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Hey I installed localtunnel - http://progrium.com/localtunnel/ and I tried connect from my laptop using putty(I even unckecked attempt gssapi authentication) and I receive 

login as: hsf
hsf@4i67.localtunnel.com's password:
Access denied
hsf@4i67.localtunnel.com's password:
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Try logging as root user instead of hsf and see if the problem persists. – Evandro Silva Nov 7 '12 at 17:32
@Evandro Silva I tried and problem is the same. – user84471 Nov 7 '12 at 17:36
1  
In my work, usually, I just install ssh and then use putty as sudo. I never really used localtunnel. :( – Evandro Silva Nov 7 '12 at 17:39

1 Answer

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You'll need to authenticate with the SSH private key that corresponds to the public key that you used to set up your tunnel. The latter is explained in the instructions on [1], while the reasons for using public keys are explained in [2]. However I cannot find there which username to use along with your SSH key. To me [2] sounds like they are using only one user whose authorized_keys file contains all public keys. If so, it is unlikely that you can use e.g. your subdomain as the username. I tried looking it up for you (can probably be done with ps -o args -C ssh while localtunnel is running) but didn't get localtunnel to work on my machine quickly.

[1] http://progrium.com/localtunnel/

[2] http://www.twilio.com/engineering/2011/06/06/making-a-local-web-server-public-with-localtunnel

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