Re: can passwordless SSH work without DNS ?
From: Neil W Rickert (rickert+nn@cs.niu.edu)Date: 02/28/02
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- In reply to: Neil Zanella: "Re: can passwordless SSH work without DNS ?"
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From: Neil W Rickert <rickert+nn@cs.niu.edu> Date: 28 Feb 2002 20:09:11 GMT
nzanella@cs.mun.ca (Neil Zanella) writes:
>Neil W Rickert <rickert+nn@cs.niu.edu> wrote in message news:<a5jrp2$eah$1@husk.cso.niu.edu>...
>> nzanella@cs.mun.ca (Neil Zanella) writes:
>> >Thanks for your feedback.
>> >I tried placing the lines
>> >HostbasedAuthentication no
>> >RhostsRSAAuthentication no
>> >in my ~/.ssh/config file but that did not solve my problem.
>> >I think that perhaps the same lines must be configured on the
>> >server for this to work but I do not have root access to it.
>> >The error message I get when trying to connect is always:
>> >ssh_exchange_identification: Connection closed by remote host
>> One possibility is that the server is using tcp-wrappers
>> restrictions.
>I doubt that the server would be denying service to my computer in particular
>since the one next door with a similar IP and DNS connects fine via ssh.
An abrupt closing of the connection is a signature of tcp-wrappers.
If compiled in FASCIST mode (the default), it will do this if
gethostbyaddr() succeeds, but the gethostbyname() on the resulting
name does not match.
If it is not tcp-wrappers, I would expect a more gentle failure mode,
with more informative output from "ssh -v".
Best would be to examine the logs on the server.
- Previous message: those who know me have no need of my name: "Re: compiling and installing OpenSSH 3.0.2"
- In reply to: Neil Zanella: "Re: can passwordless SSH work without DNS ?"
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