Starting with the new browser bundle, I got an error with the the identities for the bridges. I'm working in a censored network, only meek was going well in the past. Now I got the following error:

27.10.2015 11:39:56.200 [NOTICE] Opening Socks listener on 
27.10.2015 11:40:00.000 [NOTICE] Bootstrapped 5%: Connecting to directory server 
27.10.2015 11:40:00.000 [NOTICE] Bootstrapped 10%: Finishing handshake with directory server 
27.10.2015 11:40:00.900 [WARN] Tried connecting to router at, but identity key was not as expected: wanted 4EE0CC769EB4B15A872F742EDE27D298A59DCADE but got 6DDD1DB8526282837C50E9AB5D14AB50150CD624. 
27.10.2015 11:40:00.900 [WARN] Problem bootstrapping. Stuck at 10%: Finishing handshake with directory server. (Unexpected identity in router certificate; IDENTITY; count 1; recommendation warn; host 4EE0CC769EB4B15A872F742EDE27D298A59DCADE at

I've already handled it by overwriting the identity key with the received in extension-overrides.js.

Are there any security doubts now?


This seems to be a changed configuration that the bridge operator would have done. It's unfortunate you had to deal with it, but there's a bug report about it (see https://trac.torproject.org/projects/tor/ticket/17473) and in your case no harm was done. Generally speaking, just updating whatever fingerprint you see is not a good idea, because it could mean that someone is impersonating your bridge and thus actively attacking you.

Newer versions of Tor Browser will have that change applied automatically.

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Same or something like this behaviour I've seen when I helped people from China to get through a censorship filter. Same logs I can periodically see here in Russia. It's a high probability of an active attacker or an ISP-wide filtership/censorship

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