem is, google and many other websites now automatically switch to HTTPS mode, meaning the search string cannot be checked by the router as it is now encrypted, so the dodgy search string cannot be detected and blocked.
I assume the WCF will also suffer from this problem (I do intend to buy the service when everything else is set up).
My response to this was switch to another search engine (in my case DuckduckGo) which allow non-encrypted searches, this means the router can check the search string. To stop encrypted searches being made, I blocked all HTTPS sites, and voila - half the internet vanished! Because a lot of pages are going own the secure route (for better or worse...)

Is there a way to keep my HTTPS block in place, but allow specific HTTPS websites only through it? e.g. https://www.wikipedia.org/

Thanks

Ian

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25 Jun 2015 11:55 #2 by voodle
If you've got a 2860, you can fix that problem with google (just google, not the rest) by doing this:
http://www.draytek.co.uk/support/guides/kb-dns-safesearch

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  • icarusbop
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25 Jun 2015 16:48 #3 by icarusbop

Voodle wrote: If you've got a 2860, you can fix that problem with google (just google, not the rest) by doing this:
http://www.draytek.co.uk/support/guides/kb-dns-safesearch



Hello, thanks for the suggestion, it looked very promising but:

The google (v)ip address / URL for safe search does not seem to work anymore. They all seem to default to the standard search page, with safe search off.

The fix says it applies to the 2860, but only for firmware 3.8 upwards - there is currently no firmware of 3.8.x for the 2860 shown on the Draytek download page - so not sure what is going on there!

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