Does anyone have any idea on how I could evade my cell provider's block on 4chan?For context, this is not a DNS-level block but a proxy in the middle that intercepts unencrypted connections, and sends a block page if any Host header matching ```*.4chan

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Chud 05/21/24 (Tue) 09:43:51 №27841 [Quote]

Does anyone have any idea on how I could evade my cell provider's block on 4chan?

For context, this is not a DNS-level block but a proxy in the middle that intercepts unencrypted connections, and sends a block page if any Host header matching *.4chan.org is sent.

What I don't understand is how they're doing this to encrypted traffic too. If I test with a curl -vv https://sys.4chan.org then the TLS handshake fails:

* Connected to sys.4chan.org (104.19.142.99) port 443
* TLSv1.3 (IN), TLS alert, access denied (561):
* OpenSSL/3.2.1: error:0A000419:SSL routines::tlsv1 alert access denied

I can connect to other sites using the same Cloudflare IP just fine. So they must be somehow detecting that this is traffic to 4chan, despite the connection being encrypted.

Chud 05/21/24 (Tue) 11:02:46 №27842 [Quote]

are you using DNS over HTTPS?
if not then they can see the domain of the site, even if you're using HTTPS

Chud 05/21/24 (Tue) 13:24:29 №27844 [Quote]

I have dealt with this type of block in a certain country that I visited, if DoH/DoT doesn't work like >>27842 mentioned, then you should give up on it.

Chud 05/21/24 (Tue) 13:31:43 №27845 [Quote]

>>27842
I set some about:config options to force DoH and that worked. Thanks.

Chud 05/22/24 (Wed) 15:55:18 №27861 [Quote]

>>27841
DNS probably