This page can’t be displayed - barracuda web filter

Has anyone come across this issue before:

This page can’t be displayed

Turn on TLS 1.0, TLS 1.1, and TLS 1.2 in Advanced settings and try connecting to https://10.51.10.25  again. If this error persists, contact your site administrator.

I've seen loads of threads on this but no solution is working for us, any ideas?

We are using IE11
Ian TaylorIT Infrastructure Architect .:|:.:|:.Asked:
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btanExec ConsultantCommented:
likely the site do not allow ssl2 and below, but I suspect if you enabled ("checked")  sslv3 (but it will give 'This website uses an insecure connection' warning) to see if can connect if ignoring the warning message.

Ideally, we should disable ("unchecked") both sslv2 and sslv3 "Advanced" option in browser due to weak cipher and enable the TLS family only. But not all site is ready. You can also try another browser like Chrome (follows IE option) / FF (its own option) to see if this recurs.

Careful also if you are running any proxy in browser e.g. fiddler that can intercept and "see" the SSL traffic send across by browser. It interfere the crypto transacted  http://blogs.msdn.com/b/ieinternals/archive/2011/03/25/misbehaving-https-servers-impair-tls-1.1-and-tls-1.2.aspx

you can try ssltest to see the assessment of the public Internet site (server - https://dev.ssllabs.com/ssltest/) and browser (https://www.ssllabs.com/ssltest/viewMyClient.html) support. The latter will flagged error on the crypto support accordingly
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