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SSH
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02-13-2009 10:21 PM
02-13-2009 10:21 PM
SSH
SSH
I am trying to use PuTTY client to access one of HP servers, anyway the connection to the server has been made, but when the password entered it gave access denied !!!
I use root to login and I am sure 100% from the password...
does SSH required other than root's password? is there any file should be edit??
regards,
*see the attachment
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02-13-2009 11:17 PM
02-13-2009 11:17 PM
Re: SSH
Re: SSH
Change the line:
PermitRootLogin no
to:
PermitRootLogin yes
Then stop and restart SSH.
# /sbin/init.d/secsh stop
# /sbin/init.d/secsh start
You will then be allowed to ssh as root.
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02-13-2009 11:18 PM
02-13-2009 11:18 PM
Re: SSH
Re: SSH
You can always su to root, if needed.
Best of luck!!
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02-14-2009 12:00 AM
02-14-2009 12:00 AM
Re: SSH
Re: SSH
SSH ,
====
If you are using ssh, It could be security settings,
(Direct Login as root)is not allowed
You need first login as normal user and su to root)
Example:-
Login :- user1
Passord:- XXXXXXX
#su -
Password :- XXXX
Thanks,
Johnson
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02-14-2009 09:24 AM
02-14-2009 09:24 AM
Re: SSH
Re: SSH
I agree with Avinash and Johnson on the direct password authentication to root. That's a bad idea as passwords are single factor authentication and have inherent problems.
You can provide direct access to root securely through public key authentication (pka). This authentication mechanism is two factor authentication so it tends to be more secure than is one factor authentication.
Those factors are:
1. Something you know (passwords)
2. Something you have (secure ID token)
3. Something you are (biometrics)
PKA is two factor authentication because you have the private key counterpart to the public key and know the passphrase to it.
I've written a white paper on this topic for a couple of clients. I'll have to see about sanitizing it for general use and posting.
You can configure root authentication to allow pka only by setting
PermitRootLogin without-password
Hope that helps.
Doug O'Leary
------
Senior UNIX Admin
O'Leary Computers Inc
linkedin: http://www.linkedin.com/dkoleary
Resume: http://www.olearycomputers.com/resume.html
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