Leon Fauster wrote:
Am 05.03.2018 um 13:04 schrieb Nicolas Kovacs <i...@microlinux.fr>:


Le 28/02/2018 à 22:23, Nicolas Kovacs a écrit :
So far, I've only been able to filter HTTP.

Do any of you do transparent HTTPS filtering ? Any suggestions,
advice, caveats, do's and don'ts ?

After a week of trial and error, transparent HTTPS filtering works
perfectly. I wrote a detailed blog article about it.

https://blog.microlinux.fr/squid-https-centos/


I wonder if this works with all https enabled sites? Chrome has
capabilities hardcoded to check google certificates. Certificate
Transparency, HTTP Public Key Pinning, CAA DNS are also supporting
the end node to identify MITM. I hope that such setup will be unpractical
in the near future.

About your legal requirements; Weighing is what courts daily do. So,
such requirements are not asking you to destroy the integrity and
confidentiality >95% of users activity. Blocking Routing, DNS, IPs,
Ports are the way to go.

And how do you get a list of IPs from which data could be retrieved
which the students are not supposed to see?

How is this done anyway, does the government give out a list of URLs
or IPs which you are required to block?  If not, what if you overlook
something?
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