On Tuesday 25 May 2021 at 07:51:21, Albretch Mueller wrote:
> As part of a teaching and learning (TaL)/school software, I need squid:
>
> a) to detect one of the connected computers in an internal network
> comprising wirelessly connected and wired computers as the "master"
> (operated by the teacher);
>
> b) when that master reach out to an outside URL, the response should
> be replicated in that master's and all other internal computers; but
>
> c) responses to requests originating in the non master ("slave"?)
> ends, return to their corresponding ends;
>
> d) at times the master should be able to switch off that replicating
> feature;
>
> e) more than one or all computers should be able to play "master";
>
> f) all other "slave" should operate in a "transparent proxy" mode;
>
> g) on a single computer, someone could use different
> browsers/versions to do a-f ...
I've returned to your original question here, after discussing several points
already in some detail, and I can't help wondering - why are you trying to do
all this in browsers and web proxies, by manipulating network communications
in ways that were not indended?
Why not give the students a video conferencing / screen sharing application
such as MS Teams, Jitsi, Zoom, etc and then block them from accessing websites
during lessons?
They are required to use the screen sharing application in order to see what
the teacher is showing them during the lesson (are the days of video
projectors and intelligent whiteboards already over?), and they are not
allowed to play around on their own (are these devices their own personal
equipment, or are they supplied and managed by the school?) using the school's
networking resources.
That would seem to me to be a far simpler solution to your requirement,
assuming I have now correctly understood that you essentially want a teacher
to share their screen with the students, and for the students not to be able
to "wander off on their own" into the general Internet.
Antony.
--
Users don't know what they want until they see what they get.
Please reply to the list;
please *don't* CC me.
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