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Network Security Secure-Shell
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Hostbased auth problem

from [Chris Bryant] Network Security [Permanent Link]
Subject: Hostbased auth problem
Date: Fri, 4 Nov 2005 08:51:58 -0600 
I have 3 hosts that I am trying to get hostbased authentication to work

Host A is a Tru64 5.1B OS running OpenSSH_4.2p1
Host B is a Redhat 9.0 OS running OpenSSH_3.5p1
Host C is a AIX 5.3 OS running OpenSSH_3.8.1p1

On all 3 servers in the sshd_config file HostbasedAuthentication is set
to yes and Ignore Rhosts is set to no.  On all 3 servers in the
ssh_config file HostbasedAuthentication is set to yes and
EnableSSHKeysign is set to yes.  All 3 servers have the same account
name and a .shosts file that has 600 permissions and is owned by the
specific user.  I can generate the key and I can use ssh-keyscan just
fine.

Host A can authenticate to Host B
Host B can authenticate to Host A

Host B can authenticate to Host C
Host C can authenticate to Host B

Host C can authenticate to Host A
However, Host A cannot authenticate to Host C.

Has anyone had this problem before of 2 different OS's running different
versions of OpenSSH not being able to authenticated via hostbased
authentication?

Thanks,

Chris
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