Need help bypassing website blocking

[PotatoWithaLaser]

Hello! 

I'm trying to have some fun bypassing some website blocking caused by the network admins at my school. Nothing malicious or anything, but I just want to figure out how to crack it on a school device. The first image is an example of what it looks like trying to access any "restricted" site. No access.

 

I did some of the normal middle school stuff first. Change https to http? nope. Open incognito? Nvm, incognito is disabled. Other browsers? Nope, basically the same issue across firefox, opera, IE, chrome, and chromium. Google translate trick? nada.

 

So I started having some fun. I have access to some low level admin info, so I was able to download VirtualBox, and installed linux mint. Set it all up, annnnnd, nope. All the restricted sites get this error 

NET::ERR_CERT_AUTHORITY_INVALID

Well shoot. Tried normal grade school stuff again, still nothing. Tried to disable HSTS via the chromium HSTS manager, deleted HSTS settings for facebook, restarted chromium, still nothing. 

 

Any ideas of how to bypass? I do not want to damage the network in any way (obviously), I just wanted to poke around and see if there are any holes. Not sure how they are restricting these sites, so I'd love to learn what method they're using. I am new to linux mint and networking still, so sorry if I'm being really stupid! 

 

Thanks! 

-Potato

Edited February 28, 2020 by PotatoWithaLaser
Added photo

[nutellathermalpaste]

Have you tried to use a different/admin profile or find a way to break that particulars code? 

(ps im new so sorry if this sounds stupid)

[PotatoWithaLaser]

Just now, nutellathermalpaste said:

Have you tried to use a different/admin profile or find a way to break that particulars code?

No different accounts work that I have access to. I only have the one low level admin profile, none of the teacher devices or even our on-site tech can easily bypass it with their profiles, or admin privileges. And I'm not sure how they are blocking the websites in particular, so no, I haven't found a way to break the code.

[LogicalDrm]

*** Thread locked ***

 

For reasons bolded

6 minutes ago, PotatoWithaLaser said:

Hello! 

I'm trying to have some fun bypassing some website blocking caused by the network admins at my school. Nothing malicious or anything, but I just want to figure out how to crack it on a school device. The first image is an example of what it looks like trying to access any "restricted" site. No access.

 

We have many network admins here, and I'm pretty sure you wouldn't want anyone poking your setup either.