[tor-dev] Iran

George Kadianakis desnacked at riseup.net
Sun May 5 11:50:51 UTC 2013

Nima <nima at redteam.io> writes:

> George Kadianakis:
>> Nima <nima at redteam.io> writes:
>>> Iran is actively dropping connections to *any* unknown port right after
>>> *60secs*.
>>> Pluggable Transport successfully connects to Tor network, Although it
>>> can not make a circuit in many ISPs including "Mobin".
>> Ugh. This sucks.
>> What do you mean by "unknown port"? Which ports do they allow?
> Not sure yet. Mostly like they've whitelisted the known protocols.
> I didn't have a chance to login to my box yet :/

I see.

It would be interesting to learn which ports they currently whitelist,
except from the usual HTTP/HTTPS.

I also wonder if they just block based on TCP port, or whether they
also have DPI heuristics.

On the Tor side, it seems like we should start looking into #7875:

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